ITEM NAME:50x TCRT5000 Infrared Reflective Sensor Obstacle Avoidance Module Tracking U9E7 50x TCRT5000 Infrared Reflective Sensor Obstacle Avoidance Module Tracking U9E7 Four instructions:The module can be 1 2 intelligent tracing car obstacle avoidance, material testing, color detection 2 modules in shining or keep out the short is greater than the set threshold the DO output high level, the when the module block short is less than the setting threshold, the module D0 output low level; 3 small plate digital output D0 can be attached directly to the microcontroller, through single chip microcomputer to detect the high and low level, thus to detect been the modules are triggered. 4 small plate digital output DO can directly drive our relay module, which can be composed of a photoelectric switch; 5 small plate analog output can AO and AD modules are linked together, through the AD conversion, the can module are obtained and the obstructions of short.