Specification:
Switchable output TTL level 3.3V/5V (with jumper)
3.3V and 5V output voltage to supply the programmed controller
With power light PWR, TXD and RXD indicator light
Used to upgrade various device
Used for different diagnostics
Can be used for Gas LPG ECU interface adjustments
Package included:
1 x HALJIA CH340G RS232 to USB TTL Module
1 x Dupont cable