scootergrisen
100 W
- Joined
- Feb 26, 2018
- Messages
- 154
I want to connect LBMC048122HK2-M6 controller to a computer via USB to TTL device.
On the controller board i see JZ2 which have GND TXD RXD which i think i have to connect like this on the USB to TTL device.
GND > GND
RXD > TXD
TXD > RXD
But are those 3 wires enough or do i also need to add a wire for 3.3V on JZ1?
Some USB to TTL devices have a jumper that seems to be connected like this:
VCC - 3V3 or VCC - 5V
Suppose i was to shorten VCC - 3V3 with the jumper then i could not connect a wire to the pin while the jumper is there.
The "manual" have RX on 23 and TX on 13. But my scooter use pin 13 for speedometer so i am sure i can trust the manual but i would like to be able to conntect it via the external connector so i don't have to open the controller each time.
The controller uses a STM32F030C8T6 chip.
On the controller board i see JZ2 which have GND TXD RXD which i think i have to connect like this on the USB to TTL device.
GND > GND
RXD > TXD
TXD > RXD
But are those 3 wires enough or do i also need to add a wire for 3.3V on JZ1?
Some USB to TTL devices have a jumper that seems to be connected like this:
VCC - 3V3 or VCC - 5V
Suppose i was to shorten VCC - 3V3 with the jumper then i could not connect a wire to the pin while the jumper is there.
The "manual" have RX on 23 and TX on 13. But my scooter use pin 13 for speedometer so i am sure i can trust the manual but i would like to be able to conntect it via the external connector so i don't have to open the controller each time.
The controller uses a STM32F030C8T6 chip.
