Category Archives: Hardware

Controlling Lots of Relays with only 2 GPIO pins

Piggyback board for 8- or 16-relays boards to control with I2C Continue reading

Posted in Arduino, Computer, ESP8266, Hardware, WiFi | Tagged , , , , , , | 1 Comment

I2C Rotary Encoder

3,143 views I will address two topics in this post. The first one is about Rotary Encoders and what you can do with them. The second is about the Inter-Integrated Circuit protocol (I²C), developed by Philips. Een in het Nederlands … Continue reading

Posted in Arduino, Computer, ESP8266, Hardware, KiCAD | Tagged , , | 4 Comments

Universal InfraRed IoT Learning Remote

[ ] In this post I will guide you through the process of building a device that can capture Infrared-messages from an Infrared remote controller (learning mode), and resend the captured Infrared-messages (sending mode). I will use the affordable and … Continue reading

Posted in Arduino, Computer, ESP8266, Hardware, KiCAD, WiFi | 1 Comment

Always wanted to own a PDP-11? Now you can!

[ ] Some time ago I wrote a post about my trip down memory lane. I visited the Apple Museum Nederland and wrote how that brought me to the micro-KIM computer. A replica of my very first computer: the KIM-1. … Continue reading

Posted in Computer, Hardware | Tagged , , , | 2 Comments

DSMR-logger V4 (Slimme Meter uitlezer)

[ ] In augustus 2018 publiceerde ik een project voor het uitlezen van de Slimme Meter. Aan de hand van de vele reacties van de mensen die het project hebben nagebouwd en mijn eigen ervaring met versie 3 van de … Continue reading

Posted in Arduino, Computer, ESP8266, Hardware, Uncategorised, WiFi | 415 Comments

1of! Platform for developing ESP8266 devices

[ ]         Je kunt een Nederlandse versie van deze post hier vinden.   Developing hardware almost always run through the same stages: It starts with an idea You design a concept on paper or in your … Continue reading

Posted in Arduino, Computer, ESP8266, Hardware, WiFi | Tagged , , , , , | 3 Comments

DONOFF – WiFi enabled light dimmer

Introduction to a DIY project to built WiFi enabled LED light dimmers Continue reading

Posted in Arduino, DONOFF, ESP8266, Hardware, SONOFF, WiFi | Tagged , , , , , , , , , | 46 Comments