Tools for Electronics Enthusiasts
53 toolsCalculators and simulators for electronics projects. Ohm's law, resistor color codes, PCB trace width, 555 timer circuits, LED calculations, and interactive circuit simulation.
Compass
Browser compass with true north corrected for declination, bearing hold, a sighting mode and an honest accuracy figure.
RPM Meter
Five ways to read rotation speed: by sound, by a marker in the camera, by the phone's gyroscope, by screen strobe and by a printable strobe disc. Plus lamp flicker and PWM.
Dummy File Generator
Generate dummy files of any size from 1 KB to 10 GB. Zero, random, text or pattern bytes, custom extension, instant browser download.
Sine Sweep WAV Generator
Generate log or linear sine sweep WAV files for REW, ARTA and room measurement. 20 Hz–20 kHz, 44.1/48/96 kHz, 16/24-bit, full channel routing.
TV Test Pattern Generator
TV calibration patterns for projectors and displays — SMPTE bars, PLUGE, grayscale, focus star, HDR window, overscan. PNG up to 8K plus MP4 loops.
