Arduino wheatstone bridgepekerjaan

...an almost completed power electronics system for bidirectional power exchange of up to 8 kVA across all four quadrants. The system utilizes the IM828-XCC platform, with control achieved via galvanic isolation through the Arduino DUE. Your main tasks involve adding the ADuM1401 Digital Isolator for Arduino connection, connecting the motor and generator functionalities, integrating the iMOTION2go chipset, and creating the PCB design using KiCad. Project Tasks: ADuM1401 Digital Isolator Integration: Add the ADuM1401 Digital Isolator to ensure galvanic isolation for the Arduino DUE connection. Implement necessary connections and ensure compatibility with existing components. Motor and Generator Connection: Ensure seamless functionality of both motor and generator mode...

I need a talented developer to assist in integrating a motor with an ESP32 microcontroller. Here are the project specifics: - Actuator: Tinymovr Axion A1 - Communication Protocol: The ESP32 should communicate with the CAN bus us...integrating a motor with an ESP32 microcontroller. Here are the project specifics: - Actuator: Tinymovr Axion A1 - Communication Protocol: The ESP32 should communicate with the CAN bus using the CAN @ 1mbps - Toolset: I require the project to be developed using the Arduino using Arduino tinymovr library. The ideal candidate for this project will have a background in microcontroller programming, specifically with the ESP32, and demonstrable experience with motor control. Prior experience with the CAN FD protocol and the Arduino framework wi...

I am looking for a freelancer who is experienced in embedded code, specifically Arduino. I have a specific project in mind that requires the use of embedded code. Skills and Experience Required: - Proficiency in Arduino programming - Strong knowledge of embedded code development - Experience in working on projects involving Arduino and RS485 Modbus protocol Refer the datasheet attached if needed The purpose of the project is not specified.

I'm in need of an Arduino-based relay switch that can operate multiple circuits serially. The purpose of this project is to start lights in a serial fashion, using physical buttons. Key Requirements: - Build a reliable relay switch: The switch should be able to handle automation for up to 15 relays. - Physical Button Interface: The relay switch must be operable via physical buttons for a user-friendly experience - specially to set adjust time delay between the serial switching Ideal Skills: - Arduino Programming: Experience in programming Arduino to build relay switches. - Circuit Design: Proficiency in designing circuits for handling multiple appliances. - Remote Control Systems: Knowledge in implementing remote control systems for automated appliances. - User ...

I'm looking for a freelancer who is proficient in using the Proteus Design Suite for an intermediate-level simulation project involving an Arduino microcontroller. Key Requirements: - Proficiency with Proteus Design Suite: The ideal candidate should have prior experience in creating and executing simulations using this platform. - Intermediate-Level Microcontroller Simulation: The project involves simulating an Arduino microcontroller which requires a good grasp of microcontroller programming and circuits. - Attention to Detail: The successful freelancer will need to ensure high accuracy in the simulation results. - Timely Delivery: The project has a set timeline, which the freelancer should adhere to strictly.

For my recent short book about utilizing Arduino, I need proficient help with enhancing the aesthetics and formatting of the text. The ultimate goal is to turn my raw material into a print-ready layout while ensuring it matches my preference for a modern and clean style. Final format needs to be one that I can easily edit. Style reference: Makezine (make magazine) books or Hackspace magazine. Key tasks for this project: • Develop diverse page layouts to maintain reader engagement. • Incorporate placeholders for pictures to enrich the content visually. • Include placeholders for elements like flow diagrams and illustrations to support the text. Ideal candidate: An ideal candidate for this position will have considerable experience in book layout design, especi...

Description: I am seeking a skilled freelancer with experience in electronics, Motor Control through Pulse/Step & Direction, Arduino, and servomotors and their drivers to assist me in implementing the basic control for reliable operation. The primary focus will be on the electronics aspect of the project. The motor in question is a "T6 Series 750W AC Servo Motor" (see link: ) which is intended to be controlled using an Arduino Portenta H7. What I Require: - Development of an appropriate circuit diagram compatible with the motor driver and Arduino. - Selection of the required components. - Configuration settings including pulse widths, pulse formats, etc.

