15pcs RCWL-0516 4-28V 3mA Microwave Radar Sensor Human Body Induction Switch Module Board Smart Induction Prober

Features Size approx 1 7 x 3 5cm 0 67 x 1 38Operating voltage 4 28VOperating current 2 8mA typical 3mA max Probe distance 5 9mTransmitting power 20mW typical 30mW max Output voltage 3 2 3 4VOutput voltage driving capacity 100mAOutput control low level 0VOutput control high level 3 3VOperating temperature 20 80 ℃Storage temperature 40 100℃Trigger way repeat triggerAdjustable distance high sensitivity the module has a far sensing distance reliable large induction angle and has a wide supply voltage rangeWidely used in a variety of human induction lighting and burglar alarm and so on Adjustment part introduction C TM Adjust repeat trigger time default trigger time is 2s increasing capacitors capacity will make repeat trigger time longer and actual counting trigger time can operate as below Stick capacitor on C TM test 9196 3 pin frequency F repeat trigger time T 1 f 32768 R GN Probe distance adjustment connect with resistor and probe distance will become shorter if not connect probe distance is 7m if connect with 1M ohm resistor probe distance is 5m R CDS Internal VCC parallel connect with internal 1M ohm resistor to CDS pin that is 196 9 pin by R CDS CDS connects with photoresistor you can close probe function at night Pin definition 3V3 3V3 power outputGND groundOUT control output when probe moving objects it will output high levelVIN input voltage 4 28VCDS enable control chip lower than 0 7V OUT will output low le