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Posts tagged Alarm Circuit

Simple Alarm Circuit using 12C509

alarm circuit diagrams Simple Alarm Circuit using 12C509, 2N7000, 78L05

Leds dimmer circuit and alarm circuit

Leds dimmer and alarm circuit using CD4066

How to make solar NiCad simple but useful ?

How to make solar NiCad simple but useful ? Reasons for using Solar Power Panel are: solar energy is clean, environmentally friendly, reducing pollution, reducing greenhouse gases and stopping global warming, as a flexible source of energy and require little maintenance, will help you save money in the long run. Using the charger and solar […]

Radio fm digital

Radio fm digital IC1 TDA7000 IC2 LM7805 LM386 D1BB329, BB105 Radio fm digital IC1 TDA7000 IC2 LM7805 LM386 D1BB329, BB105 R1 47K R2 22K R3 100K R4 39K R5 10 R6,12 7,5K – Optionally R13-r21 15K – Optionally P1 10K Logarithmic potentiometer P2 100K Linear potentiometer C1 39pF Ceramic C2 47pF Ceramic C3 2,2nF Polyester […]

DTMF control RELAY SWITCHING circuit

DTMF control RELAY SWITCHING circuit using M8870, 4013, BC548

stereo headphone circuit diagram

stereo headphone circuit diagram

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