SparkFun MicroMod Main Board - Double

Sparkfun ElectronicsSKU: RB-Spa-2191
Manufacturer #: DEV-20595

Price  :
Sale price ¥3,429

Tax included Shipping calculated at checkout

Stock  :

Re-stocking soon See due date

Notify me when this product is in stock

Payments and Security

Payment methods

American Express Apple Pay Google Pay JCB Mastercard PayPal Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



  • SparkFun MicroMod Dual Main Board
  • Easily connect Processor and Function Boards with M.2 MicroMod connector
  • Power and program via USB-C connector
  • Protect circuits with 2A resettable fuse
  • Charge single-cell LiPo batteries with integrated MCP73831 circuit
  • Expand functionality with two Qwiic connectors for I2C devices

The SparkFun MicroMod Dual Main Board is a specialized carrier board designed to interface a MicroMod Processor Board with up to two MicroMod Function Boards. Utilizing the M.2 MicroMod connector, it enables easy connection of Processor and Function Boards by matching the key on the boards beveled edge connector to the key on the M.2 connector and securing them with screws.

The Dual Main Board features a USB-C connector for power and programming, a jumper to isolate the USB-C shield pin, reset and boot buttons, 2x5 SWD pins, a 2A resettable fuse, 3.3V/1A and 3.3V/500mA voltage regulators, PTH jumpers for advanced users, a 2-pin JST connector, a single-cell LiPo MCP73831 charge IC, switches for toggling between general-purpose pins and voltage regulators, a microSD card socket, and two Qwiic connectors with built-in pull-up resistors for easy integration of Qwiic-enabled I2C devices.

  • 1x MicroMod Main Board - Double
  • 4x Phillips #0 M2.5x3mm Screw
  • 12.45 x 7.37 cm / 4.9 x 2.9 inches

  • Input Voltage Range: 5V via USB C Connector, 3.7 to 4.2 V via LiPo Battery Connector
  • Built-in Resettable PTC Fuse (Rated 5 V / 2 A)
  • AP7361C 3.3 V Voltage Regulator (Rated 1 A)
  • AP7347DQ 3.3 V Voltage Regulator (Rated 500 mA)
  • Integrated MCP73831 Single Cell LiPo Charge Circuit (500 mA)
  • Ports: 1x USB Type C Connector, 1x 2-Pin JST Connector, M.2 Connectors, 1x MicroMod Processor Board, 2x MicroMod Function Boards, 2x Qwiic Enabled I2C, 1x MicroSD Card Socket, 1x SWD 2x5 Header
  • Built-in MUX for UART1
  • Buttons: 1x Reset, 1x Boot
  • 3x Switches: Function Board Zero Power Enable Pins, Function Board One Power Enable Pins, SPI1 Chip Select Alternative Pins
  • LEDs: 1x VIN, 1x 3.3V, 1x Qwiic 3.3V, 1x CHG
  • Plated Through Holes: RST, 5 V (MEAS), V_BATT, 3.3 V (MEAS)
  • Jumpers: USB SHLD, 5 V MEAS, 3.3 V MEAS, PTC, 3.3 V EN, VIN LED, 3.3 V LED, Qwiic 3.3 V LED, I2C, Battery Voltage Divider

Estimate shipping

You may also like