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7 segment display driver ic

7 segment display driver ic 7 segment display driver segment using cd4026 driver segment using BA6250  

How to make SWR measuring Transmitter output Power

How to make SWR measuring Transmitter output Power? SWR is not difficult to make, although the circuit is very simple SWR SWR but it has the function of the transmitter output power measured with any accuracy, and how to add components to SWR SWR-PWR schema. If you change the resistor values increase the componint that […]

Touch screen monitor circuit

Touch screen monitor circuit using TL074, 1N4148

Simple Police Car Siren

Simple Police Car Siren using 9013, 9012 R1 ………….. 27K ohm R2 ………….. 68K ohm R3 ………….. 56K ohm R4 ………….. 470 ohm C1 ………….. 50uF – 12V C2 ………….. 0,018uF – 25V TR1 …………. FCS9013 TR2 …………. FCS9012 S1 ………….. Push Switch

Power Supply Control

Power Supply Control using BC549, BC559, BD139

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