This article shows you how to build a cool electronic fishing lure. It uses a small buzzer to make sounds that might attract fish. Even though it is simple to build, it can be very effective. Note: Fishing regulations vary by location. Make sure it is legal to use electronic lures where you are fishing. […]
Oscillator Circuits
Simple Beat Frequency Oscillator (BFO) Circuit
This post shows you how to build a special circuit called a local oscillator or BFO. This circuit is used in many electronics testers and other devices to create a specific kind of signal. It uses a common part called a bipolar junction transistor BJT. What is Beat Frequency Oscillator: The beat frequency oscillator BFO […]