This is an Arduino-based Proximity Sensor circuit wired using the popular HC-SR04 ... If everything goes right,you should see the burning eye of the red LED when there is no object in the safe-zone ...

Low-cost thermal camera built using Arduino. 7:59 am August 11, 2023 By Julian Horsey. ... an infrared sensor AMG8833, and an 8×8 RGB LED display from SunFounder.