A free to use, open application platform. REI3 offers a growing number of ready-to-use business applications for all company sizes. Running on-premise or in the cloud, REI3 uses modern web technologies to work well on all device sizes, from workstations to smartphones.
Also included: The Builder. A graphical, low-code tool to build upon existing or create completely new REI3 applications. With visual form editors for user interfaces but also access to complex data structures and performance optimization features, highly scalable applications are simple to create.
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Based on our record, MIT App Inventor seems to be a lot more popular than REI3. While we know about 40 links to MIT App Inventor, we've tracked only 2 mentions of REI3. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
With REI3 you can fulfill your requirements. REI3 is a business management software, super flexible, opensource and free of charge. You can find a live demo on the REI3 website. https://rei3.de/home_en/. Source: almost 3 years ago
Btw. I also work on a low-code platform (REI3) - we are free to use but have no feature like that. Source: about 3 years ago
First thought, play with MIT App Inventor https://appinventor.mit.edu/, they have dedicated blocks for graphing and cross-platform implementations of Bluetooth for Android and iOS. The data format is still up to you. Source: about 1 year ago
Or you could go to https://appinventor.mit.edu/ and design your own custom app (no widget, though). Source: about 1 year ago
If you want to make a mobile app you could try https://appinventor.mit.edu/. Source: about 1 year ago
Maybe a raspberry pi that's on 24/7 connected to wifi and use that to send the wake over lan signal to the server? Arduino on the power pins also works, I did something quite similar but with a Bluetooth board, the code was really simple I just made an Android app with MIT app inventor that sent a signal to the hc_05 bt board, once the Arduino received that signal it shorted the power pin to 5v for half a second... Source: over 1 year ago
If your idea isn't complicated, have a look at MIT App Inventor. It literally is, drag-and-drop. That should get you started. Source: over 1 year ago
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