If you want to make a network attached environmental sensor, you wire a DHT11 up to an ESP8266 and you’re done. ... I built a lot of sensors on ESP and denied to use sensors in or on cases at all.

Say, you’re starting your electronics journey with a few projects in mind. You have an ESP8266 board like the Wemos D1, a Li-Ion battery, you want to build a small battery-powered sensor that… ...

“ The Flex IO sensor expands the boundaries of smart property monitoring while redefining the uses for an activity sensor,” said Alison Slavin, co-founder and senior vice president at Alarm.com.