Circuit Documentation
Summary
This document provides a detailed overview of a circuit that includes a Raspberry Pi 4B, an R307 fingerprint sensor, and a buzzer. The Raspberry Pi 4B serves as the central processing unit, interfacing with the R307 fingerprint sensor and controlling the buzzer. The document includes a component list, wiring details, and code documentation.
Component List
Raspberry Pi 4B
- Description: A powerful single-board computer used for various applications.
- Pins: 3V3, 5V, GPIO2, GPIO3, GND, GPIO4, GPIO14, GPIO15, GPIO17, GPIO18, GPIO27, GPIO22, GPIO23, GPIO24, GPIO10, GPIO9, GPIO25, GPIO11, GPIO8, GPIO7, ID_SD, GPIO5, GPIO6, GPIO12, GPIO13, GPIO19, GPIO16, GPIO26, GPIO20, GPIO21, ID_SC, TR01_TAP, TR00_TAP, TR03_TAP, TR02_TAP, RUN, GLOBAL_EN, ETH, HDMI 0, HDMI 1, CAMERA, AV
R307 Fingerprint Sensor
- Description: A fingerprint sensor module used for biometric authentication.
- Pins: VCC, RX, TX, GND
Buzzer
- Description: An audio signaling device.
- Pins: PIN, GND
Comment
- Description: Placeholder for comments or notes in the circuit.
- Pins: None
Wiring Details
Raspberry Pi 4B
- GND is connected to GND of the Buzzer.
- GPIO9 is connected to PIN of the Buzzer.
R307 Fingerprint Sensor
- No connections specified in the provided net list.
Buzzer
- GND is connected to GND of the Raspberry Pi 4B.
- PIN is connected to GPIO9 of the Raspberry Pi 4B.
Code Documentation
No code is provided for this circuit.
This document provides a comprehensive overview of the circuit, including the components used, their descriptions, and the wiring details. The Raspberry Pi 4B serves as the central unit, interfacing with the buzzer. The R307 fingerprint sensor is included but not connected in the provided net list.