Electronics Engineer Helper
Calculators and references
| Revenue % | ||||
|---|---|---|---|---|
| Annual · 1 month trial | 175 | $2.59 – $4.93 | ||
| One-time purchase | 175 | $6.99 – $12.74 |
| Revenue % | Top products | |
|---|---|---|
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Description
Digital toolbox for electronics engineers and electricians. Calculators and references for beginners and professionals — for work, study, DIY, and repair. Used by over 100,000 users. Completely ad-free.
Included tools:
Datasheet search
Resistor color and digit marking (4, 5 and 6 band color code; 2 symbols, 3/4 digit and EIA-96 code SMD resistors code)
Electronic schematic symbols (IEC 60617, IEEE 315 and GOST standards)
Pinouts Guide (DVI, USB, Display Port, VGA, HDMI, Thunderbolt, Apple, RS-232/422/485, ATX, RCA, MIDI, XLR, Audio Jack, Arduino, Orange Pi, STM32, ESP32, and Raspberry Pi)
Ohm's law calculator
AWG converter (wire diameter, cross-section area, resistance and maximum current)
Resistor for LED
Voltage divider
Capacitor code
Capacitor markings
Capacitor ESR tables
Frequency response curve calculation of passive filters (RC, RL, RLC, LC)
Inductor color code
Linear current regulator
SMD packages list
Reactance
PCB trace resistance
Active, apparent and reactive power
555 waveform generator
Operational amplifiers
RLC circuit
Number conversion
Unit converter
Cable voltage drop
NTC thermistor resistance
Logic gates
RC circuit
Decibels calculator
25-pair cable color code
Fuse color marking
Additionally, by purchasing the PRO version of the app, you will get access to additional tools:
SMD components marking codes
Diodes color code (Pro Electron, JEDEC and JIS-C-7012 standards)
Linear voltage regulator
Resistor value to color marking converter
Voltage rectifier
Series or parallel electrical components' connection calculator
Diode voltage drop
Minimum PCB trace width
Analog to digital conversion
Attenuators
4-20 mA signal converter
Thermocouple calculator
Resistance thermometer
Buck switching voltage regulator
Wire resistance
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