Also of note is the fact that this board’s digital input/outputs (I/Os) switch between 0 V and 5 V, as compared with most of the newer Arduino offerings, which switch between 0 V and 3.3 V. This is ...

Composed of 3/4 inch thick MDF and 1/8 inch thick polycarbonate, the Arduino Strain Relief enclosure is sure to be a hit for every hacker’s work bench. [Jeremy] used a CNC router to cut the ...

Startup code for the Arduino UNO R4 boards (RA4M1 processor) to change from the internal HOCO clock to an external XTAL for the main processor functions. The USB interface remains on the HOCO clock.

Original Circuit Diagram: Arduino UNO R3 Now, have a look at our favorite Arduino UNO to find out the AVR chip inside. It is ATMega328P-PU, a low-power version of the traditional ATMega328-PU. The P ...

Some things are better together: me and my wife, peanut butter and jelly, and FPGAs and Arduino Unos. Veteran hacker [Valentin Angelovski] seems to agree: the FleaFPGA Uno is his latest creation th… ...

The Arduino Uno R4 Minima. But the real difference that will have users squealing in delight is that the R4’s microcontroller is a RA4M1 from Renesas. This little rascal is based on a 32-bit Arm ...