Well, it is a Real Time Clock (RTC) IC that is simple to use, low cost and easy available. The IC basically is able to count the date and time accurately and it will continue its counting if the ...

Arduino Uno R4 WiFi comes with built-in Wi-Fi and Bluetooth capabilities, ... is for grounding your circuit. The VRTC pin is meant to be a power pin for the R4 WiFi's onboard Real Time Clock (RTC).

It offers 76 GPIO pins, accessible from underneath for easy project expansion. Notably, it operates at 3.3V. Additional pins include a VRTC for RTC battery connection and an OFF pin for powering ...

Enter the ExtraCore library for Arduino, a software library that turns two or more Arduinos into a multi-core microcontroller with more pins than you’ll ever need.

The Arduino Nano and Raspberry Pi Pico have distinct pin configurations. The Nano includes 14 digital pins (for both digital input and digital output components) and eight analog pins.

Bluetooth LE is v5.0 and up to 2Mbit/s – “it has the option to scan and advertise simultaneously, as well as supporting multiple connections in peripheral/central mode”, said Arduino. IO is 3.3V.

– Newt hardware is compatible with open-source Arduino libraries for ESP32-S2, Adafruit GFX (fonts), Adafruit Sharp Memory Display (display writing), and RTC RV-3028-C7 (RTC) ...