Module with 500mA self recovery insurance to protect USB port of computer.
With automatic reset port, manual reset is not required when program is given.
Stable transmission, supporting up to 1.2M baud rate.
USB to TTL, serial communication.
Board download program.
51 single chip download program.
5V port output current: 500mA (max)
3.3V port output current: 100mA (max)
Module size: 50mm * 19mm * 5mm/1.96*0.74*0.19\'\'
For general USB to serial port, only VCC, GND, RXD, TXD are needed.
When programming, connect VCC, GND, RXD to TXD board, TXD to RXD of board, RST to RST board (reset port).
The output current of 3.3V power port shall not exceed 100mA, otherwise the communication may be unstable or even the module may be damaged.
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.
1 X PL2303 USB to RS232 TTL Converter Adapter