WiFi Module ESP8266 ESP-12E - Earlier Variant wireless switch What does the Current Sensor

What does the Current Sensor 30A ACS712 measure

Adafruit METRO 328 without Headers - ATmega328 is an official Adafruit product available from Circuitrocks

Small amplifier comparison

5V logic for classic hobby electronics

Lower current consumption (RX

WiFi Module ESP8266 ESP-12E - Earlier Variant wireless switch What does the Current SensorESP8266 Full Evaluation Board All GPIO Broken Out, Battery Powered The ESP8266 ESP 12E EB (Evaluation Board) is designed for engineers who need to test and evaluate the full capabilities of the ESP 12E module before committing to a custom PCB design. Every GPIO pin is broken out with clear labels, the board runs on 3 AA batteries via an onboard 3. 3V regulator, and a built in USB to serial chip means you can start programming immediately without extra