Normally these speed sensors work with radar or laser technology to bounce back radio waves or IR light from objects and calculate speed based on time taken for the light or wave to reflect. In this ...

INNOVATIVE BREAKTHROUGH——SPENFiLY High Power IR Blaster. With built-in battery and high power signal transmission, it can control multiple infrared devices at the same time, solving the ...

THIS CODE IS OBSOLETE * It needs to be updated to be compatible with changes to the ESP32 standard libraries. Also, if fine granularity control is required, it needs to use long int arithmetic instead ...