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
If you are not satisfied with a product purchased from the Site, you may request a return within 30 days from the delivery date, unless the product is listed under the Return Exceptions below or is subject to specific return conditions noted on the product page.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at RoboItchi's discretion. See the Warranty section.
Return Conditions
To qualify for a refund under the 30-day return policy, all of the following conditions must be met:
A valid Return Authorization (RA) number must be obtained prior to returning the product. Returns without an RA number will be refused.
The RA number is valid for 30 days. The returned item must be received within that period.
The RA number must be included with the return.
Products must be returned in unused, unmodified condition (e.g., no scratches, alterations, missing parts, or signs of installation/use) and in their original packaging, suitable for resale.
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Refunds are processed within 7 days after receipt and inspection of the returned item.
A ¥10,000 cleaning fee may apply to domestic robots returned in used or unclean condition.
A 20% restocking fee may apply to large-quantity returns of items ordered specifically for the customer from the manufacturer or not part of RoboItchi's standard inventory.
Return Exceptions
The following products are not eligible for return or refund under this policy:
Used, damaged, or modified products — Items that show signs of use, wear, or alteration, making them unsuitable for resale.
Consumables — Use and wear-and-tear components, altered or depleted through use (e.g., batteries, belts, brushes, gears, filament, tires, disposable bags, lubricants, greases, waxes, etc.). Not eligible for return once opened or used.
Perishables — Goods liable to deteriorate or expire rapidly. Not eligible for return.
Sealed goods (health or hygiene) — Items sealed for health-protection or hygiene reasons (e.g., masks, gloves, odor-absorbing products). Not eligible for return once unsealed.
Build-it-yourself products and items requiring customer assembly — Including robots & kits, robot parts, and other products requiring assembly or soldering. Not eligible for return once assembled, soldered, or installed.
Digital Goods, Software, and Apps — Final sale only, due to licensing restrictions.
Clearance Items — Products identified as clearance or final sale, including end-of-life or discontinued items.
Custom-made, personalized, or special-order items — Products manufactured, configured, adapted, or built to the customer's own specifications and requirements.
On-Demand Items — Standard catalogue products not stocked by RoboItchi and ordered specifically to fulfill a customer request.
To request a return, submit a support ticket from your account under My Support Tickets to obtain a Return Authorization (RA) number. Returns without an RA number will be refused.