Exposes 4 pins (SDA, SCL, 5V, GND) for easy daisy-chaining of OLED screens, RTC modules, and gyro sensors.
I2C, SPI, UART (Serial), Bluetooth, APC220, SD Card, LCD (Parallel & Serial) Onboard Power LED and Reset Button Hardware Layout and Pinout Breakdown arduino sensor shield v5 0 manual
Remove the SEL jumper and connect an external power source to the shield's screw terminal. Issue 2: Sensors are returning erratic or random values Cause: Loose jumper connections or a shared ground issue. Exposes 4 pins (SDA, SCL, 5V, GND) for