Pi Zero Robo HAT

10 months ago 278
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

HAT or pHAT for Raspberry Pi. Designed with the Pi Zero W in mind, so it shares the footprint of the Zero.

HAT has an ATmega328PB connected via I2C, SPI and UART,allowing both flashing, and many forms of communication.

Included a space for a Mini DC-DC voltage regulator. These are good for 3A of power, but make sure to solder the 5V pads and cut the ADJ pad lead.

Headers for SPI(ICSP) and both I2C busses available

ATmega328PU has the following linked to it:

  • MPU6050 IMU on the 2nd I2C bus (0x68) and interrupt linked
  • 2 MX1508 motor drivers, MAX 10v, providing 4x1.5A PWM driven motors
  • 4 Servo headers with 5v attached
  • Voltage divider for monitoring battery level on ADC3

Documents

RoboHAT - MX1508

RoboHat_mk3_10mil

BOM

ID Name Designator Footprint Quantity
1 JST_XH_2_PIN MOTOR-2,MOTOR-4,MOTOR-1,MOTOR-3 JST_XH_02X2.50MM 4
2 Battery 6V-10V H2-3.5-7.0X7.0MM 1
3 Dork miniature DC-DC DROK-MINI DORK MINI DC-DC 1
4 Header-Male-2.54_2x20 PI-HEADER HDR-20X2/2.54 1
5 ATMEGA328PB-AU 328PB-AU TQFP-32_7X7X08P 1
6 Header-Male-2.54_1x3 S-1,S-2,S-3,S-4 HDR-3X1/2.54 4
7 M03X2 ICSP 2X3_SMT_POSTS 1
8 1K R2 3225 1
9 10K PU-RST 3225 1
10 4.7K PU-SDA,PU-SCL 3225 2
11 MPU 6050 MPU_6050 MPU6050_SMT 1
12 2.2K R1 3225 1
13 TB6612FNG U1,U2 DRV_6612 2

Attachments

None

Members

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