Trying to upload a sketch always ends with the error messages above.The CH340 is a popular IC that is a bidirectional USB to Serial converter IC, used to convert USB signals into UART, which can be used to communicate with microcontrollers. But I tried to follow the proposed steps and stopped in step 2 because there is no ‘next’ to click on.įurther I tried various sequences of INSTALL and UNINSTALL without success. Really, I don’t fully understand the complete poorly translated English. Type 'SETUP /S' to install driver and type 'SETUP /U' to uninstall the driver. Install the drive in the command line box. Because the driver files are shared by other devices, Delete it will lead that other divece can't work Ħ. Click 'next' to complete the process ģ.Insert the device, run the setup.exe, and then click to install device driver Ĥ. If the device is inserted, the system will find the new device and clue it on. Run the 'setup.exe' file and click to install it in advance. You should put all the drive files(sys,dll) in the same directory at first, then select the installation file *.inf before installing or uninstalling the driver Ģ. Now clicking on HELP (in the setup.exe window) shows the following text: Setup program overviewġ. I tried with ATmega 328P and with ATmega 328P (old bootloader). Try to upload a sketch, same problem as described above. Then clicking INSTALL, and “The drive is successfully Pre-installed in advance” was confirmed. Then I downloaded CH341SER.ZIP, extracted the files to my programs folder “…\arduino-1.8.13\drivers\CH341” and ran SETUP.EXE which also was contained in the zip file.Īt first clicking UNISTALL, driver uninstall was confirmed: hi, what’s that, the driver was installed? there was no reaction at all, no window popping up, etc… Therefore I downloaded at first CH341SER.EXE and ran it without success, i.e. And there are tips to install the CH340 driver. In the forum here there are many postings reporting this type of error. Īvrdude: stk500_recv(): programmer is not respondingĪvrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x92 Trying to upload a sketch ends with messages. The first which worried me was that for selection of a port only COM1 was available. I am not sure but I believe the problem exists since “new boards available” had been poped up and I installed new boards version 1.8.3 for AVR boards. After years of successfully working with my Arduino Nano with CH340 chip, now it is not possible to upload any sketch.
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January 2023
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