This IO Expansion HAT from DFRobot is the perfect companion for your Raspberry Pi 4!
It leads out all of the IO ports on Raspberry Pi including digital ports, analogue ports, PWM, I2C, UART, SPI, and IIS.
The HAT is compatible with DFRobot Gravity modules, which frees users from complicated connection work and enables them to concentrate on their project building.
Raspberry Pi GPIO pins work with a maximum logic level of 3.3V. The product also supports:
- Sensor and modules with 5V power supply and 3.3V level
- PWM external power supply (6~12V)
- Controlling multiple servos
- Operating Voltage: 5V
- PWM Port External Power: 6-12V
- Sensor Interface External Power: 3.3V
- Dimension: 65x56 mm (click for drawing)
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