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Strip LEDs are available in different colours powered by direct current (DC) source. These LEDs are available as surface mount devices with... -
An increasing number of appliances draw a very small current from the power supply. If you need to design a mains-powered device, you cou... -
This circuit provides a simple means to determine the voltage of a low-impedance voltage source. It works as follows. P1, which is a 1-W p... -
This is an unusual circuit for an ultra-low distortion power amp. According to my original notes the circuit is dated January 1977 so the...
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This is a complete alarm system with 5 independent zones suitable for a small office or home environment. It uses just 3 CMOS IC's and...
