The Nano board weighs around 7 grams with dimensions of 4.5 cms to 1.8 cms (L to B). It doesn't look normal. Arduino-nano-pinout. It has more or less the same functionality of the Arduino Duemilanove, but in a different package. The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). So that should be safe, safer than your method with Vin anyway. It lacks only a DC power jack, and works with a … With the VIN pin you can supply the Arduino Nano with a voltage between 7V-12V to run the microcontroller on battery for example. ... Vin: This pin can be used to power the board with a DC voltage source. The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Arduino Nano 3.x). For the Ardrino nano the documentation clearly says "6-20V unregulated external power supply (pin 30)", but I don't see any such documentation for the Nano 33 IoT. You can close the circuit with two ground pins. it depends on the power dissipation limits (and to a less extent the current limit) on the regulator. If it is 20 mA or less then the Arduino digital pin can handle that. My problem is I'm getting only 4.2V on the 5V pin. All three power pins provide a maximum currency of 50 mA. That is 5 volt battery or power adapter can be connected to the Arduino NANO to deliver power through this pin. This pin is an INPUT. The Arduino Nano 33 BLE is a completely new board on a well-known form factor. It lacks only a DC power jack, and works with a … the power dissipation is determined by the load your arduino and its loads draw, and the voltage dropout on the regulator. The Arduino Nano Every is an evolution of the traditional Arduino Nano board but features a lot more powerful processor, the ATMega4809. What is the max current of the Arduino Nano's Vin (30) and 5V (27) pins? The Nano has one 3.3V and two 5V power pins of which one is the VIN pin. I'm using Arduino Nano to measure temperature with a 10 kohm thermistor and a voltage divider. What is the acceptable range for Vin voltage for the Ardrino Nano 33 IoT Board? The last pin called the Vin pin is used to connect power supply to the Arduino NANO. The power is supplied via a USB cable from a desktop PC. The Arduino Nano accepts the 7-12 Volt input power not from the USB port, but from the Vin pin (pin30), see the diagram below: If you want to supply regulated power, then a 5 Volt regulated adapter needs to feed the +5V pin (pin27) instead. If the power is fed through this pin, the USB power source is disconnected. The Arduino Nano, as the name suggests is a compact, complete and bread-board friendly microcontroller board. I just measured my flash shoe with that method, and it seems to use a tiny fraction of current (0.1 mA). I measured the output voltage of a USB port on the PC and it was around 4.5V. Arduino NANO Vin Pin: Let us now discuss the Vin pins of the Arduino NANO board. It comes with an embedded 9 axis inertial sensor what makes this board ideal for wearable devices, but also for a large range of scientific experiments in the need of short-distance wireless communication. I imagine it will be a steady flow of current. ; 5V is the regulated power supply voltage of the nano board and it is used to give the supply to the board as well as components. It has more or less the same functionality of the Arduino Duemilanove, but in a different package. Arduino Nano Pinout. Power Pin (Vin, 3.3V, 5V, GND): These pins are power pins Vin is the input voltage of the board, and it is used when an external power source is used from 7V to 12V.