Specifications

Microcontroller	ESP8266
Clock Speed	80MHz/160MHz
Digital I/O Pins	8
Button	D6,D8,D7
Analog Input Pins	1(Max input: 3.2V)
Working current	0~80 mA
Operating Voltage	3.3V
OLED	SH1106 1.3inch SDA-D1, SCL-D2
Battery connector	Jst 2pin 1.25mm
serial port chips	CH9102

Technology Support [Github]

If you need technical support please check the link to find more details.

TO ESP8266 OLED SH1106

 

Pin Diagram

 

With Antenna

• 1 X TTGO TO (Use onboard antenna by default)
• 1 X Power Cable (Jst 2pin 1.25mm)
• 1 X Antenna

 

Normal version

• 1 X TTGO TO (Use onboard antenna by default)
• 1 X Power Cable (Jst 2pin 1.25mm)