QWIIC Archives - Open Electronics

Tue. Sep 8th, 2026

Arduino | Tutorials

Arduino UNO R4 WiFi: A Guide to Sensors and Displays
Byoeadmin September 2, 2026September 7, 2026

Learn how to use the STEMMA QT/Qwiic connector on the Arduino UNO R4 WiFi to connect I²C sensors and displays, with a custom adapter board and example code.

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Arduino | IoT and Connectivity | Microcontrollers

SparkFun Pro nRF52840 Mini: a Powerful Combination of Cortex-M4 CPU and 2.4GHz Bluetooth
Byoeadmin December 4, 2018December 3, 2018

The SparkFun Pro nRF52840 Mini Bluetooth development board is now available priced at $30 and features a ARM Cortex-M4 CPU supported by 1MB internal Flash and 256kB internal RAM. The board comes pre-programmed with a USB bootloader. You can develop programs for the nRF52840’s Cortex-M4 using either Arduino, Circuit Python, or C (using Nordic’s nRF5 SDK),…

Read More SparkFun Pro nRF52840 Mini: a Powerful Combination of Cortex-M4 CPU and 2.4GHz Bluetooth

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