Category Archives: KiCAD

Slimme Meter Poort Extender (P1 HUB)

Posted on 16 April 2021 by Willem Aandewiel

[ ] (Laatste update: 02-03-2025 – Versie 2.1) Bijna alle Nederlandse huishoudens zijn inmiddels uitgerust met een zgn. “Slimme meter”. Deze meter stelt de energie leveranciers in staat om op afstand de meterstanden op te vragen. Om ook de eindgebruiker … Continue reading →

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Posted in Arduino, DSMR-logger, ESP32, ESP8266, Hardware, KiCAD | Tagged , , , , , , , , | 68 Comments

digital Tape Recorder for the KIM-1 (and clones)

Posted on 20 February 2021 by Willem Aandewiel

[ ]In October 2017 I wrote a post with the title “Solid State Tape Device for the (micro)KIM“. Recently one of the makers (Dirk Dral) wanted to adapt the device for use with a genuine KIM-1 and ran into some … Continue reading →

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Posted in Arduino, Computer, ESP8266, Firmware, Hardware, KiCAD, KIM, Uncategorised, WiFi | Tagged , , , , | 32 Comments

Extending GPIO pins on your Micro Processor

Posted on 10 August 2020 by Willem Aandewiel

[ ]Somehow, no matter what micro processor I choose, I end up with too few GPIO pins for the projects needs or for what I want to do. For a recent project I switched from the ESP8266 to the ESP32 … Continue reading →

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Posted in Arduino, ESP8266, Hardware, KiCAD | Tagged , , , , , , | Leave a comment

I2C Rotary Encoder

Posted on 3 October 2019 by Willem Aandewiel

12,926 keer bekeken / 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 … Continue reading →

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Posted in Arduino, Computer, ESP8266, Hardware, KiCAD | Tagged , , | 10 Comments

Universal InfraRed IoT Learning Remote

Posted on 15 July 2019 by Willem Aandewiel

[ ] 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 →

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