Design an ATmega328p based system that measures frequency of AC mains. The measured frequency is to...

 

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Design an ATmega328p based system that measures frequency of AC mains. The measured frequency is to be displayed on an attached character LCD. You are to design circuit as well as write code. You must also include description of circuit and AVR operation/code. Perform simulation in Proteus only. Do not perform hardware testing. Hints: 1. Use an AVR timer to track time, and, another timer to count number of AC cycles in one second. 2. To provide AC signal to the AVR, without damaging it: Put a transformer with a clipper circuit, or directly put a clipper circuit Design an ATmega328p based system that measures frequency of AC mains. The measured frequency is to be displayed on an attached character LCD. You are to design circuit as well as write code. You must also include description of circuit and AVR operation/code. Perform simulation in Proteus only. Do not perform hardware testing. Hints: 1. Use an AVR timer to track time, and, another timer to count number of AC cycles in one second. 2. To provide AC signal to the AVR, without damaging it: Put a transformer with a clipper circuit, or directly put a clipper circuit

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