Recent Projects

DIY 12V LiFePO4 UPS for Home Assistant Green and Xfinity XB7 modem. Victron BP-65 LVD, MOSFET ideal diode, 13.3V float, Shelly Plus Uni

DIY UPS for Home Assistant Green & Xfinity XB7 Mod

bill-collis Bill Collis

A retrosystem based on the elegant 8/16 bit 6809 processor capable of running UniFLEX and OS9 level II multiuser/multitasking OS

6809 Eurocard CPU System

roelof4 roelof4

A device to split an addressable LED signal where one output skips a configurable amount of pixels.

Addressable LED Delay Splitter

An Indoor Thermometer That Uses MAGIC MORSE CODE To Communicate The Temperature Between Three Bands: 50F - 79F

Cold Hearted Orb (PICAXE->ARDUINO)

ray-burne Ray Burne

A compact water chiller/heater that can function as a drop-in alternative to cooling mattresses like 8Sleep + other purposes (lab).

Opencooler

Screen that follows you around and reacts to hand gestures

Tracking Screen

custom(izable) circuit for sending some megabytes over differential pairs.

miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdes Yann Guidon / YGDES

Modular, lightweight Hardware-in-the-Loop (HIL) testing framework for embedded systems with report generating features.

Py-Micro-HIL

Mini-PI Media Server for use on home network or as a wifi access point to stream media from

Mini-PI Media Server

If you’ve ever left your workshop wondering “Did I really turn everything off?”, this project is for you.

Workbench Power Manager

jeroen-brinkman Jeroen Brinkman

A lightweight, cross-platform and user-friendly Modbus RTU sniffer tool with a graphical interface.

ModbusSniffer

All the instructions laid out in systematic manner

Instruction Set for ECM-16/TTL homebrew cpu

16 bit Computer made from ttl logic chips

ECM-16/TTL homebrew computer

Button field 35 buttons. Normal mode - control. Symbol and service character modes are called by holding one of the function buttons.

Reflections on the Portable HMI - 2

slpostmann Sl_Postmann

Using 5 cheap BJT (BC547) I built a small, cheap and easy class C QRP amplifier for HF bands.

1-30 MHz 0.5-1W class C amplifier

The extension board with switches, buttons, leds, VGA output and interface to 5V logic.

Evaluation board shield for Tang Nano 9k FPGA