I am looking for a skilled developer to create a control app for a thermal camera. The app should be developed for the Windows platform based on supplied SDKs, but will need to communicate wirelessly via radio link, using Arduino. The premise is that we will be able to have camera control over a wireless link (end goal is to mount the camera on a drone). We need to control focus, image camera, video start/stop and some other functions. Hardware is based on Lattepanda Alpha (integrated Arduino processor). Windows 10 OS. Receiver is SBUS. More information on SDKs can be provided upon request. Due to the timeframe, we are looking for developers on same or similar timezone to UK.

I'm in need of an experienced Arduino developer to create a custom software for my industrial machine. The software should mainly focus on data logging and controlling the machine's sequences. Key Requirements: - The software must log the machine's operation data onto an SD card. This data should be easily accessible and able to be downloaded for further analysis. - The Arduino software needs to control the sequential operations of this industrial machine. This involves managing the input and output signals, and ensuring a timely and accurate execution of the machine's functions. Ideal Skills and Experience: - Proficient in developing Arduino software. Knowledge of both sensor data collection and actuator control is a plus. - Prior experience in p...

I am seeking a proficient tech freelancer with skills and experience in working with Nextion Intelligent series HMI and Arduino Nano in combination. The aim of this project is to create a calculation and display system, primarily based on timer measurements and pre-stored factors. Skills and Experience: - Strong understanding of Nextion HMI and Arduino Nano - Experience handling calculations and display systems Project Tasks: - Develop a system using Arduino Nano for accurate timing - Implement calculations based on timer measurements and stored factors - Display results on Nextion Intelligent series HMI This project does not involve processing of sensor data, business metrics. The focus is on timer measurements and stored factors to calculate, display and stor...

The project consists of the design of number 2 PCBs. The first PCB named A is a breakout board for Arduino Mega and Giga, with a maximum size of 140x120 mm. The second PCB named B is a small board and it connects to PCB A with a flat cable, the size is not defined. In the PCBs there are JST HX - 2.54 or standard pin connectors, mosfets for power outputs, two A4988 modules to control 2 stepper motors and two DRV8833 modules to control 4 DC motors, there is also a 1W LED controlled by one of mosfets. The motor modules and mosfets must be equipped with jumpers to select the 5 or 12 volt power supply. Not all mosfets need to be controlled by pwm pins. All digital inputs must include a 10k ohm resistor, but with the possibility of excluding it. There are also digital and analog inputs, ...

I'm in need of a professional to help me design and write firmware for a hoverboard. I want to write hack frimware and allow me to control from arduino or controler i need help using team view / remote control

Sure! Here's some information you can use to explain your project: --- Our project aims to bridge cultures through translation services offered in five languages: English, Spanish, Italian, Portuguese, and French. We believe that effective communication is the key to fostering understanding and collaboration across diverse linguistic backgrounds. Our team of skilled translators is dedicated to ensuring accurate and culturally sensitive translations that preserve the essence of the original message. Whether you're a business expanding globally, an organization reaching out to diverse communities, or an individual seeking to connect with people from different cultures, our services can help you break down language barriers and build meaningful connections. Join us in build...

...Responsibilities: - Design a hybrid cloud based high-level architecture for a ERP - Ensure primary function is focused on data management - Implement the project using Python specifically Django Ideal Skills and Experience: - Proficiency in Python_ Django - Expertise in designing architectures - Strong background in databased and business logic. I'm looking for a freelancer who can efficiently bridge the gap between my project needs and technical implementations. Demonstrated experience in a similar role would be a definite advantage....

...Can you give me some good project ideas? A: Making a wrapper around our API for your favorite language is always a good idea, especially if your favorite language is not at the top of the mainstream language list. Mobile weather apps can be interesting, especially if you plan on continuing development beyond this project. Simple embedded projects on platforms such as Raspberry Pi or Arduino are also fun. Visualizations are nice either on a webpage or in a language such as R. Finally, any project with AI in the description is almost certain to be selected. • Q: How many projects will you accept in total? A: We plan to accept as many reasonable submissions as we receive up to 100 total. What else should I know? • Do not submit a bid for any amount o...

