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Review my PCB design - a audio shield for a ESP32 dev board

Hi,

i have created a shield for a ESP32 dev board and before i send it to production i would like to get a second opinion on it.

It is a audio recorder with a LiFePo4 MPPT solar charger for a 6V panel. So noise should be considered even though a digital microphone (I2S) will be used.

Here is a link to the design:

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Kemahiran: Susun Atur PCB, Kejuruteraan Elektrik, Mikropengawal, Reka Bentuk Litar, Arduino

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Tentang Majikan:
( 7 ulasan ) Schoellnach, Germany

ID Projek: #31852599

14 pekerja bebas membida secara purata $49 untuk pekerjaan ini

(154 Ulasan)
7.0
(83 Ulasan)
5.7
hayat38402

We are a team of Electrical and Electronics engineers, we have successfully completed 1000+ Projects for multiple regular clients from OMAN, UK, USA, Australia, Canada, France, Germany, Lebanon and many other countries Lagi

$250 USD dalam 7 hari
(51 Ulasan)
5.9
etalhak

Hallo, I am an electronics and telecommunication engineer and I am quite experienced with hardware and embedded systems' design. So far I have designed many PCBs and I am experienced with EMI hence I am quite sure that Lagi

$50 USD dalam 7 hari
(34 Ulasan)
5.2
Sajid427628

Hello Dear Sir, I am Electronic Engineer. Experienced in field of Embedded System Design and Develompent. Main Area of Interests Are Home Automation,Industrial Automation,IOT System Design,Embedded System Design,Altium Lagi

$25 USD dalam 7 hari
(14 Ulasan)
4.3
RachelBenita

Hello, thank you for your job posting. I have 5 years experience in PCB and circuit design and Manufacturing, Embedded programming, and i can help you with any kind of request in these fields. I will do my best to sati Lagi

$25 USD dalam 2 hari
(5 Ulasan)
4.3
lydialin2000

A ) I have over 20 years of experience in PCB Layout, HW, RF, EMI, FW, PSpice … etc. We can complete various design and layout requirements and Android / iOS app development. # 8051 MCU / ARM Embedded system / Ardui Lagi

$30 USD dalam 7 hari
(6 Ulasan)
4.0
Safeer143

Hello. We are a company of mechatronics, electrical, computer and software engineers with vast expertise in PCB layout. our main area of interest are embedded systems, AC/DC converters, stepper motors, transformers, ma Lagi

$25 USD dalam 7 hari
(8 Ulasan)
4.0
dominicnzioka197

HELLO DEAR EMPLOYER, First receive warm greetings, and hoping you are good, i welcome you to TOP GRADE SERVICES LTD, the home of Amazing services and quality. EXPERT IN NAMED SKILLS, OVER 18 YEARS OF EXPERIENCE, After Lagi

$30 USD dalam sehari
(7 Ulasan)
3.6
pilpanikoba

Hello How are you? Thanks for your posting job. I have read your project requirements and I am 100% sure I can complete your project perfectly. ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ ⭐ I have 15 years experience in Circuit & PC Lagi

$30 USD dalam sehari
(3 Ulasan)
3.4
Sheryar26

Hello, I am an electronics engineer with extensive experience in hardware and firmware design for microcontroller-based systems and IoT devices. I have developed many products, and some of those are following. 1: Tan Lagi

$25 USD dalam 7 hari
(1 Ulasan)
3.4
engihearttechno

Hello, I have 10+ years of Embedded product design with multiple domains like a consumer, industrial, automotive, IOT and wearable product. -Hardware architecture design using MCU, controller, and FPGA, as well as low Lagi

$25 USD dalam 7 hari
(1 Ulasan)
1.6
AlexandrGergel

Hello! I just read your job description and confirm I can provide your some help to you because I have already developed lots of Li-ion and lithium phosphate battery management system. I'd like to start the project by Lagi

$20 USD dalam sehari
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mulfycrowh

Hi, I can help on this. I can tell you missed some parts on the schematic. Why did you already make the design before having the schematic checked? Regards, Michel

$100 USD dalam 7 hari
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