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Power Pins Pin 16 – VCC: +5V Supply
I2C / SPI Character LCD Backpack
Capacitor 1µF 50V
PWM functionality
RFID USB Reader (125khz ) ID A4988 Stepper Motor Driver (2A) Power Pins Pin 16 –Product Description This 125KHz RFID USB Reader is a compact and reliable device designed for reading low frequency RFID cards such as EM4100 and EM4200. It operates in read only mode, making it ideal for applications like access control, attendance systems, and ID verification. The device features plug and play USB connectivity, requiring no driver installation. Once connected, it works as a keyboard output device (HID), automatically sending the
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