Is a security and access control system for dangerous machinery in fablab environments, specifically designed to ensure user safety and responsible use of equipment such as saws, laser cutters, and other high-risk tools. The system uses a fingerprint reader to authorize access, controls the power on/off of machines via a relay, and sends real-time notifications through Telegram to inform about usage, access time, and machine status. Additionally, it includes an inactivity timer that notifies the user if the machine has been on for an extended period and allows remote or fingerprint-based shutdown.

Benefits:

• ✔️ Safety: Only authorized users can operate the machines.
• ✔️ Control: Real-time logging of who uses each machine and when.
• ✔️ Accident prevention: Automatic shutdown in case of prolonged inactivity.
• ✔️ Notifications: Instant alerts via Telegram for supervisors and users.
• ✔️ Adaptability: Easy integration with different types of machines and fablab environments.

Components List:

• ESP32-S3: Microcontroller for system logic and Wi-Fi communication.
• Fingerprint Sensor Module (R307 or FPM10A): For user authentication.
• Solid State Relay (SSR): To control the power supply of the machine.
• Current Sensor (ACS712): Optional, to detect if the machine is physically on or off.
• LCD Display (16x2 or 20x4): To show messages like "Access Granted" or "Machine On".
• Power Supply (5V or 12V): To power the ESP32, fingerprint sensor, and relay.
• Emergency Button: Optional, for manual shutdown in case of emergencies.
• Enclosure: To protect the system and give it a professional look.
• Jumper Wires and Breadboard: For prototyping.
• Telegram Bot: For sending notifications to users and supervisors.