Summary of Digital Voltmeter using Microcontroller Atmega8
Parts used in the Digital Voltmeter Project:
- Atmega8 Microcontroller
- 7-segment Display
- Internal ADC
- Resistor Network
This project gives you a digital voltmeter which can measure voltage from 0v to 25V DC. The values are displayed over the 7segment display. Atmega8 is used and the internal ADC is used to measure the DC voltage. The resistor network is used to reduce the input voltage to the 0-5v.
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For more Detail: Digital Voltmeter using microcontroller Atmega8
- What voltage range can this digital voltmeter measure?
The device measures DC voltage from 0V to 25V. - How is the voltage value displayed?
The values are displayed over a 7-segment display. - Which microcontroller is used in this project?
An Atmega8 microcontroller is used for the project. - Does the project use an external ADC?
No, the internal ADC of the microcontroller is used to measure the DC voltage. - Why is a resistor network used?
The resistor network reduces the input voltage to the 0-5V range required by the ADC. - Can this circuit measure AC voltage?
The article states the project measures DC voltage only.
