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Different types employed for automobiles, specifically.

Learn how to manage your boat, vehicle, or camper batteries remotely at an affordable price and with simplicity? Here's a video that demonstrates building a WiFi battery monitor using the versatile Shelly UNI, for less than 20 euros! This monitor works for both 12V and 24V batteries and...

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Master the art of remote battery control for your boat, vehicle, or RV at a budget-friendly price?...
Master the art of remote battery control for your boat, vehicle, or RV at a budget-friendly price? In this video, we guide you through creating a WiFi battery monitor using the efficient Shelly UNI. This device caters to both 12V and 24V batteries, offering alerts and all at an affordable cost of less than 20 euros!

Different types employed for automobiles, specifically.

Craving control over your boat, van, or camper's batteries, but short on cash and patience? Look no further! In this guide, we show you how to craft a budget-friendly, WiFi battery monitor using the Shelly UNI, set up in less than 20 euros! This baby will keep tabs on your 12V and 24V batteries while sending mobile alerts if issues arise, and it'll even give you temperature readings. Excited? Let's dive in!

Here's what you'll need:

  1. Shelly UNI: Amazon (https://amzn.to/3WiQQSj) or Spanish distributor (https://shellyspain.com/shelly-uni-implant-with-2-micro-relays.html)
  2. Shelly Smart App: Android (https://play.google.com/store/apps/details?id=cloud.shelly.smartcontrol&hl=en&gl=US), or iOS (https://apps.apple.com/es/app/shelly-smart-control/id1660045967)
  3. Temperature sensor: AliExpress (s.click.aliexpress.com/e/_oCK3sgh) or Amazon (https://amzn.to/3E0AMhN)
  4. Cardboard for assembly: AliExpress (s.click.aliexpress.com/e/_oDJJ401)

Ready to get started?

Step 1: Power the Shelly UNIConnect the Shelly UNI to a stable 5 VDC or appropriate low voltage power source.

Step 2: Connect battery voltageWire the battery’s positive and negative terminals to the Shelly UNI’s input terminals designed for voltage sensing. You might need a voltage divider circuit in some cases to step down the voltage safely.

Step 3: WiFi configuration- Connect the Shelly UNI to your onboard WiFi network or set up its Access Point mode, if you wish to create a hotspot.- Assign a static IP address if you desire, for easier access.

Step 4: Calibration and monitoringCalibrate input voltage readings for accurate monitoring, then set up notifications or web queries to monitor battery status remotely.

Step 5: Accessing the data- Use the Shelly mobile app or local web interface to view real-time voltage readings on any device connected to the same network.- Incorporate the device data into a custom monitoring dashboard or a home automation system using its API for seamless integration.

With Shelly UNI, you can build more alarms and inventions, but we've got a device that does almost everything on the market. Although we haven't tested it yet, it's a promising option:

  • All-in-one WiFi meter (not yet tested): AliExpress (s.click.aliexpress.com/e/_oCChx7L)
  1. To expand your smart home, consider integrating the Shelly UNI with your gadgets and technology, as it can monitor your boat, van, or camper's batteries, and even provide temperature readings, similar to many smart-home devices.
  2. For avid DIY enthusiasts, the inclusion of a temperature sensor in this budget-friendly WiFi battery monitor project makes it possible to monitor not only battery voltage but also surrounding temperature, a common feature in modern smart gadgets.

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