
CH32X035 USB PD Tester
by wagiminator
USB Power Delivery Testing Device and Variable Power Supply

by wagiminator
USB Power Delivery Testing Device and Variable Power Supply

by Fescron
20 pin SWD/JTAG J-Link to 10 pin (0.1" and 0.05") reconfigurable Cortex-M header with power supply and TagConnect compatibility, as well as with a reset button. (Info about about J-Link Commander and Segger RTT is also given.)

by AzidoPP
2200V 200mA 400W High voltage power supply
by 8n1
ESP-07 & ESP-12(E) Breakout Adapters with different voltage regulators and features

by M4a1x
TPS5430 based DC-DC Buck Converter Module with parts from JLCPCB

by valerionew
A dock for Onion omega, omega2 and omega2+. It features: Microusb for power supply, USB host, Ethernet
by YousifAhmedAbdEl-Fattah
The aim of this project is to design and implement an Irreversible Boost Converter as an educational model for understanding the core principles of asynchronous (non-isolated)

by mohamedboubaker
A Custom STM32 board that runs on a battery with MCP73831 and is easily programmable with USB thanks to the CP2102 USB-to-UART chip.

by MehverOSHW
长城ERP2U700电源改全模组。| Modify power supply GW-ERP2U700 to full module.

by tor1kk
Battery Management System (BMS) with Buck-Boost Converter
by ExTc-aShiSh
PCB designed in KiCad — a 230V AC to 12V DC rectifier with filtering and LED indicator. Includes schematic and PCB layout files.

by BEEMB
Tiny 24x34mm PCB combining BQ24075 charger + PAM2401 boost converter. Production-ready design with USB-C input, status LEDs, and JLCPCB-optimized files. Learn from my output contention debugging journey!