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This circuit is similar to the preceding circuit of the attenuator. Gain of up to 100 can be achieved in this configuration, which is usef... -
The author wanted a very cheap and simple alarm for some of his possessions, such as his electrically assisted bicycle. This alarm is... -
In days gone by a radio amateur always had a dip meter close to hand in his ‘shack’. Now that people can afford oscilloscopes, the poo... -
The project is a user-friendly and cheap FM radio receiver which produces the desired audio signals using integrated circuit to achieve ... -
Because I’m old school, I wanted to build a Garage Door Closing circuit without relying on integrated configurations (555 timer etc) to k...
