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170v-nixie-power-supply

170V, LT3757 based nixie power supply open source hardware

326298-rev-a-kicad

326298-rev-a-sprint

a600reborn

Amiga A600 schematics recpatured in KiCad and a new PCB design from them. Base version

amiga2000-remake

A recreation of the Amiga2000 motherboard using Sprint Layout

ar488

AR488 Arduino GPIB Interface

ar488-build

arduino

ESP8266 core for Arduino

arduino-esp32

Arduino core for the ESP32

arduino_core_stm32

STM32 core support for Arduino

arduino_dram_tester

Use an Arduino to test retro DRAM chips

arduino_stm32

Arduino STM32. Hardware files to support STM32 boards, on Arduino IDE 1.8.x including LeafLabs Maple and other generic STM32F103 boards

astroeq

DIY Electronics System for connecting a non-Goto telescope to EQMOD

attiny84-tinyicoc

In-Circuit Oscillator Calibrator for AVR Microcontrollers

attinystreamgfxapi

Fast Graphics Library for Attiny85 and SSD1306 over I2c

baseflight

32 bit fork of the MultiWii RC flight controller firmware

basic-lm399

A very basic LM399 voltage reference board design.

best-improvement-rp2040

Source code for my Best Improvement board v1.5 (RP2040) to control Best BST-863 hot air station

best-improvement-stm32

Source code for my Best Improvement board to control Best BST-863 hot air station

betaflight

Open Source Flight Controller Firmware

bigtreetech-s42b-v1.0

The closed-loop drive is to feedback the rotation angle of the stepping motor to the control panel, compare the distance that needs to be rotated with the distance of the actual rotation, calculate the error value, and then compensate, so as to prevent the problem of multi-step and lost step. The closed-loop drive can completely overcome the lost step of the open-loop stepping motor, and can also significantly improve the performance of the motor at high speed

bldc-hardware

Brushless DC Motor controller from Benjamin Vedder

blheli

BLHeli for brushless ESC firmware

bme280

Using BME280 sensor from Bosch at AVR mikrocontrollers like Atmega328p

bus_pirate_ng

Bus Pirate NG firmware and hardware

c64-250407-replica-kicad

c64-dodgypla

Commodore 64 PLA replacement

c64-dodgypll

Commodore 64 8701 Replacement

callisto

A desk clock that uses a Russian IV-18 VFD tube

cores