There's an on/off switch on the rear that controls all power to the Arduino and auxilliary components. Numbers are input by using the rotary dial, you can only enter a max of 4 digits and then the ...

Posted in Arduino Hacks, Misc Hacks, Tool Hacks Tagged arduino, kit, oomlout, prototype, switch, video, youtube ← The GO Sequencer Ripsaw MS1 → ...

This is a fork dating from October 2021 of the original repo by nathalis, before it was removed around May 2022. By that time the README had been updated to say that this repo was deprecated in favour ...

“Arduino Self-Timer” project presented here is a low-component count 60 seconds countdown timer. It can be powered from a 9V compact battery or suitable Arduino AC mains adaptor. Working of the ...

The ‘unhackable’ switch, which resembles a MIDI sequencer input, runs on an Arduino Nano Every and uses a relay to directly control the power state. Instead of having one keep-alive button ...

I have been delving (groping blindfold, more accurately) into the Arduino compiler adaptation code to try to determine how it handles the switch-over between its pwm activities, its set-I/O-to-output ...

With Arduino C, small if/then state-machines generally come out smaller a switch/case version. Which ever is chosen, the result is pretty efficient, and the switch/case penalty is rarely greater than ...

Posted in Arduino Hacks, Tool Hacks Tagged arduino, dahlander, DIN rail, high voltage, motor, three-phase ← Happiness Is Just A Flaming Oxy-Fuel Torch Away The Tiny, Awesome Class D Amp → ...

When reed switch is opened, pin 2 of Arduino goes high with the help of the pull-up resistor R2, and the alert signal is available through the piezo-speaker PZ1 (not an active piezo-buzzer). At the ...