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Project 2: Free Energy? Charge Your Mobile Phone with Hands
Introduction: Wanna charge your phone in the apocalypse? Maybe my hand crank generator can help you.
Hardware components:
Project 3: How to make a Fingerprint ID Nerf Gun
My initial plans were to have the Arduino on the side with the power-pack and have the fingerprint ID scanner on the left side of the gun so that it can read the thumb print
Hardware components:
Arduino Nano
Fingerprint Scanner
9g 180° Micro Servo
Project 4. How to make a Smart Rock-Paper-Scissors Game Robot
When finishing reading this tutorial, you will find those very simple devices, principles and technologies can help you build very interesting equipment.
Hardware list:
Project 5. FireBeetle Board-ESP32 Tutorials: Reforming a Small electric Fan
The instrument not just can record steps (and calories) at real time, but show time. What is special is that the format of showing is pointer.
Hardware in need:
Hardware components:
Project 8: micro:bit Laser Target
The ambient light sensor sensor detects the intensity of the laser pointer. If it is greater than 400, it will sound the buzzer and the servo will make the target fall and up. Game over when it reaches 10. Press A to reset score to 0.
Hardware components: