Electronics

Ohm's law, resistor codes, LED calculators, and circuit tools.

208 tools available

555 Timer Calculator (Astable Mode) Calculator
Electronics
555 Timer Calculator (Bistable Mode) Calculator
Electronics
555 Timer Calculator (Frequency Divider) Calculator
Electronics
555 Timer Calculator (Missing Pulse Detector) Calculator
Electronics
555 Timer Calculator (Monostable Mode) Calculator
Electronics
555 Timer Calculator (Pulse Stretcher) Calculator
Electronics
555 Timer Calculator (Schmitt Trigger Mode) Calculator
Electronics
Active Filter Order Calculator Calculator
Electronics
ADC Averaging / Oversampling Tool
Electronics
ADC Resolution Calculator Calculator
Electronics
Air-Core Inductor Calculator Calculator
Electronics
Aliased Frequency Calculator Calculator
Electronics
All-Pass Filter Calculator Calculator
Electronics
Antenna Gain Calculator Calculator
Electronics
Antenna Length Calculator Calculator
Electronics
Antenna Radiation Pattern Visualizer Viewer
Electronics
Anti-Aliasing Filter Order Calculator Calculator
Electronics
Audio Equalizer Calculator Calculator
Electronics
AWG Current Capacity (Ampacity) Tool
Electronics
Band-Pass Filter Calculator Calculator
Electronics
Bandgap Reference Calculator Calculator
Electronics
Battery C-Rate Calculator Calculator
Electronics
Battery Cell Balance Current Calculator Calculator
Electronics
Battery Discharge Time Tool
Electronics
Battery Life Estimator Estimator
Electronics
Battery Series/Parallel Calculator Calculator
Electronics
Binary / Decimal / Hex Converter Converter
Electronics
Bit Error Rate (BER) Calculator Calculator
Electronics
BJT h-Parameters Calculator Calculator
Electronics
BJT Power Dissipation Tool
Electronics
BJT Voltage Divider Bias Calculator Calculator
Electronics
Boost Converter Duty Cycle Converter
Electronics
Boost Converter Duty Cycle Calculator Calculator
Electronics
Buck Converter Calculator Calculator
Electronics
Buck Input Capacitor RMS Current Calculator Calculator
Electronics
Buck Output Inductor Ripple Calculator Calculator
Electronics
Cable Crosstalk Calculator Calculator
Electronics
CAN Bus Termination & Stub Calculator Calculator
Electronics
Capacitive Reactance (Xc) Tool
Electronics
Capacitor Calculator Calculator
Electronics
Capacitor Charge/Discharge Calculator Calculator
Electronics
Capacitor Code Decoder Decoder
Electronics
Chip Select / Address Decoder Calculator
Electronics
Clock Duty Cycle Tool
Electronics
CMOS Inverter Delay Calculator Calculator
Electronics
Coaxial Cable Loss Tool
Electronics
Colpitts Oscillator Calculator Calculator
Electronics
Common Collector (Emitter Follower) Calculator Calculator
Electronics
Common Emitter Amplifier Calculator Calculator
Electronics
CRC Calculator Calculator
Electronics
Crest Factor Tool
Electronics
Crystal Loading Capacitance Calculator Calculator
Electronics
Current Mirror Calculator Calculator
Electronics
DAC Output Calculator Calculator
Electronics
Darlington Pair Calculator Calculator
Electronics
dBm / mW / W / dBW Converter Converter
Electronics
DDR Length-Match Budget Calculator Calculator
Electronics
Decibel Calculator Calculator
Electronics
Delta–Wye (Y) Conversion Calculator
Electronics
Depth of Discharge (DoD) Tool
Electronics
Differential Pair Impedance Calculator Calculator
Electronics
Differential Termination Calculator Calculator
Electronics
Diode Clamp Circuit Calculator Calculator
Electronics
Diode Reverse Recovery Loss Tool
Electronics
Efficiency Calculator Calculator
Electronics
EMI Filter Designer Tool
Electronics
