Features:
- Working voltage: 4.5V - 5.5V (On-board 3.3v LDO Regulator)
- Working current: 300mA(LDO regulator can supply)
- Selectable working mode: On-board toggle switch. UART side for serial TTL debugging by AT commands, PROG for firmware programming
- USB to serial TTL chip: CH340G
- Logic level: 3.3V
- Applications: Home automation, sensor networks, industrial wireless control
Szie: 5*1.4cm/1.97"*0.55"
Quantity: 1Pc
Note:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 0.5-1cm measuring deviation due to manual measurement.
1 cm = 0.3937 "