SKU: DFR0604
This DFRobot IO Expansion HAT (STM32F030F4P6) offers Digital, Analog, I2C, PWM, UART, and SPI ports, ideal for Raspberry Pi Zero/Zero W. It uses an on-board STM32 MCU to enable PWM output and ADC input via IIC communication with the Pi. With our libraries, users can easily control these functions.
Downloadable Resources
1. Example Code for Raspberry Pi-PWM Control
Control a servo via the expansion board's PWM port.
2. Example Code for Raspberry Pi-Analog Read
Read analog signal input from Analog P0 using the expansion board's on-board STM32 12-bit ADC.
3. Example Code for Raspberry Pi-Digital Output
Control a LED connected to GPIO16 (BCM) of the Raspberry Pi via the expansion board's digital port.
4. Based on Raspberry Pi 4B expansion board
The article explores Raspberry Pi 4B expansion boards, detailing their capabilities to extend GPIO, PWM, and ADC functionalities.
Reference
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