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Category Archives: PCB Design and Layout

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Bidirectional 48-24 V Converter Design

MATLAB, Microcontroller, PCB Design and Layout, Prototyping, Simulation January 22, 2026
I already have a working MATLAB model of a 48 V ↔ 24 V bidirectional DC-DC converter and now need to turn that simulation into real-world hardware and firmware. Here is what I need from you: • Component… (Budget: $30 – $250 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, MATLAB, Microcontroller, PCB Design and Layout, Prototyping, Simulation)

End-to-End Wearable Device Development

Mobile App Development, PCB Design and Layout January 20, 2026
I’m creating a wrist-mounted wearable that unifies fitness tracking and health monitoring, and I need the full stack—both software and hardware—taken from concept to working prototype. On the software… (Budget: $250 – $750 USD, Jobs: Electronics, Mobile App Development, PCB Design and Layout)

Compact ESP32-C6 IoT PCB-V1

Microcontroller, PCB Design and Layout, PCB Layout, Prototyping January 19, 2026
The objective of this project is to design Kicad general-purpose IoT controller based on the ESP32-C6-WROOM-1U. The board is intended for external environmental mounting and requires specific design considerations for humidity resistance and high-voltage safety… (Budget: $30 – $250 USD, Jobs: Microcontroller, PCB Design and Layout, PCB Layout, Prototyping)

Secure 868 MHz RF Beacon PCB

PCB Design and Layout, PCB Layout, Prototyping, Signal Processing January 12, 2026
I need a compact, low-power RF beacon designed around the 868 MHz band for location tracking of assets that move between indoor and outdoor areas. The board must incorporate hardware-based AES encryption… (Budget: £10 – £20 GBP, Jobs: Antenna Design, Asset Management, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Design and Layout, PCB Layout, Prototyping, Signal Processing)

Secure 868 MHz RF Beacon PCB

PCB Design and Layout, PCB Layout, Prototyping, Signal Processing January 11, 2026
I need a compact, low-power RF beacon designed around the 868 MHz band for location tracking of assets that move between indoor and outdoor areas. The board must incorporate hardware-based AES encryption… (Budget: £10 – £20 GBP, Jobs: Antenna Design, Asset Management, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Design and Layout, PCB Layout, Prototyping, Signal Processing)

Mixed-Signal Signal-Processing Circuit Design

Microcontroller, PCB Design and Layout, PCB Layout, Signal Processing January 9, 2026
I have a signal-processing task that calls for a mixed-signal approach: an analog front-end to condition the incoming signals and a microcontroller-based digital section to execute real-time algorithms and manage I/O… (Budget: ₹1500 – ₹12500 INR, Jobs: Analog Electronics, C Programming, Electrical Engineering, Electronics, Microcontroller, PCB Design and Layout, PCB Layout, Signal Processing)

Steam Bath Controller Programming

Microcontroller, PCB Design and Layout, PCB Layout, Raspberry Pi January 4, 2026
I need a compact control circuit for a steam-bath machine and I want it fully programmed and ready to drop into the enclosure. The heart of the job is reliable temperature management: the board must read… (Budget: ₹1500 – ₹12500 INR, Jobs: Arduino, Circuit Design, Electronics, Embedded Systems, Microcontroller, PCB Design and Layout, PCB Layout, Raspberry Pi)

Electronics Design Modification for Super Capacitor – 16/12/2025 21:35 EST

PCB Design and Layout, PCB Layout, Product Design, Renewable Energy Design December 17, 2025
I’m looking for an experienced electronics designer to modify my existing design. Requirements: Solar powered ultra low power – Change the battery type to a super capacitor. – Potential adjustments to the power regulation circuit… (Budget: $250 – $750 CAD, Jobs: Analog Electronics, Circuit Board Layout, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Design and Layout, PCB Layout, Product Design, Renewable Energy Design)

Electronics Design Modification for Super Capacitor – 16/12/2025 21:35 EST

PCB Design and Layout, PCB Layout, Product Design, Renewable Energy Design December 17, 2025
I’m looking for an experienced electronics designer to modify my existing design. Requirements: Solar powered ultra low power – Change the battery type to a super capacitor. – Potential adjustments to the power regulation circuit… (Budget: $250 – $750 CAD, Jobs: Analog Electronics, Circuit Board Layout, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Design and Layout, PCB Layout, Product Design, Renewable Energy Design)

Custom ESP32 PCB Gerber

Microcontroller, PCB Design and Layout, PCB Layout, Prototyping, Schematic Review, Signal Processing December 15, 2025
I’ve been developing on the ESP32-WROOM-32 and now need a custom board so I can move my prototype off the breadboard. The board should have ESP32, EM18, RTC, Camera, Buzzer and SD Card. I will use the gerber to get PCBA from JLCPCB or some other vendor… (Budget: $10 – $30 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, PCB Design and Layout, PCB Layout, Prototyping, Schematic Review, Signal Processing)

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