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 ...

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.

The magic of the shift register The shift register is an easy-to-manage component. We will dedicate a series of articles illustrating applications giving us the opportunity to develop circuits using ...

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 ...

In regard to the arduino firmware it's basically an state machine that scans input switches and send the corresponding MIDI CC# parameter, toggling the sent value every time switch is activated. 0x00 ...

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… ...

Arduino has announced the new UNO R4 board family for prototyping and learning. The new models feature a faster microcontroller, a USB-C connector, improved power, Wi-Fi and Bluetooth LE, and more.

The release of the next-generation UNO board by Arduino represents a considerable upgrade to its 8-bit technology. The new UNO R4 is powered by a 32-bit microcontroller and is available in two ...

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 ...