In Arduino mode, the OpenCM-904 already has drawn out nicely 2 SPI Ports on its two headers. In the file "SPI.h", Line 114, I saw that SPI is defined as extern SPIClass SPI; Then in the file "SPI.cpp" ...

I have code that has been working for a long time. It uses hardware SPI to communicate with a couple devices. After updating from Arduino IDE 2.0.4 to Arduino IDE 2.1.0, hardware SPI no longer works.

1-07-2020 | Here’s a quick primer on sending data over the SPI bus from one microcontroller to another. The data is this case consists of 10-bit reading ...

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI Keypad ...

A new fully featured Arduino development board has been created called the Prestissimo Uno+ which is now available to back via Kickstarter with earlybird pledges available from just $20, AUS$28 or ...

Skill development Program on “Arduino Based Programming and Embedded System Design” at CSIR-IMMT, Bhubaneswar during 24‐26, October 2025 The Skill Development Program on “Arduino-Based Programming ...