I'm looking for a skilled songwriter who can write engaging and catchy lyrics for children's musicals in Spanish. Key Requirements: - Proficiency in Spanish language - Experience in writing lyrics for children's songs - Understanding of musical structure and writing for a young audience (verse, verse, chorus, verse, chorus, bridge, bridge, chorus, chorus) (ryme ABAB) Please include an example of your past work in your application.

I'm in need of a competent developer who can integrate a robust multi-account or API management feature into our that I can manage multiple TRADING accounts simultaneously. ALSO trading window with bracket order and unlimited qty buy sell. Api Bridge tradingview with diff indian broker option. Ideal Skills: - Proficiency in API management - Previous experience in developing multi-account systems - High level of attention to detail - Good knowledge of Windows and Mac systems - Ability to deliver low-latency solutions

I'm in need of a competent python developer with experience in algorithmic trading. The project involves developing a specific algo trading strategy for the Indian market focusing on options trading within a quick turnaround time and intergration with API BRIDGE for broker side execution. facility for paper trading is also needed. Key requirements: - Prior experience with algo trading in Python, ideally in options - Understanding of the Indian market's specificities - Ability to deliver promptly It's essential that you can develop a robust and reliable strategy and have the capacity to implement it quickly. Please share any relevant experience you have with algo trading, specifically with options, in your proposal. actual stratergy will be discussed and shared i...

Seeking a professional with extensive knowledge in Arduino programming for creating a firmware for STM chips in stm32duino or superior, optimized for ESP32, aimed at reading data from NFC tags. The perfect candidate should display: - Proficiency in Arduino - Familiarity with ST25R3911 NFC chipsets and NFC tag operations - Previous experience programming firmware for STM chips - Understanding of data reading process Your responsibility will be to design, develop and test the firmware ensuring the functionality of reading data from NFC tags is seamless and efficient.

I’m in the process of creating a robotic arm for plucking tomatoes using six servo motors. I need help in writing the arduino code. Your code will command the robot to perform the following actions: - Rotation of the waist - Shoulder movement - Elbow bending - Wrist rotation - Gripping objects - Detection of red color With the red color detection, the gripper should open up and proceed with the tomato plucking. The kinetic architecture of this robot should be inverse, and the links I'm using for shoulder, elbow, and wrist are 18cm, 12cm, and 8cm respectively. The color sensor model is tcs3200. Once the tomato is held by the gripper, a stroke should be initiated to pluck the tomato. Interested freelancers should share past work of similar projects. Knowledge of robus...

I am looking for a software professional who can create a bridge software between my IoT device driver and Reactive Native App. The ideal candidate will have extensive experience in Android (Java/Kotlin) and iOS (Objective-C and Swift) and, importantly a sound understanding of Reactive Native App. - Main Function: The core purpose of this software is to facilitate communication between the IoT device driver (Java/Kotlin) and Reactive Native App. - Required Capabilities: The software should be capable of device interaction, more specifically device control. - Device pairing, data synchronization are important, but the primary focus should be on device control functionality. Skills Needed: - Experience in developing software for IoT devices - Proficiency in Android (Java/Kotlin),...

...Ranking on Google. ✔ Result Oriented work ✔ Provide Guaranteed improvements ✔ Customer support after completion of the project ✔ Transparency and Performance Monitoring) Upmost, the unique feature that should be added is a comprehensive School Information System (SIS) to manage different facets of our educational establishment digitally. That will underpin the whole functionality of the website and bridge the gap between the school administration, educators, students, and parents. Ideal candidates for this project should have extensive experience in corporate website development, client-server architecture, real-time chat functionality, and most importantly, previous work on similar or related educational platforms or systems. Proficiency in languages like HTML, CSS, JavaScript...

I'm on the lookout for a seasoned professional with profound knowledge and experience with Arduino and motor control. Ideally, you should have: - Extensive experience with Arduino programming. - Understand how to code for servo motor control. - Significant background with sensor data collection and device communication. Specifically, your task is to develop an Arduino code to control a single servo motor. Your main role will be programming the Arduino to control the actuator and to communicate appropriately with the device. Proven experience in similar projects will be highly appreciated but is not mandatory. Extra points for creative problem-solving and the ability to work independently.

