Hello! I am trying to make a wireless vibration motor for deaf people but I have no knowledge about this. I want it to work as the same as the alerting device for deaf people. Such as, When I press a button once, the other part of the device (which is not connected with wires…

Hello @help_pls and welcome to the RobotSHop forum, For wireless communication you can use radio, Bluetooth or WiFi, you can find lots of options in the Data Telemetry section of the store. A great option would be a small microcontroller with wireless capabilities, for example a…

Thank you very much for your kind reply, it is exactly what I was looking for! I will try making it using the informations provided! Would you mind if you can help me one more time when I get stuck later on? Thank you very very much!!

I’m glad it helped :grinning: For sure! You can always come back and post any questions you have. Good luck with the project

Hello, what if I want to use this in the middle of the mountain? will the two microcontrollers work? Can you explain how they work? Just brief explanations about the science… Sorry this isn’t my course that i don’t really have knowledge on this… :cry:

Hello, what if I want to use this in the middle of the mountain? will the two microcontrollers work? Yes, you could use Bluetooth. Unless the devices are too far away from each other then you’ll need something else, a good option could be LoRa . Can you explain how they work? …

[image] geraldinebc15: Yes, you could use Bluetooth. Unless the devices are too far away from each other then you’ll need something else, a good option could be LoRa . thank you for the information! [image] geraldinebc15: It depends on what you’ll use (Wifi, Blueooth, …

Here’s an explanation of how bluetooth works: How do Bluetooth devices work? - Scienceline . And here you can find an example of two way communication between two ESP32 [image] ESP-NOW Two-Way Communication Between ESP32 Boards | Random Nerd Tutorials Learn how to e…