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
