Content for TM1637

Project  CO2 Display

CO2 Display

“As its name suggests, the CO2 Display project is a small CO2 gas sensor to be plugged into USB to easily track indoor and outdoor pollution. The CO2 level is displayed live, but it is possible with the small application …

Upcycling Dishwasher

“I used an Arduino Nano to fix my dishwasher. Story I had that all-high-voltage oldie dishwasher that stopped working. Its program switch has burned and I could not find the replacement part. But it is a quite good challenge for …

TM1637 Digital Clock with time setup and alarm functionality

“This is a prototype of the time and alarm setup mechanism which I am planning to use in my next digital clock projects.I hope you find it useful.If you think of any improvements please let me know. I …

Room Occupancy Counter

“A device that keeps track of how many people enter and exit a room, and alerts them if there are too many people. With the Coronavirus pandemic still very much a problem, practicing social distancing and staying away from others …

Self-Calibrating USB Voltage/Current Meter

“With a code size of 1KB on an ATtiny13A MCU, this tiny module measures voltages up to 22 volts and current up to 5 amps. There are a lot of so-called “USB doctor” modules which are used for monitoring currents …

Autoadjust Desk Clock with ESP8266

“What about a 7 segment display clock for your desk with auto time adjust? Only 2 componentes and that’s it So you work in your cubicle and knowing the hour is an important deal for commuting. What about a …

MesoTune - Magnetic MIDI Controller

“Are you a music composer, melodist, symphonist or a tunesmith who loves to create their own beats, but got bored with all those push button traditional MIDI Controllers. So, this hardware is for you, as in this instructable we switched …

Talking Clock 2 - New Version (Bilingual: EN-PT)

“This digital clock speaks the time in two languages (English or Portuguese). The Talking Clock 2 (Bilingual) is the new version of Talking Clock I have published some time ago. The code was updated to support two languages (English/Portuguese …

Face Hitting Machine With Sound Effect - Based on Arduino

“A Face Hitting Machine enables you hit those you dislike on the face, even with uplifting slap sound effect. Your decompression artifact. A Face Hitting Machine enables you hit those you dislike on the face, even with uplifting slap sound …

Stopwatch with ATtiny13 and TM1637 LED Module

“A simple stopwatch. If you have 5v power source you do not need to build the LM7805 Voltage regulator circuit as in the drawing.”