Security Alarm and Relay Circuit

$30-250 USD

Open

Posted less than 20 seconds ago

•

Ends in 6 days

$30-250 USD

Paid on delivery

I need a small security alarm and relay circuit. The circuit will be used with a door sensor to enhance security. Key Requirements: - Integrate a door sensor - Provide both sound and light alerts Ideal Skills and Experience: - Experience in circuit design and electronics - Knowledge of alarm systems - Proficiency with sensors and relays

Embedded Systems

PCB Design and Layout

Electrical Engineering

Project ID: 39736614

About the project

Open for bidding

Remote project

Active 56 yrs ago

Place your bid

Bid amount

$

USD

Email address

Benefits of bidding on Freelancer

Set your budget and timeframe

Get paid for your work

Outline your proposal

It's free to sign up and bid on jobs

Post a project like this

About the client

Flag of UNITED STATES

Fort Mill, United States

0.0

0

Member since Aug 27, 2025

Client Verification

Similar jobs

Industrial Structural Engineering Services

$250-750 USD

Cost-Effective brick machine design

₹12500-37500 INR

Modbus Setup for Electricity Meter

$50-75 USD

Custom CM5 Media Streaming Carrier

$250-750 CAD

PCB soldering or Electronics repair – Circuit Repair Specialist (South Florida)

$15-25 USD / hour

PCB soldering or Electronics repair – Circuit Repair Specialist (South Florida)

$15-25 USD / hour

Neurostimulation Electrode Design Consultant Needed

min $50 USD / hour

Pharmaceutical Factory HVAC Specialist Needed

₹1500-12500 INR

Natural Resource Development Support

$25-50 USD / hour

Retail Store Floor Plans

$750-1500 USD

Autonomous Scooter & Car(vehicles) Wiring & Circuits -- 2

₹100-400 INR / hour

Engineering Specification Template Enhancement

$30-250 CAD

Electronic Circuit for Laser Detection

$30-250 USD

Proton Precession Magnetometer Circuit Design

$30-250 CAD

Custom IoT Microcontroller Firmware Programming

₹750-1250 INR / hour

Chain Link Fence Foundation Design -- 2

$30-250 USD

Low-Power 3-Phase BLDC Driver

₹12500-37500 INR

Underground HDPE Pipeline for Gas Distribution

₹150000-250000 INR

Custom 12V Electric Hoist Design

$250-750 USD

Pipe System Thermal Stress Analysis

$30-250 USD

Post a project like this