• The Raspberry Pi RP2040 - a 32-bit dual ARM Cortex-M0+ microcontroller with 264K of SRAM
• A Raspberry Pi 2X20 header with support of all the signals required by Pi-Plates
• 16 Mbytes of QSPI for program and data storage
• An I²C controlled temperature sensor
• An I²C controlled real time clock
• A microSD memory slot for increased data storage
• A micro USB connector for programming and control
• A USB C power connector
• A power select jumper
• A 3D Printed bezel with
  • An I²C controlled, forward facing, 0.91" 128X32 OLED display divided into 3 lines of text
  • Three forward facing LED indicators:
    • GREEN for power
    • YELLOW for microSD activity
    • RED for user control
• Two forward facing user controlled buttons
• A MICROpi python module that provides convenient access to all of the above peripherals
• A boot select header for installing your own OS

• 100% Preprogrammed and Tested
• Preloaded with Micropython and Pi-Plate Python modules
• Alternate OS can be loaded via microUSB connector
• Compatible with all members of the Pi-Plates family
• Detailed Online Users Guide with Examples
• CR1220 battery included for real time clock
• Dimensions: 100mm long x 85mm wide x 17mm high

Included

• Three foot programming cable
• Four 17mm M3 nylon standoffs
• Four 10mm M3 spacers
• CR1220 backup battery for real time clock
• Assembled and preprogramed Pi-Plate MICROpi board
• All the above shipped in an antistatic bag

• Dual-core Arm Cortex-M0+ processor, flexible clock running up to 133 MHz
• 264kB on-chip SRAM
• 2 × UART, 2 × SPI controllers, 2 × I²C controllers, 16 × PWM channels
• 1 × USB 1.1 controller and PHY, with host and device support
• 8 × Programmable I/O (PIO) state machines for custom peripheral support
• Operating temperature -40°C to +85°C
• Drag-and-drop programming using mass storage over USB
• Low-power sleep and dormant modes
• Accelerated integer and floating-point libraries on-chip

microSD Slot

• Push In / Push Out Insertion
• Single channel SPI interface
• Read/Write clock: 10Mbit / second
• Verified to operate with capacities up to 64MByte
• MICROpi Python module includes libraries that simplify mounting and performing file I/O
• Uses FAT32 file system

OLED Display

• 0.91" Diagonal white OLED display
• 128x32 pixels
• Displays up to 3 lines of text
• MICROpi Python module includes functions to simplify displaying text
• I²C address: 0X3C

GPIO

• Up to 13 pins on 2X20 header available for general purpose IO
• MICROpi Python module includes functions to simplify controlling GPIO signals

• Uses Analog Devices DS1307N RTC chip
• Backed up with CR1220 battery (included)
• Counts Seconds, Minutes, Hours, Date, Month,
  Day of the Week, and Year with Leap-Year
  Compensation Valid Up to 2100
• Operational Temperature Range:  -40ºC to 85ºC
• Consumes Less than 500nA in Battery Backup Mode with Oscillator Running
• Accuracy: ±1.3 seconds/day (worst case)
• Aging: ±2.5 minutes/year (worst case)
• MICROpi Python module includes functions to read numeric or string values
• I²C address: 0X68

Temperature Sensor

• Uses TI TMP102 IC
• Accuracy (worst case): ±2.0ºC  from –25°C to 85°C
• Accuracy (typical):  ±0.5ºC  at 25°C
•  Resolution: 12 Bits or 0.0625ºC / bit
• NIST Traceable
• MICROpi Python module includes functions to simplify reading values
• I²C address: 0X48

Pi-Plate Interface Signals

• SPI signals
  • CE1: pin 26 / GPIO07
  • CLK: pin 23 / GPIO11
  • MOSI: pin 19 / GPIO10
  • MISO: pin 21 / GPIO09
• Pi-Plate Handshake Signals
  • FRAME: pin 22 / GPIO25
  • ACK: pin 16 / GPIO23
  • SRQ: pin 15 / GPIO22
  • BUTTON: pin 18 / GPIO24