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HL-340 HL340 New USB to RS232 COM Port Serial PDA 9 pin DB9 Adapter support Windows7-64 - AliExpress
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Amazon.com: YWBL-WH 2 PCS HL-340 USB to RS232 COM Port Serial PDA 9 pin DB9 Cable Adapter : Electronics
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usb - How to uplad program into Arduino Nano Clone with CH340? - Electrical Engineering Stack Exchange
![Amazon.com: YWBL-WH 2 PCS HL-340 USB to RS232 COM Port Serial PDA 9 pin DB9 Cable Adapter : Electronics Amazon.com: YWBL-WH 2 PCS HL-340 USB to RS232 COM Port Serial PDA 9 pin DB9 Cable Adapter : Electronics](https://m.media-amazon.com/images/I/61PjcB7LmaL._AC_UF350,350_QL80_.jpg)
Amazon.com: YWBL-WH 2 PCS HL-340 USB to RS232 COM Port Serial PDA 9 pin DB9 Cable Adapter : Electronics
![Need help with serial porting; The QinHeng serial adapter (Chinese Arduino Uno) doesn't show up in dmesg. I managed to get it working ones, but after a reboot it disappeared again and Need help with serial porting; The QinHeng serial adapter (Chinese Arduino Uno) doesn't show up in dmesg. I managed to get it working ones, but after a reboot it disappeared again and](https://preview.redd.it/8o9vd9k0tew41.png?auto=webp&s=439be42e18ef51df0e2405b5020eb0d9a8684a2f)
Need help with serial porting; The QinHeng serial adapter (Chinese Arduino Uno) doesn't show up in dmesg. I managed to get it working ones, but after a reboot it disappeared again and
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Amazon.com: Aihjcnele 2pcs HL-340 USB to RS232 DB9 Serial Male Converter Adapter Cable 9 Pin USB 2.0 to 232 COM Port RS-232 80cm FTDI Connector Supports Windows 10 8 7 XP for Arduino 51 MCU (HL340) : Electronics
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