mirror of
https://github.com/bendtherules/multimeter-connect-web.git
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45 lines
1.8 KiB
Markdown
45 lines
1.8 KiB
Markdown
# [Multimeter speaker](https://multimeter-speaker.netlify.app/)
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[](https://multimeter-speaker.netlify.app/)
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## Details
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- Connects with Aneng BLE Multimeters using Bluetooth and announces values using Web Speech api.
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- Reciprocates buzz with a tone of 2800 Hz.
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- Only works with Aneng Big multimeters at the moment (Aneng-9002, BSIDE ZT-300AB, ZOYI ZT-300AB, BABATools AD-900).
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- Thanks to @ludwich66 for decoding the protocol at https://github.com/ludwich66/Bluetooth-DMM/wiki/Protocol-all-Variants
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- "Live value" shows instant value received from DMM.
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- Live value is then debounced and repeat values are removed to get "Announced value".
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- "Announced value" is shown in UI and also spoken using Web Speech api. The voice model used can be changed in UI (choice depends on OS).
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- When multimeter's Buzz symbol is ON and DIODE symbol is OFF, that indicates multimeter is buzzing. The app also generates a tone of 2800 Hz with 70% volume to make the buzz more audible. (Actual multimeter uses 2150 Hz, but I like this one better.)
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- Doesn't work on IOS, because Web Bluetooth Api is not supported. Works on Android, Mac, Windows.
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- Supports PWA app installation and offline mode.
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## Todo
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- Support other size multimeters from Aneng
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- Allow configuring volume, pitch, buzz volume, buzz frequency
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- Allow custom template
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## Contribution
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**It uses Next.js framework with @ducanh2912/next-pwa for offline support. It is deployed on Netlify.**
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First, run the development server:
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```bash
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npm run dev
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# or
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yarn dev
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# or
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pnpm dev
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```
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Open [http://localhost:3000](http://localhost:3000) with your browser to see the result.
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## Help
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Please raise an issue if your Aneng DMM is not supported properly. Feel free to contribute changes.
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