Non Contact Wireless Liquid Level Gauge

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This current project of mine which I am documenting here was selected for the TI MCU Contest -2012 but did not make the final cut. What I am documenting by way of this post is for archival purpose and  posterity.The project idea itself was half cooked and I aborted a similar project last year due to lack of motivation. You can see the remnants here.

Also you will notice that in this project I am using components made by Texas Instruments, the reason for that has been that TI has been gracious to supply me with their Launchpad development tool and samples of their instrumentation amplifier  absolutely free.

Assembled Receiver and Transmitter Frontends

Well, the net is abound with example for various methods to measure liquid level. However, most of the methods are based on methods that use conductors and a slightly conductive liquid to estimate the liquid level. As the post title suggest, what I attempted (and I guess that I was successful to a reasonable measure) was to design and develop a non contact liquid level gauge that monitors a tank for the fluid (water but can be any liquid) level.

The system hardware consists of two parts

(a) The Sensor Frontend.
(b) The Receiver Frontend.

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7 Responses to Non Contact Wireless Liquid Level Gauge

  1. Dilip says:

    Hi can u give me an idea for how to manage current cuts in your home..can u suggest how to build a cheap generator or inverter to supply current for home?

  2. Wayne Byal says:

    I am having a hard time finding a good link to your liquid level gauge project with schematics, board layout, parts list and code could you please provide this thanks wayne.

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  4. Olá estou procurando um esquema de circuito eletrônico para nível de caixa d’água, que tenha as seguintes medidas, 25%, 50%, 75%, 100%, através de sensores por fios e que tenha visor LCD para indicação. Também quero outo esquema que mim indique 50%, 75%, 100%, através de sensores com fios e tenha visor LCD, não sei se uma placa só serve para os dois casos. se você tiver algum me envie por favor.

    José Elaesso da Silva.

  5. Arky says:

    Hi interest in a unit like this can you contact me at my email

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