ESP8266 is an inexpensive serial-to-wifi tranceiver chip that can be used to connect any microcontroller with a serial port to a WiFi network. Because of its simplicity and low cost, it is getting popular among hobbyists for building Internet of Things (IoT) applications.ESP-12 are very well featured ESP8266 modules that have all the I/O pins available to developers. ESP12 uses 2mm pitch edge castellation (half-via) connectors that are almost impossible to mount on a breadboard. The adapter is breadboard friendly.
Really like these breakouts, I ordered a few on Tindie and got them within about a week to the US. Relatively painless to assemble and they work very well for me!
One of the best design I've seen for an ESP to breadboard adapter! They usually don't include reflash button/jumper or integrate to much functionality. By not soldering the esp but inter-calling a 2mm pin female header it will allow convenient module reflash.
Really like these breakouts, I ordered a few on Tindie and got them within about a week to the US. Relatively painless to assemble and they work very well for me!