ESP32 - DVM - high precision Digital Voltmeter

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jgustavoam
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Location: Belo Horizonte , Brazil
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ESP32 - DVM - high precision Digital Voltmeter

Postby jgustavoam » Sat Aug 04, 2018 10:38 pm

Hi ,
I developed this project at early year -
https://www.elektormagazine.com/labs/es ... -voltmeter

And I received 9th Prize in the Elektor ESP32 Design Contest 2018!
https://www.elektormagazine.com/labs/co ... ntest-2018

I hope that someone enjoy it.

ESP32 - Digital Voltmeter using old style ADC conversion method.
High precision, good stability , negative and positive Voltages ! Range -2V to +2V .
Method of Voltage measurement - Dual slope integrating ADC conversion.

ESP32 - DVM 7135 - Android Bluetooth Application
ESP32 - DVM 7135 - Blynk IOT WIFI tests - Youtube Video
https://youtu.be/8PL2q0f5Bow
Image
ESP32 - generating CLOCK - 480KHz (50Hz/60Hz noise rejection)
My Blog of ESP32 Tutorials (only in portuguese)


Gustavo Murta (Brazil)
Retired IBM Brasil
Electronic hobbyist since 1976.

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