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SparkFun RedBoard - Programmed with Arduino

DEV-13975 · SparkFunActive

SparkFun RedBoard - Programmed with Arduino photo

The SparkFun RedBoard combines the simplicity of the UNO's Optiboot bootloader, the stability of the FTDI, and the shield compatibility of the Arduino R3. (SparkFun DEV-13975)

Part numberDEV-13975
ManufacturerSparkFun
CategoryDevelopment Boards › Arduino-compatible (AVR)
Pins32

SparkFun RedBoard - Programmed with Arduino pinout

PinNameTypeDescription
1NCnc
2IOREFpower
3RESETbidirectional
43V3power
55Vpower
6GNDground
7GNDground
8VINpower
9A0bidirectional
10A1bidirectional
11A2bidirectional
12A3bidirectional
13A4bidirectional
14A5bidirectional
15D0/RXbidirectional
16D1/TXbidirectional
17D2bidirectional
18D3bidirectional
19D4bidirectional
20D5bidirectional
21D6bidirectional
22D7bidirectional
23D8bidirectional
24D9bidirectional
25D10bidirectional
26D11bidirectional
27D12bidirectional
28D13/SCKbidirectional
29GNDground
30AREFbidirectional
31SDAbidirectional
32SCLbidirectional

Schematic symbol and footprint

3V345V5AREF30IOREF2VIN8RESET3A09A110A211A312A413A514D924D1025D1126D1227D13/SCK28SCL32SDA31D0/RX15D1/TX16D217D318D419D520D621D722D823NC1GND6GND7GND29
Schematic symbol
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Footprint: Arduino UNO R3 shield headers — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser81$22.50 (1+)View
DigiKey404$22.50 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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