The CH340 chip converts TTL (serial) to USB and vice versa on boards like Arduino boards. Additionally, there is no programming required to access the processor on boards using this chip. However a compatible CH340 driver, your computer might be unable to identify this chip.
CH340 Driver [Download] Windows 11 & Windows 10
Device
Also Known As
Interface/port(s)
CPU/Chipset(s)
Operating System(s)
Windows 11 x64 Drivers
Windows 10 64bit
Windows 10 32bit
Windows 8.1 64bit
Windows 8.1 32bit
Windows 8 64bit
Windows 8 32bit
Windows 7 64bit
Windows 7 32bit
Windows Vista 32bit
Windows XP x64 Edition
Windows Vista x64
Windows XP 32bit
Windows 2000
Windows ME
Windows 98SE
Windows 98
Windows Server 2022
Windows Server 2019
Windows Server 2016
Windows Server 2012
Windows Server 2008
Windows 2003 Server
