About Electronics docs & calcs
Electrohelper is carefully designed to address the need for electronic engineers and electronics hobbyists in designing an electronic circuit. The app contains the electronic components reference section, electronic...
Electrohelper is carefully designed to address the need for electronic engineers and electronics hobbyists in designing an electronic circuit. The app contains the electronic components reference section, electronic circuit reference section, and electronic circuit calculation section. Tedious electronic circuit calculation such as Butterworth, Sallen-Key, Chebychev, and Bessel filter is made easier with the app. Electronic components section:- - Resistor - Capacitor - Inductor - Transient voltage suppressor(TVS) - Rectifier diode - Signal diode - Zener diode - Bipolar junction transistor(BJT) - Metal oxide field effect transistor(MOSFET) - 555 timer - Operational amplifier (Op-amp) - Arduino boards (arduino uno and arduino nano) - Atmega 328 - Voltage regulator integrated circuit(IC) - Multiplexers - Demultiplexers - Encoders -Decoders - Flip-flops - Counters - Shift registers Electronics calculator section:- - NE555 timer Astable multivibrator - NE555 timer monostable multivibrator - Bipolar junction transistor (BJT) analysos - Inductor winding - Toroidal inductor winding - Transformer winding - Butterworth, Bessel, Chebychev passive filter calculator - Sallen - Key active filter calculator - Inverting, noninverting and difference operational amplifier calculator - Resistor in series calculator - Resistor in parallel calculator - Capacitor in series calculator - Capacitor in parallel calculator - Capacitance of a capacitor calculator - Resistance calculator - Series LRC circuit impedance and reactance calculator - Parallel LRC circuit impedance and reactance - Charging and discharging a capacitor - Charging and discharging an inductor - Polyester film capacitor code - Ceramic capacitor code - Resistor color code - Air core inductor - Voltage divider - Current divider - Ohms law (current, voltage and resistance relation in a circuit) - Delta to star resistor network conversion - Star to delta resistor network conversion - Light emitting diode (LED) resistor calculator - Double pole Sallen - Key - Butterworth filter components value calculator - Surface mounted (SMD) resistor code calculator - Pi, Tee and Bridge attenuator - Radio frequency(RF) calculator - Alternating current (AC) power - Direct current(DC) power
Version History Improved UI and fixed bugs for a smoother experience. 2 06/30/2025 improved the user interface added more features 1.9 05/27/2025 Improved the UI added more tools 1.8 08/20/2024 Added more languages 1.7 01/16/2023 Improved the UI 1.5 06/20/2022 Added dark theme support 1.4 01/29/2022 Improved the app 1.2 10/28/2021 reduced interstitial ads frequency 1.1 10/06/2021 1.0 08/22/2021
Previous Versions
Here you can find the changelog of Electronics docs & calcs since it was posted on our website on 2023-09-05 23:22:10.
The latest version is 2 and it was updated on 2026-06-23 19:19:55. See below the changes in each version.
Electronics docs & calcs version 2
Updated At: 2026-06-02
Changes: Version History Improved UI and fixed bugs for a smoother experience. 2 06/30/2025 improved the user interface added more features 1.9 05/27/2025 Improved the UI added more tools 1.8 08/20/2024 Added more languages 1.7 01/16/2023 Improved the UI 1.5 06/20/2022 Added dark theme support 1.4 01/29/2022 Improved the app 1.2 10/28/2021 reduced interstitial ads frequency 1.1 10/06/2021 1.0 08/22/2021
Electronics docs & calcs version 2
Updated At: 2025-06-30
Changes: Jun 30, 2025
Version 2
Improved UI and fixed bugs for a smoother experience.
Electronics docs & calcs version 2
Updated At: 2025-06-30
Changes: Improved UI and fixed bugs for a smoother experience.
Electronics docs & calcs version 1.9
Updated At: 2025-05-27
Changes: May 27, 2025
Version 1.9
improved the user interface added more features
Electronics docs & calcs version 1.8
Updated At: 2024-08-20
Changes: Aug 20, 2024
Version 1.8
Improved the UI added more tools
Electronics docs & calcs version 1.7
Updated At: 2023-01-16
Changes: Jan 16, 2023
Version 1.7
Added more languages
Disclaimer
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