Datasheet

ROBOT.HEAD to TOE

Datasheet - MAKER-HAT-BASE

1. BOARD LAYOUT & FUNCTION

Function

Description

Pin Header for

HAT

Stack the Raspberry Pi HAT here.

Grove Ports

Connect to Grove modules. Pinout is as follow:

● I2C Grove Port:

○ SCL - GPIO3

○ SDA - GPIO2

● UART Grove Port:

○ RXD- GPIO15

○ TXD- GPIO14

● GPIO Grove Port:

○ GPIO12

○ GPIO13

IDC Socket for

Raspberry Pi

Connect to Raspberry Pi via 40-way ribbon cable.

Buzzer

Programmable fixed tone buzzer (resonant frequency: 2700±300Hz).

Connected to GPIO26 internally.

Mute Switch

Used to mute the buzzer if GPIO26 is used for other purposes.

Programmable

Buttons

Active low push buttons. Connected to GPIO17, 22, 23 and 27 internally.

Please enable the internal pull-up if you wish to use these buttons.

GPIO Status LEDs

LED indicator for Raspberry Pi GPIO.

Turn on when the GPIO state is high.

Raspberry Pi

Pins breakout

Breakout of the Raspberry Pi pins. Can be used with jumper cable to

connect to other components.

3.3V Power LED

LED indicator for 3.3V. Turn on when powered up.

5V Power LED

LED indicator for 5V. Turn on when powered up.