Hi,
thanks for this repo. For information, the "SerialUPDI_Programmer" works fine with a CH340G too. I used a BAT54H schottky diode in SOD123F form factor and a resistor (i don't remember the value to be honest) in 0805. I bodged both components on the back of the USB to serial adapter and put hotglue on top.
The adapter i have allows to select between 3,3V and 5V; but at this point i only tested it with 5V and an Attiny402.
Hi,
thanks for this repo. For information, the "SerialUPDI_Programmer" works fine with a CH340G too. I used a BAT54H schottky diode in SOD123F form factor and a resistor (i don't remember the value to be honest) in 0805. I bodged both components on the back of the USB to serial adapter and put hotglue on top.
The adapter i have allows to select between 3,3V and 5V; but at this point i only tested it with 5V and an Attiny402.