The Bluetooth Devices Visualizer is a #wearable device that uses an #ESP32 microcontroller to scan for Bluetooth devices and displays the number of devices found using LEDs. It also has a small OLED display for relevant details and offers different operational modes to explore the number of #Bluetooth devices in the area.


Hackaday
Bluetooth Device Visualizer Reveals Devices In Vicinity
Have you ever wondered how many Bluetooth devices are floating around you? You could use one of those creepy retail store Bluetooth tracking system...