I need a skilled programmer to write Arduino code that accomplishes the following tasks: - Ability to control LEDs. - Command a Servo Motor to make randomized movements. - The code should allow for control over motors and other actuators. Ideal experience for this project would include proficiency in Arduino coding and electronics, with a particular focus on controlling servo motors and LEDs. Understanding of random movement patterns is a bonus. I rely on your expertise for effective and efficient control of these components.

I have some controller project, working project with Teensy 4.0 and Arduino's program. Now I need update this project for additional canbus data (two IDs): reading actual shifter position (one ID) and send data to other units (another one ID).

For my scaffold building company, I'm seeking a talented graphic designer... Phone number 07927177322 Address 250 Blairtummock road G33 4ED unit 6 Here are industries which we supply our scaffolding services too **Common Services:** - Painting and Decorating - Window Installation and Repair - Roofing and Roughcasting - Stonemasonry - Solar Panel Installation - Facade Cleaning - Signage and Banner Installation - Film and TV Production - Event and Stage Construction - Bridge Construction and Maintenance - Industrial Maintenance **Specialized Services:** - Suspended Scaffolding - Temporary Roofs - Lifting Frames - Shoring - Access Towers - Birdcage Scaffold - System Scaffolding - Confined Space Access - Heritage and Conservation Projects - Temporary Staircases - Chimney Repair ...

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

I'm seeking a highly skilled mobile application developer to build a ride-sharing app for both iOS and Android platforms. This app will aim to bridge the gap between drivers and passengers for intercity commuting. Key Features: User-Friendly Interface: IntercityRide offers an intuitive interface facilitating effortless ride booking and offering. Users can easily browse available journeys, view driver profiles, and book seats with just a few taps. Real-Time GPS Tracking: With our advanced GPS tracking feature, passengers can track the real-time location of their driver throughout the journey. This ensures transparency and provides peace of mind, especially for passengers traveling alone. Secure Payment System: IntercityRide incorporates a secure payment system for seamless t...

...to rotate its jet part. - Speaking: While I didn't specify the exact method for the voice feature, it's open for creative ideas. - Jet Movement: The rotating jet part should be controlled by an Arduino and motor. It should move smoothly and in a controlled manner. - Limit Mouth and Eye Mechanism: The robot should have a limit mouth mechanism and limit eye. It's important these parts move in a precise and controlled manner. - 3D Printing: The internal structure of the robot is expected to be 3D printed. Skills and Experience: - Proficiency in mechatronics and animatronics. - Experience in Arduino programming and robotics. - Strong understanding of 3D printing. - Creative problem-solving skills for animatronic design. Collaboration and Communication: - It&#...

We urgently need a skilled API integrator to bridge the communication between our texting software, Esendex & Dash Notify, our CRM, Monday, and our LOS, LendingPad. Tasks: - Link Esendex & Dash Notify to Monday - Integrate Monday with LendingPad Skills and Experience: - Solid experience in API implementation - Familiarity with Esendex & Dash Notify texting software - Proficient in working with the Monday CRM - Experience with LendingPad LOS - Excellent analytical and problem-solving ability - Accurate and detail-oriented execution This is a high-priority project and we are looking for accurate, efficient execution. Hands-on experience with the aforementioned systems is preferred.

...an Arduino based controller however implementation is open to improvements so long as requirements are met. - The basic concept could potentially become a commercial product however I need one to destroy approximately 10,000 cans soon. We could discuss further commercialization of the result if our device works well. - you must be located in the Calgary area and be at least 18 years of age so that you can work with testing filled beer cans at our brewery. No, don't even ask, you cannot volunteer to empty them manually!! If you are not in the Calgary Alberta, Canada area, please do not respond. The ideal candidate for this project would be someone with experience in designing and building similar machinery. You should have a good understanding of mechatronics, pneumat...

