CrowPi Support Forum

16x2 LCD display driver on I2C

Light sensor on I2C

RFID on SPI

Top has Analog in, UART out.

I2C on connector.

Servo connector.

Stepper connector - drivers below it.

Buzzer - and PIR circuitry ?

Vibration, Sound, Touch.

8x8 colour matrix

4x4 button pad - quite sturdy.

20201105_184940.jpg Chip next to 7Seg is HOLTEK-HT16K33 - all-in-one LED-multiplexer / key matrix scanner + debouncer that talks I2C to the Pi4, and handles the 7 seg display, the 8x8 led colour display, and the 4x4 SPI / CE1 to Rocker ? GPIO to PIR, Sound detector - not entirely sure what GPIO28 i...

Switch (I think) disconnects I2C from Pi.

Screen driver - converts HDMI to screen.

Fan - right above naked SoC on Pi board.

Led indicators on all Pi connector pins.

Relay

Mine arrived this week - I wrote a bit more in the Introduce yourself section.

I don't think it is feasible to power it through the micro usb - you would need a short, low-resistance cable and a good battery pack.

Hi! My name is Andy Rabagliati, I live in Muizenberg, South Africa. I am a linux guy, and have dabbled with RPi, with a project that needed SPI to talk to another board. I bought mine straight from Electrow, because that was where the links guided me. I got no specials on a Pi4 board - but I bought ...