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CH340 USB to TTL Serial Cable
Make a circuit using ch340c for esp32 writing (success). Usb serial ch340 ttl adapter 3v communication converter 5v programming driver interface lna modem 4ghz 1100 wireless pa data
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CH340 USB to TTL Serial Cable
USB - TTL Serial Communication and Programming Adapter CH340 3.3V / 5V
Make a circuit using CH340C for ESP32 writing (success). | kohacraft's blog