Ethernet PHY Budget Calculator Calculator
Electronics
Eye Diagram Height & Width Calculator Calculator
Electronics
Fan CFM – Airflow Requirement Tool
Electronics
FFT Bin Width Tool
Electronics
FFT Size & Bin Resolution Calculator Calculator
Electronics
FIR Filter Coefficient Quantization Calculator Calculator
Electronics
Flicker Index (Approx) Tool
Electronics
Fourier Series Visualizer Viewer
Electronics
Frequency ↔ Period Tool
Electronics
Frequency ↔ Wavelength Tool
Electronics
Fresnel Zone Calculator Calculator
Electronics
Friis Free-Space Path Loss Calculator Calculator
Electronics
Fuse Size Calculator Calculator
Electronics
Gray Code Converter Converter
Electronics
Hamming Code Calculator Calculator
Electronics
Harmonics Distortion (THD) Tool
Electronics
Hartley Oscillator Calculator Calculator
Electronics
HDMI TMDS Clock Calculator Calculator
Electronics
Heatsink Thermal Resistance Tool
Electronics
Induction Motor Slip Tool
Electronics
Inductive Reactance (XL) Tool
Electronics
Inductor DCR Current-Sense Calculator Calculator
Electronics
Inductor Energy Tool
Electronics
Inrush Current Calculator Calculator
Electronics
I²C Pull-up Resistor Calculator Calculator
Electronics
JFET Self-Bias Calculator Calculator
Electronics
Junction-to-Case Temperature Rise Tool
Electronics
Kirchhoff's Laws Reference Reference
Electronics
kVA ↔ kW Converter Converter
Electronics
LC Resonant Frequency Calculator Calculator
Electronics
Lead-Acid Float / Absorb / Equalize Calculator Calculator
Electronics
LED Matrix Power Calculator Calculator
Electronics
LED Resistor Calculator Calculator
Electronics
LFSR Maximal Period Calculator Calculator
Electronics
Li-ion CC/CV Charge Profile Calculator Calculator
Electronics
Li-ion SOC from OCV Calculator Calculator
Electronics
LLC Resonant Converter Calculator Calculator
Electronics
Load Factor (Electrical) Tool
Electronics
Logic Gate Simulator Tester
Electronics
Microstrip Trace Impedance Calculator Calculator
Electronics
Mixer / Amp IP3 Calculator Calculator
Electronics
MOSFET Body Diode Loss Calculator Calculator
Electronics
MOSFET Gate Charge Loss Tool
Electronics
MOSFET Gate Drive Calculator Calculator
Electronics
Motor Current Estimator Estimator
Electronics
Motor Inrush Current Calculator Calculator
Electronics
Multi-Feedback (MFB) Bandpass Filter Calculator Calculator
Electronics
Noise Figure Calculator Calculator
Electronics
Noise Temperature ↔ Noise Figure Converter Converter
Electronics
Notch Filter (Band-Reject) Calculator Calculator
Electronics
Nyquist Sampling Check Tool
Electronics
Ohm's Law Calculator Calculator
Electronics
Op-Amp Gain Calculator Calculator
Electronics
Op-Amp Offset Error Tool
Electronics
Op-Amp Slew Rate Calculator Calculator
Electronics
Oscillator Frequency Drift Estimator Estimator
Electronics
Oscilloscope Bandwidth - Rise Time Tool
Electronics
Parity Bit Calculator Calculator
Electronics
PCB Stackup Impedance Planner Calculator
Electronics
PCB Thermal Via Array Calculator Calculator
Electronics
PCB Trace Width Calculator Calculator
Electronics
PCB Via Inductance Calculator Calculator
Electronics
Peukert's Law Runtime Tool
Electronics
Phase Noise → Jitter Calculator Calculator
Electronics
Photodiode Sensitivity / TIA Calculator Calculator
Electronics
Pi / T Attenuator Calculator Calculator
Electronics
Pierce Crystal Oscillator Calculator Calculator
Electronics
PLL Loop Filter Calculator Calculator
Electronics
Power Calculator Calculator
Electronics
Power Derating with Temperature Tool
Electronics
Power Factor Calculator Calculator
