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Posts tagged burglar alarm circuit

Simple Alarm Circuit using 12C509

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

Mini Microphone circuit using BC109C

Mini Microphone circuit using BC109C

Make Auto-Fan, 741 AutoScout temperature control – More circuit Temperature Control

Make Auto-Fan, 741 automatic temperature control – More circuit Temperature Control

Echo Repeter and preamp mic schematic

Echo Repeter and preamp mic schematic Part R1,6,25,36,48,54           2K2 R2,7,16,27               470K R3,8,26,31               12K R4,9,39               220R R5,10                   22K R11                   1M5 R12,45                   10K R13,52,53,58,59           […]

RGB Circuit using MC1377

RGB Circuit to PAL – NTSC using MC1377 Parts : R1 1 kΩ                  C1 1 nF R2 2.2 kΩ              C2 100 nF            Qz cristal 4.433691 R3 75 Ω                  C3 22 µF R4 75 Ω                   C4 22 µF R5 75 Ω                  C5 22 µF R6 1 kΩ                   C6 30 pF […]

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