The DFRduino Nano USB Microcontroller V3.1 (ATMega 328) is a breadboard ready version of the " Arduino mini" with integrated USB. The "Arduino Nano" has everything that the Diecimila has (electronically) with more analog input pins and an on-board +5V AREF jumper. The "Arduino Nano" automatically senses and switches to the higher power supply, so there is no need for a power select jumper. The nano's pin layout works well with the Mini or the Basic Stamp (TX, RX, ATN, GND on one top, power and ground on the other). The DFRobot DFRduino Nano USB Microcontroller V3.1 (ATMega 328) can be powered via the mini-B USB connection, 6-20V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source. DFRduino Nano Projects:Project 1. How to Make a Running Heart Alarm T-shirtA DIY heart-rate wearable in a running t-shirt that vibrates when your heart-rate is high, using DFROBOT components.Component List:DFRduino Nanovibration motor module for arduinobeetleheart rate monitor sensor for arduinoProject 2. A Good Idea to Express Your LoveHow to make a great product to express your love? Today we teach you to make a gift to help you express your love, learn now!Component List:1. An empty perfume bottle x 12. DFRduino Nano x 13. 8 x 8 LED Matrix x 14. 9v battery connector x 15. 9v battery x 16. Magnetron x 17. Magnet x 1 Project 3: How to make a Fingerprint ID Nerf Gun My initial plans were to have the DFRduino Nano 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 thumbprintHardware components:DFRduino NanoFingerprint Scanner9g 180° Micro Servo Project 4: How to Make Fingerprint Lock for Your ComputerHardware components: DFRduino Nano Fingerprint Scanner Digital 10A Relay Module Version History v3.0 - improved the analog port pin mapping to be compatible with the original "Arduino Nano" v3.1 - changed the Mini USB port to Micro USB port
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