Am I doing something wrong here? I thought that "VIN" pins served the same function as USB connections to a computer (power-wise that is), but I pumped 3.3V into my Nano 33
How to power my Arduino Nano with a battery - Quora
Pro mini improved ATMEGA328P / 168 chip 5V / 16M 3.3v / 8M electronic blocks for arduino|Integrated Circuits| - AliExpress
Arduino Quad DC Motor Driver Shield - DFRobot
Cheating At 5V WS2812 Control To Use 3.3V Data | Hackaday
Massduino Uno Lite Lc Md-328d R3 5v 3.3v Development Board For Arduino R3 Compatible Low Cost High Performance 10 12 16bit Adc - Automation Modules - AliExpress
SparkFun Breadboard Power Supply 5V/3.3V - PRT-00114 - SparkFun Electronics
Pinouts | Introducing Trinket | Adafruit Learning System
Simple Low Voltage Disconnect Circuit for Arduino - Home Circuits
Rugged Circuits Ruggeduino-ET — Rugged CircuitsRugged Industrial Arduino Microcontrollers
Can I use a 3.7V battery for a 3.3V board? - General Electronics - Arduino Forum
Does the MPU9250 require a 5 to 3.3 V level shifter when used with Arduino Uno? - Electrical Engineering Stack Exchange
Logic Level Shifter Converter 8 Channel for Arduino Raspberry Pi Module 5v 3.3v | eBay
MassDuino UNO LC Lite MD-328D R3 5V 3.3V Development Board
3.3V Conversion | Arduino Tips, Tricks, and Techniques | Adafruit Learning System
Amazon.com: OSOYOO Pro Micro ATmega32U4 5V/16MHz Module Board with 2 Row pin Header Replace with ATmega328 Pro Mini for Arduino : Electronics
BUONO UNO LC ATMega328P R3 5V 3.3V Development | Hackaday.io
Nano shield power pin: 3V3 with 5V? - General Electronics - Arduino Forum
Massduino Uno R3 Lc Md-328d 5v 3.3v Development Board For Arduino Compatible Low Cost High Performance 10 12 16bit Adc Inhaos - Demo Board Accessories - AliExpress
Ruggeduino-ET ST "Screw Terminal" — Rugged CircuitsRugged Arduino
Question about a level converter - General Electronics - Arduino Forum
Hc-sr04 Plus Ultrasonic Sensor Module Hc-sr04+ For Arduino Ultrasonic Distance Measuring Board 3.3v 3.5v Electronic Diy Pcb - Sensors - AliExpress
