DollaTek wifi ESP8266 ESP-12

• it is a mini WIFI board based on ESP-8266EX.
• 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire
• supported(except D0) 1 analog input(3.3V max input) a Micro USB connection

Description: Brand New D1 is mini WiFi board based on ESP8266 This is new version V2 Version 2 Use BRT (Bias Resistor Transistor) thus making it easier going into flash mode Stabler operation than Old Version 1.0 boar 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0) 1 analog input (3.3V max input) Built In Mirco USB Port On board reset button Technical Specification: Microcontroller: ESP-8266EX Operating Voltage: 3.3V (Max) Please don't connect to power sourch which is higher than 3.3 Volts Digital I/O Pins 11 Clock Speed: 80MHz/160MHz Flash: 4M bytes Length: 34.2mm Width: 25.6mm Weight: 10g package Content: 1x DollaTek ESP8266 ESP-12 ESP12 WIFI Dev Kit Development Board