ESP8266 ultra low power thermometer

This is another project I originally build for a ground school here in the Czech Republic. But in the end, I liked it a lot, so I build a few of these modules for myself as well. It’s basically a small ESP8266-based board with a BME280/BMP280 sensor and these features: measures temperature, humidity, pressure (BME280) … “ESP8266 ultra low power thermometer”

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Testing the range of NRF24L01+ modules

One of the biggest trends these days is making everything wireless. And sometimes it really comes in handy to have a radio module capable of transmitting data between two microcontrollers. And because I don’t know that much about radios, I have to stick to ready-made modules, like the NRF24L01. While you can get a lot … “Testing the range of NRF24L01+ modules”

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