Battery Powered ESP8266 Temperature/Humidity Monitor with DHT11

[kreggly]

Here’s you go…

Esp8266

So my HowTo in a nutshell. I bought ESP8266-07 modules from AliExpress for a whole $2 each shipped. ESP8266 serial WIFI model ESP 07 Authenticity Guaranteed ESP 07S|Integrated Circuits| - AliExpress To use them, you must provide a 3.3V supply between VCC and GND, attach the EN pin to VCC, and GPIO15 to GND. To program, you must pull GPIO0 low, and momenterally put RST low to get into flashing mode. You should also have an FTDI RS232-3V3 cable or some other USB to Serial converter with 3.3V l…