So, if you want to regulate LED brightness linearly to your eye, it requires some clever thoughts and adaptations. First, upload the following PWM sketch to your Arduino Uno r3/Nano v3 and connect a ...

Arduino Camping Light * Camping Light with a single push button switch to control the light output between off, dim, medium, and high brightness * Test Configuration: MCU: Arduino UNO R3 IDE ...

The 5mm Blue LED’s are positioned 30mm apart ... bottom right – shown passing through NPN transistors). The Arduino Mega 2560 R3 is positioned on a suspended platform, with the anodes ...

"The railgun's electronics are based around an Arduino Uno R3 [circuit board] which monitors the capacitor voltage, amperage, temperature and battery voltage to ensure even charging and operation ...

The new UNO R4 board comes in two versions, with and without Wi-Fi connectivity, and maintains the form factor, shield compatibility and 5V power supply of the UNO R3. The UNO R4 with its 96 red LED ...