DHT11 Single-Wire Communication Protocol: Data Format and Implementation

Data Packet Structure The DHT11 sensor uses a single-wire communication protocol. Each data transmission consists of a 5-byte packet organized as follows: Byte 0: Integer part of humidity Byte 1: Fractional part of humidity Byte 2: Integer part of temperature Byte 3: Fractional part of temperature Byte 4: Checksum byte The sensor transmits da ...

Posted on Sun, 16 Aug 2026 16:49:52 +0000 by MadDogSh