Making This Versatile Arduino-Based Frequency Generator Is Simple

Author’s prototype for Arduino based frequency generatorThis is a simple function generator that works in the audio frequency range. It can be useful for amplifier testing, experimentation in digital signal processing (DSP) and electronics labs. The author’s prototype is shown in Fig. 1. Circuit diagram of the sine, square and ramp Arduino-based frequency generator is shown in Fig. 2. It is […]

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