电子发烧友 vs Electronics docs & calcs Utilisation & Stats
电子发烧友网APP是提供电子产业资讯、电子工具以及电子工程师问答社区。
主要功能有：最新电子新闻、电子工程师社区、开发板试用、pdf datasheet资料查询、电子发烧友学院和直播等。
APP目前主要提供四大块功能：
1、动态：可以发图文，和志同道合的朋友分享优质内容链接，关注行业最新动态，随时随地发表点滴感悟。
2、业界，我们可以了解最新的电子行业资讯和技术方案。
3、直播：聆听行家里手分享，支持预先提问，面对面快速答疑解惑，为进阶知识技能按上快进键，立即成为职场和技能双料达人。
4、发现：无论新老用户，都能在探索发现中获得我们提供的独特知识与价值
- Apple App Store
- Gratuit
- Référence
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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
- Apple App Store
- Gratuit
- Éducation
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电子发烧友 VS. 
Electronics docs & calcsjanvier 20, 2026