The SparkFun Auto pHAT for Raspberry Pi is an multi function robotics package that specializes in quickly adding robot functionality and enhance to your Raspberry Pi or other single-board computer. The Auto pHAT can drive two small DC motors without or with encoders and up to four servo motors in a straightforward manner via an I2C connection. The servo regulate is based on the SparkFun servo pHAT and thanks to its I2C capabilities, this PWM add-on saves the Raspberry Pi’s GPIO pins, allowing you to use them for other purposes. We have also provided a Qwiic connector for easy interfacing with the I2C bus the usage of the Qwiic system. Whether you use the Auto pHAT with a Raspberry Pi, NVIDIA, Jetson Nano, Google Coral, or other SBC, it makes for a unique robotics addition for and board with a 2×20 GPIO.
The DC motor regulate comes from the same 4245 PSOC and 2-channel motor ports system used on the SparkFun Qwiic Motor Driver. This provides 1.2A steady state drive per channel (1.5A peak) and 127 levels of DC drive strength. The SparkFun Auto pHAT also supports up to two motor encoders thanks to the onboard ATTINY84A to provide more precise movement to your creation!
Additionally, the Auto pHAT has an on-board ICM-20948 9DOF IMU for all of your motion sensing needs. This enables your robot to access the 3-Axis Gyroscope with four selectable ranges, 3-Axis Accelerometer, again with four selectable ranges, and 3-axis magnetometer with an FSR of ±4900µT.
Power to the SparkFun Auto pHAT can also be supplied through USB-C connector or external power. This will power either the motors only, or power the motors in addition to the Raspberry Pi that is connected to the HAT. This USB-C connector can be used to hook up the Pi via serial port connection to avoid having to use a monitor and keyboard for setting up the Pi. We’ve even added power protection circuits to the design, to avoid damage to power sources.
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4245 PSOC and 2-channel motor ports programmable the usage of Qwiic library. On board ATTINY84A supports up to two DC motor encoders. PWM regulate for up to four servos.
5v pass-through from RPi. Uninhibited access to the RPi camera connector & display connector. USB-C for powering 5V rail (Motors/Servos/backpowering Pi)
On board ICM-20948 9DOF IMU for motion sensing accessible via Qwiic library
Qwiic connector for expansion to full SparkFun Qwiic ecosystem. External power inputs broken out to PTH headers. Designed for stacking, full header enhance & can use additional pHATs on top of it
Raspberry Pi or other Single-board computer not included.
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