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Questions tagged [ch340]

CH340 is a USB bus conversion chip, it can realize USB to UART interface or USB to printer interface. In serial UART mode, CH340 provides common MODEM liaison signal, used to expand UART interface of computer or upgrade the common serial device to USB bus directly.

CH340 is a USB bus conversion chip, it can realize USB to UART interface or USB to printer interface. In serial UART mode, CH340 provides common MODEM liaison signal, used to expand UART interface of computer or upgrade the common serial device to USB bus directly.

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Setting serial number on CH340 USB-Serial device

Reading http://playground.arduino.cc/Linux/Udev there appears to be a way to write out to a FTDI USB-Serial EEPROM to set a given SerialNumber, allowing you to identify a given nano/other arduino to handle it specifically in UDEV. I have a…
jvc26
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Is there an Apple Silicon (M1) driver for CH34x devices?

I just migrated to a new computer running on an M1 CPU (the new Apple Silicon, arm64 based). I've been searching for CH34x drivers for my TTGO-Lora32 board, but can't find any around, nor can I find mentions of them existing or not. The x86_64…
finitud
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CH340 Nano avrdude: stk500_getsync() not in sync resp=0xa4

I'm trying to upload some code to an non-arduino nano with the CH340G chip, and the avrdude refuses to let me upload. The error I'm getting is: Using Port : COM4 Using Programmer : arduino Overriding Baud Rate …
Jacob
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ESP8266 Programming using ESP-01 to USB converter

I am new to ESP8266. To ease out the task of programming esp8266, I bought this: ESP-01 ESP8266 Programmer CH340G Chip USB WiFi Wireless UART GPIO0 Adapter. Configured Arduino Interface to run AT commands in the serial monitor. I flashed ESP8266…
Arjun Sunil Kumar
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Connect to ch340 on MacOS Mojave

I recently upgraded my MacBook Pro to Mojave. Now I'm not able to connect to my Arduino board with ch340g usb-to-serial chip. It is a Arduino board with AtMega 328 and ESP8266 integrated. I downloaded the drivers from the Chinese website for the…
Sven
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CH340K - Unknown USB Device (Device Descriptor Request failed)

I have a Arduino Nano clone working fine with the CH340 drivers. It has a CH340C on it. I made a custom PCB. CH340 chips are hard to come by these days, so I opted for the CH340K, From the datasheet, seems like it should work similar to the CH340C…
EdHayes3
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Safe place to download CH340G drivers from

I am working with an Arduino Uno clone that uses the CH340G USB to TTL converter in lieu of the 16U2 found on the Uno. I see that most tutorials suggest downloading the CH340G drivers from what they call "a chinese website". I don't quite trust that…
dotancohen
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Arduino Nano not recognized on Windows 10

For some weeks my latest dozen of Nano's isn't recognized any more by Win 10 computer: After two days of experiments I have suspicions: Is there any change in Win10 since all Arduinos now are only shown in "Hidden devices" in the device manager?…
Dieter
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Arduino Nano clone doesn't upload Linux

I've been trying to upload sketch to Arduino Nano clone (CH340G RS232 to USB converter). I have ArchLinux. My port is detected as /dev/ttyUSB0 (Official Arduino Uno is /dev/ttyACM0). After trying to upload a sketch avrdude responds with avrdude:…
Jakub Janek
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How to connect an Elegoo Nano to a Raspberry Pi and program it?

I own an several Elegoo Nanos and a Raspberry Pi. I would like to connect an Elegoo Nano to the Pi and upload nanpy onto the board and control it's GPIO pins. I have plugged the nano into the Pi and it is not recognised by the pi. I believe it is…
apollowebdesigns
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Arduino nano stk500_getsync() attempt 1 of 10: not in sync: resp=0xe1

I have been building a project using an arduino nano clone. It uses the CH340 chip. It worked perfectly, and a week later it now doesnt. When I want to upload code in arduino IDE I get the error below avrdude: stk500_recv(): programmer is not…
Benjamin Broadbent
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CH34x board fails with avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00 Atemel Mega328P AU1640

I have been given a board(Atmel ATmega328P-AU 1640) to program. I googled and found category of board Arduino Uno/ CH34x-based clone. But when I program an empty program: void setup() { // put your setup code here, to run once: } void loop() { …
abhimanyuaryan
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Nano-like Board - Programmer Not Responding

I am trying to upload a basic sketch to my unofficial Nano-like board and keep getting this error. I understand that it is a generic connection error between the Arduino and my PC, but can't figure out why it is having this problem. Semi-compatible…
ThoseKind
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Error in IR receiver project

I'm trying to receive remote information with an IR receiver and this is my code: #include int RECV_PIN = 11; IRrecv irrecv(RECV_PIN); decode_results results; void setup() { Serial.begin(9600); irrecv.enableIRIn(); // Start the…
Ali Özgür
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Arduino Pro mini to CH340G Connection problem

I have worked with Arduino UNO but recently I bought a new Arduino Pro mini 5v 16M and a CH340G converter to work with. I have searched google to connect pins but I found examples that explains this way : GND to GND VCC to VCC Converter RDX to…
Eldar Zeynalov
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