
SparkFun RedBoard Plus
SparkFun Electronics$28-$32
Features
- ATmega328P microcontroller at 16 MHz with 32 KB flash and 2 KB SRAM
- R3 Uno footprint — compatible with thousands of Arduino shields
- Reversible USB-C port replaces legacy Mini-B connector
- Qwiic connector enables daisy-chaining sensors without soldering
- Full open-source hardware: schematics and EAGLE files published on product page
Description
The RedBoard Plus is SparkFun's refined take on the classic Arduino Uno, built around the ATmega328P with a USB-C connector, improved reset button, and a built-in Qwiic I2C port. It is fully shield-compatible with the standard R3 footprint while adding modern conveniences for beginners and educators.
Made in the USA
Assembled at SparkFun's Niwot, Colorado facility.
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