After successfully flashing the USB firmware you can' t upload sketches over usb anymore. I got pretty close - having stumbled into the CH340 driver but the step I missed was switching to the ( Old Bootloader) oddly enough - that was the switch I needed to flip to get it communicating properly. Board for makers DIY hobbyists smart robots RPI day. CH340G driver download Driver details CH340G converter connection and pinout for programming.
Usb serial ch340 arduino. Der eingesteckte USB- Adapter HL- 340 wird im GeräteManager als Unbekanntes Gerät > USB2. - Primer programa.
CH340 driver for Windows 8. There are many integrated circuit products available for the USB to serial ( TTL or RS232) conversion on the market.