PiLeven Arduino Compatible Expansion for Raspberry Pi


The PiLeven is an Arduino Uno compatible board that fits directly onto a Raspberry Pi, giving you the best of both worlds. You can run a full operating system on the Pi with whatever high-level management software you like, while using the PiLeven for I/O using its Arduino R3 shield headers.

The two boards communicate with each other via a serial connection passed through the Raspberry Pi header. They can also use I2C to communicate.

No custom programming interface is required, you can use the unmodified Arduino IDE or any Arduino Uno compatible programming method for the PiLeven.

The PiLeven also features a switchmode power supply which is passed through to the Raspberry Pi, allowing you to run them using any 7-18Vdc power supply. Very handy!

(Raspberry Pi not included.)


  • ATmega328P MCU at 16MHz
  • 5V operation with level shifters to communicate with Raspberry Pi at 3.3V
  • High efficiency switchmode power supply that can also power the Raspberry Pi (input 7-18Vdc)
  • Reprogram the PiLeven from the Raspberry Pi
  • Arduino R3 headers for full shield compatibility
  • Prototyping area to add your own parts
  • Fits many Raspberry Pi Models
    • Raspberry Pi 3 Model B
    • Raspberry Pi 2 Model B
    • Raspberry Pi 1 Model B+
    • Raspberry Pi 1 Model B




Technical Specifications


MCU Type Atmel AtMega328p
Operating Voltage 5V (3.3V converter interface for Raspberry Pi)
MCU Clock Speed 16 MHz
Input Voltage 7-18V DC. Recommended 12-18V DC, 1A current capacity
Digital I/O pins 14 (6 provide PWM output)
Analog Input Pins 6 (analog input pins also support digital I/O, giving 20 digital I/O total if required)
Analog Resolution 10 bits, 0-1023 at 5V AREF is approx 0.00488V; 4.88mV per step
Current Per I/O Pin 40mA maximum
Total Current For I/O Pins 200mA maximum
Current For 5V Output 3A maximum (includes 100mA for Microcontroller, and power for Raspberry Pi)

If using the full 3A output (ie lots of high-current USB devices attached to the Pi), then we recommend connecting a DC input power supply that is rated for 2A if 12V, 1.5A if 15V, or 1.2A if 18V.

Flash Memory 32 KB Flash Memory, of which 1 KB is used by bootloader
Raspberry Pi Comms Hardware Serial & I2C connected from Raspberry Pi to microcontroller.

Connections can be disabled by cutting solder jumpers on board, if required.

Serial 1 x hardware USART, SPI (Serial Peripheral Interface), 1 x I2C
Other Many other one-wire, multi-wire, LCD and expansion devices supported by free code and libraries.

  • PILV (20)

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