This product is a Super Capacitor RTC(Real Time Clock) and custom engineered for Raspberry Pi, but also it can be used with Arduino. Modul can be plugged to Raspberry Pi GPIO pins directly. No other connections needed. Features:
0.22F Super Capacitor
Quite Small
Operating Range:3.3V ~5V
Compatible with Raspberry Pi and Arduino
Compatible with Raspberry Pi B/A+/B+/2/3
Based on DS3231 RTC
Communicate via I2C
Dimensions: 14x16x12 mm
Weight: 16g
Pin Structure: As you see in the image, RTC Board can be plugged to Raspberry Pi directly. If user wnats to use it with Arduino, pin connections should be as shown in the below: Starting with 1. pin: VCC (3.3V-5V)-SDA-SCL-NC (No connection)-GND Documents:
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