Posted in Arduino Hacks, Raspberry Pi Tagged 328p Atmega, arduino, Due, i2c, Logic-level signaling, mega, raspberry pi, serial, spi, uno Simple, Cheap Nitrate Tester Is Open Source August 11, 2015 ...

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 ...

The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52 .

Amongst a flurry of announcements at Maker Faire Bay Area, Arduino has introduced an easy-to-use FPGA board and a re-boot of Uno Wi-Fi, using a new ATmega processor. FPGA MKR Vidor 4000 is the ...

The Arduino Uno R4 is to have a Renesas RA4M1 32-bit Arm Cortex-M4 microcontroller, and there are “no plans to discontinue the popular Uno R3” , according to Arduino, which estimates that R4 will ...