Temperature and humidity measurements are a nice addition to many hobby projects. But [Rajendra Bhatt] makes the point that many of these sensors have a price tag that is well above what most hobbi… ...

The build runs on an nRF52811 microcontroller, hooked up to a 1.02″ ePaper display sourced for just $7. A SHT20 temperature and humidity sensor is then queried to sample the ambient conditions ...

Dual LCD Displays: Time and temperature on the top LCD, menu and status on the bottom LCD. DS3231 RTC: Accurate timekeeping with battery backup. DHT11 Sensor: Temperature monitoring in Fahrenheit.

New stuff you need Second micro:bit and battery DHT11 environmental sensor LAST week it was rain. This week, our mini weather station will measure temperature and humidity.

Xiaomi Mijia Smart Temperature and Humidity Sensor 3 Mini has launched for crowdfunding at $4, featuring a compact design, smart connectivity, and long battery life.

Redmi, a Xiaomi spin-off phone brand, says it has made in-display fingerprint sensors that work with LCD screens. Previously, only OLED screens supported them.