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Posts tagged How to design a 5V / 9 V / 12V Power supply

Power Supply Design for 5v using 7805 Circuit

7805 Voltage Regulator Circuit 5v power supply circuit using 7805, 5v power supply circuit using bridge rectifier, power supply design for 5v using 7805 pdf, 5 volt power supply circuit diagram, 5v power supply circuit without transformer, 5v power supply circuit pdf, 5v dc power supply circuit diagram, power supply circuit diagram using 7805 and […]

High Quality Walkie Talkie – Radiocomunicación

High Quality Walkie Talkie Circuit module The second circuit diagram is a simple way to make a walkie talkie. Walkie talkie principle is to use two pairs of radio transmitter and receiver are combined together to form a walkie talkie. That each contains one receiver and one transmitter device. but only just transmitter circuit course […]

Light sensor circuit diagrams

Light sensor circuit diagrams Light sensor circuit diagrams This circuit has two distinct functions, either using the same light sensor, a circuit module is useful for light and turn off the lights (relay), and that only produce sound. Usually applies to a security alarm place. Components used: Sensor LDR 2N3904 Relay Audio alarm using LM386

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