The “ultimate” smartwatch with LiDAR and wireless control
RoboticWorx has created an awesome ESP32-S3 based smartwatch with several environmental sensors and a laser to control other projects remotely.
This is my “Gateway” smartwatch project! It acts as a compact wireless access key to control all your IoT devices from the comfort of your arm! It also features exchangeable MAC addresses, the ability to scan WiFi networks, has a built-in LiDAR for distance sensing, and provides you with real-time temperature, altitude, humidity, pressure, gas resistance, tilt, and acceleration.
The LiDAR being used is a super neat VL53L1X ToF (time-of-flight) distance sensor from STMicroelectronics. It can measure any distance from 4cm to 4m with <±1% accuracy, perfect for taking measurements or if you’re just curious about how far you currently are from a wall.
For the wireless portion, the watch utilizes ESP-NOW to quickly broadcast data with ultra-low power consumption. This wireless protocol was chosen over others because of its ability to bypass the traditional WiFi connection setup, which makes the action-reaction time between other devices nearly instantaneous.
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