The problem: The solonoid valve does not turn off. The voltage on mosfet module output goes from 4.2 V to 4.8 V when motion is detected. It does not goes to 0V and thereby closes the valve. What have i done wrong? I have a simple setup: - Pir sensor AM312 - Nodemcu /ESP (powered by usb) - Mosfet module IRF520 - Solonoid valve 4.5V - External power supply connected to Mosfet 5V, 1A I'm using the following code: const int pirPin = D5; // PIR sensor pin const int mosfetPin = D6; // Connect to the IN/Input terminal on the MOSFET module void setup() { (115200); pinMode(pirPin, INPUT); pinMode(mosfetPin, OUTPUT); ("PIR Motion Sensor with Solenoid Valve Control"); } void loop() { int motionDetected = digitalRead(pirPin); if (motionDetected == HIGH) { (&...

I'm seeking to revolutionize the way we interact with desktop applications by integrating browser-based control into a popular messaging ap...invisibility and remote operability. - **Communication API Integration:** Experienced in integrating and managing APIs for messaging and voice call functionalities. - **UI/UX Design:** Ability to design intuitive and user-friendly web interfaces that simplify complex actions. This project is not just about hiding a desktop application and controlling it remotely; it's about creating a seamless bridge between the convenience of web apps and the robust features of desktop applications. If you're someone who enjoys pushing the boundaries of what's possible with desktop and web application integration, I'd love to dis...

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

I'm in need of a skilled PCB designer who can create a single layer PCB for use in medium-sized consumer electronics. i need to put together a pcb design to include 4x 8x8 led matrix with display driver and a arduino. Requirements: - Design a single layer PCB - Suitable for consumer electronics - Dimensions between 5 cm and 10 cm Ideal Skills: - Experience in single layer PCB design - Proficiency in consumer electronics' PCB requirements - Ability to work within specific size constraints

I'm in need of a skilled mobile app designer who can redesign an existing android app and also make for IOS. there will be two versions (android / Ios) EDITED: this project is not only to change the color or the images to the current app. you need to know about programation in arduino, bluetooth and android ,, because this app will manage a lock using the smartphone. I send you the current android app in order that you could understand and know how the buttons work please do not offer your job if you can not open the current job and see how it works Key Requirements: - The design modifications primarily focus on be friendly and easy to use - For the user interface, I'm looking to make changes to the color scheme, font styles, and the overall layout. - In terms of ...

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

...streamline communication by integrating it with our existing cloud call center software as a service (SaaS). Our goal is to enhance customer support and engagement by incorporating multiple communication channels into a single, unified interface. **Key Integrations:** - **Messaging Platforms:** WhatsApp, Facebook Messenger, email, and SMS. Additionally, PBX system integration is required to bridge our voice call capabilities with digital communication channels. - **Features:** Essential features we're looking for include: - **File Sharing:** Ability to share documents, images, and videos across all channels. - **Chat History:** Seamless access to previous conversations for context and continuity in customer support. - **Chatbot Integration:** Capability to inte...

I have Arduino code and a svc model and I’m using a application called Blynk for visualization I want to send the reading of the moisture sensor to the svc model as an input for prediction and send the prediction back to the Blynk or Arduino so if the output is 0 it stop watering and if its 1 it start watering

I have Arduino code and a svc model and I’m using a application called Blynk for visualization I want to send the reading of the moisture sensor to the svc model as an input for prediction and send the prediction back to the Blynk or Arduino so if the output is 0 it stop watering and if its 1 it start watering

Setup: 6 amp Stepper Motor With External Micro Controller. Two Buttons (switches) Desired Action: Press and release button #1 motor CW, accelerates and travels to an assigned location, decelerating to a stop. Pressing this button a second time will stop the motor. Press and release button #2 motor CCW, accelerates and travels to an assigned location, decelerating to a stop. Pressing this button a second time will stop the motor.

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

I am seeking bridge design experts to present a functional geometric bridge proposal. The primary purpose of the project is functionality over aesthetics. This bridge should be designed specifically for vehicular traffic, and it's crucial it accommodates both light vehicles like cars and motorbikes as well as heavy vehicles such as trucks and buses. The proposed design should factor in strength, durability, and traffic flow for effective usage. Ideal Skills: - Degree in Civil or Structural Engineering - Experience in bridge design and functionality - Knowledge in geometric designs - Proficient in design software - Understands load calculations for different vehicle types. Views of the three-dimensional model of the proposal that includes all structural ...

