Tag Archives: I2C

Extending GPIO pins on your Micro Processor

[ ]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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Controlling Lots of Relays with only 2 GPIO pins

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

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I2C Rotary Encoder

4,283 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

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BeeHave – a beehive data logger

[ ] A friend of my keeps bees as a hobby. I’m not fond of flying, stinging insects, but because he was so enthusiastic my partner and I went to visit an apiary in the ‘Corversbos’ in Hilversum and it … Continue reading

Posted in Computer, ESP8266, Hardware, Uncategorized, Van Alles, WiFi | Tagged , , , , , , , , , , , , , , , | 4 Comments