A HomeKit Enviro pHAT Sensor

Publishing sensor data (temperature and ambient-light level) from the Raspberry Pi Enviro pHAT to HomeKit.

Martin Oldfield, 01 Aug 2018

TI HDC1000 Evaluation

Brief notes on the HDC1000, a humidity and temperature sensor from Texas Instruments.

Martin Oldfield, 08 Aug 2015

ADT74x0 temperature sensing

Analog Devices make some nice I²C temperature sensors, including the ADT7420 which is accurate to 0.25̣̣°C. Here’s a user space client for them.

Martin Oldfield, 10 Jun 2013