Download latest version of verified & working Windows 10 driver for CH340, CH340G USB to Serial converter. Tested with Arduino, ESP2866, Wemos D1 and other boards.
How to make simple 3-pin and 4-pin PWM pc fan speed control with Arduino. You can change the fan speed from off to max speed. Circuit will allow RPM control on any 12V pc fans. Tested with Noctua 120mm, Noctua 140mm PWM, NZXT and Artic Cooling.
How to make very small, simple and cheap PWM solar charge controller with Arduino Pro Mini for 12V off-grid installations. The size of circuit board is the same as size of Pro Mini board, so they can be sandwiched together. PCB plans are for universal prototype board.
Download latest version of verified & working Windows 8.1 x64 & x86 driver for CH340, CH340G USB to Serial converter.
CH340 driver for Windows 8.1 x64 & x86
Here you can download latest version of verified & working Windows 7 driver for Mini USB 2.0 to TTL 6Pin CH340G Converter sold as BTE13-009/USB.