Category: arduino

DHT22 on the cheap

To be honest, I’m not a fan of the DHT family of sensors. That’s probably why I don’t think there

In previous parts we built device sending messages to LoRaWAN , now we will build TTN range tester with Heltec Wireless Stick and GPS receiver.

In the previous part we have created simple app sending some data to LoRaWAN. We have used OTAA (Over The

Heltec Wireless Stick is ESP32 module with LoRaWAN capabilities. Heltec provides own LoRaWAN stack, but since ESP32 and SX1262 (LoRa

I’m testing a new sensor from Winsen. It is ZE25a-O3 and as name promises it is ozone (O3) sensor. Last

MAX7219 is chip to drive 7seg LED displays. Not just one, but 8 of them. 7 seg – but 8

If you ever wanted to implement some smart solutions in your home but you don’t know/don’t want to write you

Sometimes, when Arduino IDE wants You to fix some code, and You have no idea why it is complaining, maybe

Our tinyBrd has very simple and easy to use interface for NRF24L01 radio. This library was bundled with Nettigo tinyBrd

On Arduino.cc You can always find and download most recent Arduino YUN system image (firmware). What to do, if You