Citroen DS instrument panel connections

Credits: https://citroenclassics.wordpress.com/2014/09/23/citroen-ds-instrument-panel-connections/ Sockets are viewed from the back side of the instrument cluster, facing the panel. Yellow socket Temperature gauge (if fitted), to sensor on engine Fuel gauge (to tank unit) Tachometer (rev counter) Ignition feed for warning lamps [+] Ground [-] Instrumentation illumination Green socket Rear window heater warning lamp (yellow) Alternator (charging) warning… Read More »

ESP32-C3 OLED

This microcontroller module is great as it is cheap, but also incorporates an OLED display. I admit, that the screen is extremely small 0.42″, but it can still display some basic information, and you will not buy a screen and the microcontroller for the price of ($6 or 5.6 EUR). There are at least two… Read More »

Playing with Ramp library

I was aiming for a smooth transition for one of my Arduino projects, the first tool for that is the ramp library. While the library itself is quite nice, I miss some more comprehensive documentation of it. Working principle Ramp is meant to be used with motors, like servos, to ease up the start and… Read More »

Hex Game

For this project I was inspired by Benjamin Heckendorn, where he was building a game for practicing hex numbers. I always wanted to build that, but did not wanted to make my own PCB. Then I came across with the so called LED&KEY board. Actually this is already a 3in1 game, and the binary-game mode… Read More »

Portable HDMI monitor

I always felt the need of a portable monitor. First of all, because I did not had a flip-out screen on my previous camera. But it is also very handy when testing hardware, that requires a screen. But of course it can be used as a secondary monitor as well. The screen I bought for… Read More »