Features:
1. Based on the Raspberry Pi 40PIN design, it can be directly inserted.2. Lead out all GPIO function pins, and test whether all pin functions are normal.3. As a test board, test whether all pins of Raspberry Pi 3B/4B/CM4 are intact.4. As an expansion board, this module includes LED, basic functions, you can get started easily.5. This is a simple expansion board, suitable for beginners of Raspberry Pi.6. The hole position of Raspberry Pi 3B/4B can also work on zero.7. Comes with demo code and user guide, easy to use.8. The onboard ADDA chip can read ADC signals as a sensor expansion board and can send out DAC signals.9. On-board industrial wiring terminal female port, the terminal has interface definition stickers, which is more beautiful and practical.

Package Include:
1GPIOExpansion Board1Screw Bags