Let's dive into a detailed tutorial about MQTT and how it is used. What is MQTT? MQTT stands for Message Queuing Telemetry Transport. It is a lightweight messaging protocol designed for small sensors ...
DHT11 and DHT22 are two popular sensors among microcontroller users, especially the cheap DHT11s. DHT22s cost more but have better data resolution. My codes are based on MonadnockSystems/pxt-dht11 but ...