More details: What type of communication method would you like the smart watch kit to use? GSM Do you want to send only text messages or multimedia messages as well to the smart watch? Only text messages What type of phone will you be sending messages from to the smartwatch? iPhone All I require is a code which enables me to send messages from my iphone 11 onto this Arduino board.

I'm in need of a Java expert who is proficient in implementing design patterns, specifically creational, structural, and behavioral ones. Key Requirements: - Implement all Creational design patterns (Singleton, Factory, Builder) - Implement all Structural design patterns (Adapter, Bridge, Decorator) - Utilize Behavioral design patterns effectively Ideal Skills: - Proficiency in Java - Strong understanding of Creational, Structural, and Behavioral design patterns - Experience in implementing design patterns in Java - Good problem-solving skills If you have a solid understanding of these design patterns and can effectively apply them in Java, I'd be happy to hear from you. Please provide examples of your previous work in this area. Note : Min price will be considered

I am currently a Master's student of Professional Accounting, aspiring to work with a large, reputable company after graduation, ideally within Australia. To bridge the gap between academia and industry, I am seeking freelance opportunities that will allow me to apply my academic knowledge to real-world accounting projects and build a professional portfolio that stands out to big companies. To achieve this, I'm looking for experienced freelancers who can guide me in the following areas: - Identifying freelance opportunities that match my skill level and academic schedule. - Mentoring on practical accounting tasks, industry-standard software, and effective work strategies. - Networking with professionals and companies in the accounting and tech sectors. - Advancing my unde...

I'm in need of an Arduino ESP32 BLE Beacon that can help me locate my position. Its key function will be to triangulate its position based on three central beacons in an indoor environment. Key Requirements: - The main goal of this project is to create a beacon that allows me to know my position inside indoor spaces, such as offices and warehouses. - The system should be designed to provide a medium level of precision in position tracking, with an accuracy of up to 5 meters. Ideal Skills and Experience: - Proficiency in Arduino and ESP32, with a strong understanding of BLE (Bluetooth Low Energy) protocols. - Prior experience in designing and developing beacon systems for positioning. - A solid understanding of indoor positioning systems and the challenges they may p...

...ready, into an existing C++ codebase designed for ESP32 arduino. Here is the specifics: - Integrate user authentication functionality, file input/output, and error handling into the previous codebase. - Implement RTCM messages code for real-time positioning corrections, data integrity checks, and network communication. The successful candidate will ideally have the following skills and experience: - Proficiency in C++ programming, including libraries and message coding. - Extensive understanding of RTK library and RTCM messages. - Experience with ESP32 Arduino. - Strong troubleshooting and problem-solving abilities. The original code is completed. All you need to do is adjust and ensure its seamless operation with the ESP32 Arduino code. Your work is vital in e...

Estou desenvolvendo um projeto com a seguinte proposta: fazer a medição e análise de vibração de um motor. Características: estou utilizando um sensor MPU6050 para fazer a medição analógica da vibração. Esse componente é um acelerômetro e consegue medir a aceleração nos eixos X, Y e Z. Estou usando uma ESP32 para fazer o processamento e fazendo a programação dele através do Arduino IDE. Preciso que o MPU6050 faça a medição nos três eixos e com base nos valores coletados, o programa consiga aplicar a Transformada Rápida de Fourier (FFT) desses dados, convertendo os valores do domínio do tempo para o da frequência, ...

Talobeeg Foundation would like to to respond to IOM's call for proposals and need a skilled proposal writer to create a comprehensive and technical document for our Community Mobilization through Mobile Technologies in Somalia within the Somalia context. Focusing on youth and community engagement, this proposal will serve to bridge the gap between digital technologies and social development. Key Responsibilities: - Create an in-depth proposal with a focus on the integration of mobile applications, crowdfunding, and gaming into our initiative. - Address the importance of education and training programs and the use of social media and online platforms for awareness campaigns in driving youth and community engagement. SCOPE OF CONSULTING SERVICES REQUESTED: 1. Crowdfunding p...