Power & batteries
Typec Charger
by Scottapotamas
USB Type C charger for laptops or phones, that uses generic DC inputs as the source.
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USB Type C charger for laptops or phones, that uses generic DC inputs as the source.
by zapta
An arduino based power measurement of battery operated devices.
by skagmo
Maximum power point tracking solar charge controller
by UnaClocker
Low cost DIY open source MegaSquirt derivative.
by cheyao
An 555 circuit entirely made out of THT transistors
by kg333
Board for adding wifi using ESP-12 to Roomba 500/600 series
by jaw0
2kVA power inverter - for google/ieee little box challenge
by MightyQ
All design files for the Qduino Mini - funded on Kickstarter in March 2015
by Sonicators
An ultrasonic system for hobbyist use
by KaeptnBalu
Arduino controlled lipo battery storage discharger with current measurement and current control
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 hardboiledfrog
a pcb design for a Zero Voltage Switching driver using SMT components
by DLFW
An open project for vape mod circuits and firmware
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 ajcord
Wi-Fi Interface Furnishing Internet for TI-84
by mogenson
KiCad sources for solar rechargeable flickering mason jar lamp
by cellularmitosis
A simple adjustable voltage, current limited bench power supply using two LM317 regulators.
by KabukiFlux
Duplicanator the Scart Duplicator
by jonathanrjpereira
🚓 Police Siren 🚒 Fire Engine Siren 🚑 Ambulance Siren
by twitchyliquid64
Give it a KiCad PCB file, it will extract all the parameters and find the cheapest/best PCB manufacturers for you.
by briskspirit
Experimental six-layer LTE replacement mainboard for the Nokia 3210, built around RP2354B and Telit LE910C1-WWX.
by antdroid-hexapod
Antdroid board is a shield for Arduino Mega thinked for Antdroid Hexapod
by Vaaarad07
A repo with STM32 based PCB designs
by neggles
my take on the Eltek Flatpack2 PSU adapter board
by tor1kk
Battery Management System (BMS) with Buck-Boost Converter
by 40000ft
Battery-powered Bluetooth keyboard project using pico-power features of AVR targeting Poker cases
by OpenwaterHealth
OpenLIFU Electronics (PCB) Designs
by ar13pit
KiCAD files of USB Hub for SMPS powered Raspberry Pi 3 Cluster
by FreeAudioTechnology
Open Source Microphone System with integrated ADC, digital phantom power, AES42, large diaphragm condenser capsule support
by EjaadTech
yet another tool for electronics engineers to use on their workbench - planned to include Voltmeter, Ammeter, Component Tester, Serial Terminal, DAQ functionality, Waveform Generator.
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 openhp
This device allows you to control the Valden Heat Pump via remote display. Display can be used with a signal cable up to a few hundred meters long. As well as the controller this display is an also open product with available gerber and source code.
by mithro
A device for overriding / injecting EDID information into VGA/DVI/HDMI video cables.
by fmeschia
A Wi-Fi to RS-232 bridge for the iOptron iEQXX Pro equatorial mounts
by radhoo
A new design for a digital bench power supply built using the Atmega8.
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