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 ...

you can replace them with bigger LEDs or even a light bulb (paired with a relay for the Arduino Uno). Try a toggle switch instead, so you won't have to keep your hands on the push button.

In our case Arduino UNO has 2 external interrupts ... because I had no idea what to do when the number is higher than 255 but probably we can flash all leds a few times and then reset it to 0. In this ...

This DIY gas leakage detector is designed for educational and basic monitoring purposes. For critical safety applications, ...

[Credit: Djandco on Instructables] The Look of Disapproval (made using the unicode character for the letter “tha” in the Indian language of Kannada and an underscore) is possibly my favorite ...

The Uno Rev3 is priced at $27.60 ... which is readily programmable using the Arduino_LED_Matrix library. This feature can come in handy in various Arduino projects where you need to display ...

Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer. We like how [newsonator] wired up the LEDs to the Arduino by ...

The Arduino UNO R4 Minima comes equipped with the RA4M1 ... the UNO R4 WiFi introduces a built-in 12×8 LED matrix, a Qwiic connector, and a VRTC and OFF pin. In terms of wireless connectivity ...

When you read “Arduino wristwatch”, you fall into the trap of envisioning an Arduino UNO clumsily strapped to ... holds two surface mount ICs and 12 LEDs. The whole thing looks nice fit ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...