ICL7107 PANEL METER

This is a 3½ digit panel meter circuit using ICl7107 IC. Its voltage  range is 20V. But you can change it to 200mV, 2V, 20V and 200V.

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Precision 1Hz clock generator circuit

This is 1 Hertz clock generator circuit using 32.768Khz crystal, CD4060 and CD4013 ICs. Our circuit base on crystal oscillator. So we can get very accurate and stable output. That can use for clock, timers and many projects.

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Toggle to Momentary Switch Using 555 Monostable

This is a toggle switch to momentary (latch to push button)  switch converter. Most of the time we need momentary to toggle switch. But sometime we need to convert some latch signal to momentary signal. This circuit base on 555 timer IC and it uses monostable mode.

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Accurate 1 kHz Square Wave Crystal Oscillator Circuit

Accurate 1 kilohertz square wave frequency generator schematic

This is a simple, accurate 1 kHz square wave crystal oscillator circuit using frequency divider IC and crystal.

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DIY simple low voltage dual power amplifier circuit TDA2822M

This is a simple low voltage stereo power amplifier circuit using single 8 pins IC. You can easily operate it using two battery cell. TDA2822M IC work within 1.8V to 15V. This can use for many applications like small battery powered radio, alarm, portable cassette player, headphone amplifier and more.

POST: http://www.electronicecircuits.com/electronic-circuits/3v-battery-powered-stereo-amplifier-circuit-tda2822m

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7805 5V 1A Regulated Power Supply with Overvoltage Protection Circuit

This is the 7805 5 volts 1 ampere Regulator with Overvoltage Protection Circuit. Most of the COMS, microcontrollers and TTL ICs require a well regulated power supply.

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AC Neon lamp filament or semiconductor blown fuse indicator circuit

AC Neon lamp filament or semiconductor blown fuse indicator circuit

This simple circuit tells you have a blown fuse without removing the fuse from its holder or semiconductor fuse status. This neon lamp fuse indicator circuit makes neon lamp flash up if a fuse blows or open.

POST: http://www.electronicecircuits.com/electronic-circuits/ac-neon-lamp-filament-or-semiconductor-blown-fuse-indicator

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