Ondrovo.com

2018/03/08

First prototype PCB for GEX

GEX update: The boards are finally here, and they work! » Read more

2018/02/25

STM32 Touch Sense

Testing the STM32 touch sensing controller with GEX » Read more

2017/12/11

GEX experiment: RGB ambient lights

Dynamic ambient screen backlight with GEX, Neopixels and a X11 screen capture utility written in C » Read more

2017/12/11

SD card adapter hack: A sheet music light!

Extracting power from an SD card piano slot to build a LED lamp » Read more

2017/12/08

Introducing: GEX

A first look at my USB GPIO Expander project » Read more

2017/03/18

Don't buy this cheap FTDI adapter!

It's so cheap, you can't afford it » Read more

2017/03/16

Wireless Terminal with ESP8266

Project: a serial terminal accessed over WiFi, and a little breadboard adapter for it » Read more

2017/02/07

Determining the ESP8266 power consumption

Accurate measurements with proper lab equipment to characterise the ESP8266 power demands » Read more

2017/02/05

ESP8266 killing itself?

Trying to deal with the weird undervoltage self-destruction glitch » Read more

2017/01/07

Getting started with STM8 on Linux

Set up the tools and blink a LED with your new STM8! » Read more

2017/01/05

A first look at the STM8

Could this sub-dollar STM8 board from eBay replace Arduino? » Read more

2011/11/09

Chobot

Vibrating robot on octopus legs, with photopopper circuit. » Read more

2009/06/26

Symet

Symetrical robot that should change direction upon impact » Read more

2009/06/26

Trainbot

Simple train-like bot powered by a battery. » Read more

2009/06/14

Flasher

Bot that flashes a LED, with a step-up DC/DC converter. » Read more

2009/06/13

Helios

Simplest bot, that never leaves sunlight. » Read more

2009/06/13

Spinbot

What bot? All I see is blur! » Read more

2009/05/12

Kartabot

Solar toothbrush. Admit it, you always wanted one! » Read more