This is usually a driver conflict or power issue. Reinstall the driver using Zadig (installing WinUSB) to fix it.
The WCH website is in Chinese, but the software itself is multilingual. Once installed, click the “Language” menu to switch to English.
Willar Programmer Software for Windows 10: Complete Guide and Download Link willar programmer software for windows 10 link
Run the WLPRO_V220_SETUP.exe to install the main application. Then, install the USB driver by running CH341SER.EXE . An important rule is to until after the driver installation is complete.
Official CH341 driver from WCH.cn https://www.wch.cn/download/CH341PAR_EXE.html This is usually a driver conflict or power issue
Finding the right shouldn't stop your development work. With the link and installation guide provided above, you should be up and running in no time.
If you can provide more details, I’ll do my best to find the exact official source for you. Once installed, click the “Language” menu to switch
A critical step for Windows 10 users is ensuring the correct USB-to-UART bridge drivers (often the Silicon Labs CP210x drivers ) are installed to recognize the hardware. Users must also often manually change the assigned COM port to a single digit (e.g., COM1 to COM5) in the Device Manager for the software to automatically detect the programmer. Key Features
Handles Atmel MCS-51 architectures (including AT89C51, AT89C52, AT89S51, and AT89S52). It also interacts with 24-series I2C and 93-series Microwire serial EEPROM ICs.
The apartment grew cold. The breath from Elias’s lips misted in the air. The programming dongle on the desk was vibrating so hard it was walking toward the edge.