Power & batteries
CH32X035 USB PD Tester
by wagiminator
USB Power Delivery Testing Device and Variable Power Supply
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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 butchwarns
A linear adjustable power supply for modular synthesizers in the Eurorack format. It's easy to build and outputs more than 1A at +12V, -12V and +5V.
by oh7bf
Raspberry Pi 12 V power supply with I2C control
by laura-regan
Expansion board for the EBAZ4205 bitcoin miner. It includes a HDMI output, FT2232H based JTAG programmer and UART, 12V to 5V buck converter, 2 PMOD connectors, two digit seven segment display and four switches.
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 stasiselectronics
Small breadboard power supply that offers MicroUSB connector for 5V power, a screw terminal for max 20v DC power. Select between 5V, 3.3V or Vin for each power rail.
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 cellularmitosis
A simple adjustable voltage, current limited bench power supply using two LM317 regulators.
by MehverOSHW
长城ERP2U700电源改全模组。| Modify power supply GW-ERP2U700 to full module.
by martinberlin
CINWRITE pcb is the Hardware repository for the HAT that provides GoodDisplay DEXA-C097 controller a fast way to talk SPI and 5V boost converter. The goal of this HAT is to provide WiFi, Bluetooth, RTC and extra I2C connector for sensors
by import-tiago
AC-DC is a 240W linear bench power supply features two variable and independent 1.2V-24V and 5A outputs.
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!
by radhoo
A new design for a digital bench power supply built using the Atmega8.