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.
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Cannot get Arduino Nano with CH340 chip to keep working
I have a bunch of Arduino Nano boards with the CH340 chip. When I want to upload code to a board, it sometimes works the first time, sometimes it doesn't. Afterwards, it mostly doesn't work anymore.
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How do I fix display showing random pixels on ST7789V2 LCD Module?
Problem Description:
I’m trying to interface a Waveshare 1.69-inch LCD module (ST7789V2 driver, 240x280 resolution) with an Arduino UNO board. I’ve connected all the necessary ports as per the ...
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Error while trying to connect CH341 driver [duplicate]
I'm trying to connect an Arduino board to IDE on Ubuntu, and I have the following driver log:
[ 543.412356] usb 1-2: USB disconnect, device number 3
[ 549.593729] usb 1-2: new full-speed USB device ...
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Having trouble uploading sketch to Nano [duplicate]
I have a few cheap Nano clones that I bought online that have worked for the past couple of months. They were working fine today until suddenly the Arduino IDE had trouble uploading sketches to them.
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Arduino Nano uploading problems
I am having trouble uploading code to my Arduino Nano. It has been very trusty in the past, but I am getting this new error when uploading any code to it:
avrdude: ser_open(): can't set com-state for &...
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OEM Arduino UNO not seen by COM port
Arduino UNO R3
My error code:
avrdude: ser_open(): can't set com-state for "\.\COM3"
An error occurred while uploading the sketch
This has been mentioned several times before here in the ...
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CH340G based USB to UART adapter - Pinouts - Can't find schematics
This is the board I will be referring to.
There are different variations of it (with built in buttons etc.) but they all seem to be based on the CH340 chip.
My problem is, that I do not know what the ...
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Nodemcu Lolin v3 Timeout error
I am getting the Arduino console error "the selected serial port serial.serialutil.SerialTimeoutException: Write timeout
does not exist or your board is not connected". I recently upgraded ...
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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 ...
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Replace CH340 With FTDI
I have built a arduino midi octapad with a Clone of arduino nano that contain a ch340 chip but hairless midi says FTDI driver doesn't installed i installed that driver but it still show that error so ...
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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, ...
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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 ...
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Why Windows 10 does not see Nodemcu device?
I am using a Windows 10 laptop. Behind the nodemcu it says that download CH340G driver.
I already had arduino ide and the esp libraries were already
installed because i was using a esp8266 01 device ...
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CH340G Uploading problem
I've tried to copy CH340G from other schematics and existing Arduino Uno Clones...
Searched online & StackExchange but no good :/ My problem is almost the same as this one
Here is my schematic
I ...
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Arduino NANO (CH340) error while flashing bootloader [duplicate]
Ok. So I'm close to tearing me hair out on this one.
I have a batch of cheap Arduino Nano clones, that just straight up won't work. (I HAVE gotten one of them to work, but I suspect that was by pure ...
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