Electronics Area https://electronicsarea.com Electrical and Electronics Tutorials and Circuits Sat, 02 May 2026 19:24:28 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.26 Capacitor – Charge, Voltage & Capacitance https://electronicsarea.com/what-is-capacitor/ https://electronicsarea.com/what-is-capacitor/#respond Thu, 30 Apr 2026 14:44:06 +0000 http://electronicsarea.com/?p=44 The capacitor is a device made of 2 metal plates separated by an insulator or dielectric. The charge, voltage, and capacitance relationship. Measurement units

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The post Capacitor – Charge, Voltage & Capacitance appeared first on Electronics Area.

]]> https://electronicsarea.com/what-is-capacitor/feed/ 0 Electrolytic Capacitor https://electronicsarea.com/electrolytic-capacitor/ https://electronicsarea.com/electrolytic-capacitor/#respond Thu, 23 Apr 2026 00:24:30 +0000 http://electronicsarea.com/?p=33 The electrolytic capacitor has been developed to achieve large capacities in small physical dimensions. To achieve this, a special dielectric is used.

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The post Electrolytic Capacitor appeared first on Electronics Area.

]]> https://electronicsarea.com/electrolytic-capacitor/feed/ 0 Logic Probe using two transistors https://electronicsarea.com/logic-probe-using-two-transistors/ https://electronicsarea.com/logic-probe-using-two-transistors/#respond Mon, 06 Apr 2026 17:55:14 +0000 http://electronicsarea.com/?p=3470 This Logic Probe is a simple circuit implemented using two NPN bipolar transistors (T1, T2) in a Darlington configuration

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The post Logic Probe using two transistors appeared first on Electronics Area.

]]> https://electronicsarea.com/logic-probe-using-two-transistors/feed/ 0 PWM – What is Pulse Width Modulation? https://electronicsarea.com/pulse-width-modulation-pwm/ https://electronicsarea.com/pulse-width-modulation-pwm/#respond Fri, 16 May 2025 17:14:30 +0000 https://electronicsarea.com/?p=9205 PWM (Pulse Width Modulation) is a technique used to control the width of a digital signal in order to adjust the power delivered to certain devices.

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The post PWM – What is Pulse Width Modulation? appeared first on Electronics Area.

]]> https://electronicsarea.com/pulse-width-modulation-pwm/feed/ 0 High-Speed Electronic Fuse for Solid-state Circuits https://electronicsarea.com/high-speed-electronic-fuse/ https://electronicsarea.com/high-speed-electronic-fuse/#respond Sun, 11 May 2025 21:14:53 +0000 https://electronicsarea.com/?p=9198 The high-speed electronic fuse circuit operates in nearly one-hundredth of a microsecond, making it faster than an ordinary fuse.

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The post High-Speed Electronic Fuse for Solid-state Circuits appeared first on Electronics Area.

]]> https://electronicsarea.com/high-speed-electronic-fuse/feed/ 0 Current-limited 6 V Battery Charger https://electronicsarea.com/current-limited-6-v-battery-charger/ https://electronicsarea.com/current-limited-6-v-battery-charger/#respond Thu, 08 May 2025 17:45:31 +0000 https://electronicsarea.com/?p=9175 This current-limited 6V battery charger uses the well-known LM317T regulator to control the maximum current at which a 6-volt battery can be charged.

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The post Current-limited 6 V Battery Charger appeared first on Electronics Area.

]]> https://electronicsarea.com/current-limited-6-v-battery-charger/feed/ 0 How do I test a Zener diode? – A simple method https://electronicsarea.com/how-test-zener-diode/ https://electronicsarea.com/how-test-zener-diode/#respond Tue, 12 Nov 2024 16:52:44 +0000 https://electronicsarea.com/?p=9153 Procedure to be followed when testing Zener diodes. How to find the voltage of an unknown zener diode

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The post How do I test a Zener diode? – A simple method appeared first on Electronics Area.

]]> https://electronicsarea.com/how-test-zener-diode/feed/ 0 Equivalent transformer circuits (power, audio, video and RF) https://electronicsarea.com/equivalent-transformer-circuits/ https://electronicsarea.com/equivalent-transformer-circuits/#respond Thu, 31 Oct 2024 18:28:32 +0000 https://electronicsarea.com/?p=9144 Equivalent transformer circuits (power, audio, video and RF). Normally, in the designs and analysis where transformers are used, it is very common to use the characteristics of the transformer as if it were an ideal transformer.

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The post Equivalent transformer circuits (power, audio, video and RF) appeared first on Electronics Area.

]]> https://electronicsarea.com/equivalent-transformer-circuits/feed/ 0 Wirewound Resistor https://electronicsarea.com/wirewound-resistor/ https://electronicsarea.com/wirewound-resistor/#respond Fri, 12 Jul 2024 16:07:24 +0000 http://electronicsarea.com/?p=20 A wirewound resistor is used when the power to be dissipated is very high. A wire wound resistor is usually coated with a layer of vitreous enamel.

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The post Wirewound Resistor appeared first on Electronics Area.

]]> https://electronicsarea.com/wirewound-resistor/feed/ 0 Light detector circuit using LDR (automatic night light) https://electronicsarea.com/light-detector-circuit-ldr/ https://electronicsarea.com/light-detector-circuit-ldr/#respond Fri, 28 Jun 2024 17:41:38 +0000 http://electronicsarea.com/?p=1912 This circuit activates a lighting device through a relay when the intensity of daylight is no longer sufficient. Good for illuminating the main entrance of the house, a display case that needs to be kept lit at night, an unsafe area at night, etc.

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The post Light detector circuit using LDR (automatic night light) appeared first on Electronics Area.

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