Electronics
Power Factor Correction Calculator Calculator
Electronics
Power Supply Filter Capacitor Calculator Calculator
Electronics
Propagation Delay (RC) Tool
Electronics
PWM Duty Cycle Tool
Electronics
PWM Frequency Calculator Calculator
Electronics
PWM to Voltage Calculator Calculator
Electronics
Q Factor Calculator Calculator
Electronics
Quantization Error Calculator Calculator
Electronics
Quantization Noise Power Tool
Electronics
Radar Range Equation Calculator Calculator
Electronics
RC Filter Cutoff Tool
Electronics
RC Phase Shift Calculator Calculator
Electronics
RC Rise/Fall Time Tool
Electronics
RC Time Constant Calculator Calculator
Electronics
Receiver Sensitivity Calculator Calculator
Electronics
Rectifier DC Output Calculator Calculator
Electronics
Resistor Color Code Reference
Electronics
Resistor Power Dissipation Tool
Electronics
Return Loss Calculator Calculator
Electronics
RF Link Budget Calculator Calculator
Electronics
Ripple Voltage Calculator Calculator
Electronics
RL Filter Calculator Calculator
Electronics
RMS Calculator Calculator
Electronics
RS-485 Bias & Termination Calculator Calculator
Electronics
Sallen-Key High-Pass Filter Calculator Calculator
Electronics
Sallen-Key Low-Pass Filter Calculator Calculator
Electronics
Schmitt Trigger Threshold Helper Tool
Electronics
SEPIC Converter Calculator Calculator
Electronics
Serpentine Length-Match Calculator Calculator
Electronics
Setup & Hold Time Margin Tool
Electronics
Short-Circuit Current Calculator Calculator
Electronics
Signal Wavelength in Cable Tool
Electronics
Signal-to-Noise Ratio (SNR) Calculator Calculator
Electronics
SINAD ↔ ENOB Calculator Calculator
Electronics
Single-Phase Power Calculator Calculator
Electronics
Skin Depth Calculator Calculator
Electronics
SMPS Efficiency Estimator Estimator
Electronics
Solar Panel Sizing Tool Tool
Electronics
Sound Pressure Level (SPL) Tool
Electronics
SPI Timing Budget Calculator Calculator
Electronics
State-Variable Filter (KHN) Calculator Calculator
Electronics
Stripline Trace Impedance Calculator Calculator
Electronics
Supercapacitor Energy Tool
Electronics
SWR Calculator Calculator
Electronics
Temperature Coefficient Calculator Calculator
Electronics
Thermal Resistance Chain Tool
Electronics
Thermistor Resistance vs Temperature Tool
Electronics
Thermocouple Reference Calculator Calculator
Electronics
Thevenin / Norton Converter Calculator
Electronics
Three-Phase Power Calculator Calculator
Electronics
Total Harmonic Distortion (THD) Tool
Electronics
Transformer Efficiency Tool
Electronics
Transformer Inrush Current Calculator Calculator
Electronics
Transformer Turns Ratio (Dedicated Tool) Tool
Electronics
Transformer Turns Ratio Calculator Calculator
Electronics
Transistor Base Resistor Tool
Electronics
Transmitter Harmonics & Spur Calculator Calculator
Electronics
Twin-T Passive Notch Calculator Calculator
Electronics
Two's Complement Calculator Calculator
Electronics
UART Baud Rate Calculator Calculator
Electronics
UPS Runtime Calculator Calculator
Electronics
USB Power Delivery Profiles Calculator Calculator
Electronics
Voltage Divider Calculator
Electronics
Voltage Drop Calculator Calculator
Electronics
Voltage Unbalance Calculator Calculator
Electronics
Wheatstone Bridge Calculator Calculator
Electronics
Wien Bridge Oscillator Calculator Calculator
Electronics
Wire Gauge Reference Reference
Electronics
Zener Diode Biasing Tool
Electronics
Ćuk Converter Calculator Calculator
Electronics
λ/4 Impedance Matching Stub Calculator Calculator
Electronics