Check your wiring. Ensure the tester is powered on or that the programmer is supplying 5V.
Using AVRDUDESS, select your MCU (Atmega324PA), load your new .hex file into the Flash section and your .eep file into the EEPROM section. lcr t7 firmware updated
Once flashed, the device will prompt you to perform a "Self-test." Short the three test terminals (1, 2, and 3) together and follow the on-screen instructions. You will likely need a high-quality capacitor (usually >100nF) to complete the calibration. Troubleshooting Common Issues Check your wiring
This usually means the firmware was compiled for a different display controller (ST7735 vs. ILI9163). You may need to find a version with a different display driver. select your MCU (Atmega324PA)