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99 projects
441
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Portable Tiny-Music Maker based around M5ATOM and a custom enclosure.
Project Owner Contributor

HitPad

arnov-sharmaArnov Sharma

1.6k
4
8
What happens when you replace the resistor and capacitor of an RC sawtooth oscillator with a reverse biased LED?
Project Owner Contributor

Cadmium-free Light Sensitive Sawtooth Oscillator

bornachbornach

263
1
1
I just made a liquid-repellent keyboard using Arduino and a gyro sensor.
Project Owner Contributor

Liquid Repellent Keyboard

tinandjartinandjar

342
0
0
This project simulates a double pendulum, a simple system with complex dynamics and high sensitivity to initial conditions.
Project Owner Contributor

Interactive Double Pendulum Playground

abhishek-choudharyAbhishek Choudhary

299
0
0
Full-bridge rectifier using base-collector PN junction
Project Owner Contributor

TRANSISTOR BRIDGE

taurai-mirimiTaurai Mirimi

301
2
2
3 XOR gates of the troubled CD4030A serve as a VCO with wide frequency range and noisy, intermittent, chaotic behavior at low frequencies.
Project Owner Contributor

Abused XOR Periodic and Chaotic Oscillator

adrian-freedAdrian Freed

761
2
2
using an electret capsule as a speaker to calibrate another microphone
Project Owner Contributor

microphone as a speaker .. to cal microphones

deepsoicDeepSOIC

401
1
1
Most of us have already seen the gas detection system that is found in the ceiling of the office! Well this works in the similar way!
Project Owner Contributor

Arduino Gas Leakage and Flame Detection With Alert

jeevJeev

2.4k
18
20
Measurement of wind speed and direction through two load cells.
Project Owner Contributor

Load Cell Wind Anenometer

blanchard-jordanBLANCHARD Jordan

2.7k
4
4
Using base-emitter junction on NPN BJT transistor instead of NTC
Project Owner Contributor

Transistor instead of thermosensor? Sure!

aleksei-tertychnyiAleksei Tertychnyi

2.2k
3
4
I have built a circuit with two PTC fuses rated for 100 mA plus two 6V/100mA incandescent bulbs and two push-button switches.
Project Owner Contributor

The PTC flip-flop

bkainkab.kainka

418
173
2
Morse Master is a Morse Code translator device in which we can input Morse code using a web application or manually via a push button.
Project Owner Contributor

Morse Master

arnov-sharmaArnov Sharma

1.6k
5
2
Using standard 4000 series ICs to build ternary circuits
Project Owner Contributor

Ternary abuse of CMOS logic

shaosSHAOS

1.3k
1
6
Data transmission using an LED as a photodiode
Project Owner Contributor

Better Than Bluetooth

nickNick

3k
8
7
Analysis of a RGB LED string and recreating its functionality
Project Owner Contributor

Powerline Controlled LED Strings

timTim

1.8k
3
8
Mistreating an LM3909 and a 7473 to test diodes - a recreation of a 40 year old device.
Project Owner Contributor

The IC abusing diode tester

joseph-eoffJoseph Eoff

1.9k
1
1
Abusing BJT B-E junctions as zeners
Project Owner Contributor

Ersatz zeners

ken-yapKen Yap

210
0
0
Trying to generate many musical tones from a single atmega at the same time.
Project Owner Contributor

One chip square wave harp

robsoncoutoRobsonCouto

6.1k
11
18
This project re-purposes a cable as a voltage boosting device
Project Owner Contributor

Boosting voltage with a cable

craig-dCraig D

1.3k
6
6
Using resistors as heat sources to reflow solder is a lightweight electrical+mechanical connection for modular robots, with no problems
Project Owner Contributor

Low melt solder connected robots

mianamiana

2.8k
10
9
Keep your resin at the right temperature with this USB-PD powered vat heater featuring ESP32 control, dual channels, and fan support.
Project Owner Contributor

Vat Heater for Resin 3D Printers

dimitarDimitar

757
1
1
Design and build of a low capacitance isolated gate driver supply for SiC FETs.
Project Owner Contributor

Isolated Gate driver supply

stephenStephen

7k
2
15
Cook your hot dogs and test your LEDs at the same time with this convienent, safe-ish LED tester!
Project Owner Contributor

100% "Safe" 120VAC LED tester

ian-dunnIan Dunn

284
0
1
Made an RGB USB Drive that is modeled after Ryomen Sukuna, completely from PCBs.
Project Owner Contributor

Thumb Drive- Ryomen Sukuna Edition

arnov-sharmaArnov Sharma

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