Other
“I’m a mechanical engineer by trade, I design and sell really big custom HVAC units, but for a hobby, I really enjoy playing around with microcontrollers. I am not a trained or schooled programmer, my style is a bit …
“Speed up the etching of printed circuit boards with an easy to build agitator. I make a lot of my own printed circuit boards and etching was always a bit of a chore since you really need to keep the …
“I call it the C041D-2020 I made this during the second COVID lockdown in UK, from ideas borrowed from about 5 other projects I found here on Instructables and also on Youtube. As you can see from the video …
“In 1969, Sharp introduced the first calculator built from high-density MOS chips, the QT-8D, followed by the handheld Sharp EL-8, the world’s smallest calculator at the time.1 These calculators were high-end products, selling for $345 (about …
“Analog servos require the pulse-width to change by up to 10 microseconds before they start to move. This represents an error of almost 2 degrees. [1] This instructable explains how to significantly reduce the deadband errors in the servo plotter …
“The idea of making a VU meter has been on my project list for a long time. And finally I can make it now. The VU meter is a circuit for an indicator of the audio signal strength. The VU …
“Cute snowflake-shaped ornament with programmable LED sequence. Black solder mask and HASL finish complement this relatively small snowflake-shaped PCB. Powered by CR1220 3V battery in combination with ATtiny13 for easy LED sequencing. ISP pads are available to re-program the 6 …
“I was inspired by obstacle avoidance car’s servo’s motion, I thought that it’s motion could be used as sonar’s acutator ! Hello everyone, I was suggested to make a obstacle avoidance car but I thought it to …
“Arduino stopwatch and lap timer with excelent accuracy and responsiveness! Stopwatches are very useful in several applications and made by yourself using an Arduino, it is really more interesting! This project is really simple, easy to be assembled using few …
“Your doctor might tell you “don’t take that with a pinch of salt; you have Hypertension”. Sounds funny, but also serious like heart attack. Introduction The Silent Killer is how people in the medical field refer to High Blood …