Electronics Tools
Browse free, browser-based Electronics Tools. Use them instantly with no account.
Electronics Tools
LED Resistor Calculator
Calculate a safe series resistor and power rating for LEDs.
Electronics ToolsOhm’s Law Calculator
Calculate voltage, current, resistance, and power from any two values.
Electronics ToolsResistor Color-Code Calculator
Decode four-band and five-band resistor color markings.
Electronics ToolsThree-Oscillator Sound Generator
Combine three oscillators with fine tuning and LFO pitch or volume modulation.