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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… ...
My build uses the esp8266 and the bmp180 sensor. I put the esp into deep sleep between readings, which is essential since I intend to run off of battery.
“ 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.