Distance Measurement
2 devicesDistance measurement boards using ultrasonic laser or radar sensors.

LILYGO T-Radar
Sensor Module
LILYGO T-Radar is a radar sensor expansion module based on the Acconeer A121 pulsed coherent radar, designed for presence detection and distance measurement with LILYGO motherboards.
Acconeer A121 (60GHz pulsed coherent radar)N/A (sensor module)
~$15View

Makerfabs ESP32 UWB Pro with Display
Dev Board
ESP32-WROVER development board with Decawave DWM1000 UWB module for centimeter-accurate indoor positioning and ranging, featuring a 1.3\" OLED display and LiPo battery charging.
Xtensa LX6 dual-core @ 240MHz, FPU, HW crypto (AES/SHA)520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$55View
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