Purza Sensor Stick is a module that engineers can use in their electronics and mechatronics projects. You can connect TCRT5000, LDR or Photodiode on such a tiny stick. I tested TCRT5000 and LDRs on it. It is easy to solder and use. You can either use a transistor to switch on the TCRT5000/LED or you can short the R1 resistor to turn it on directly.
PURZA STICK WITH TCRT5000
For using TCRT5000 with Purza Sensor Stick I soldered transistor, resistors and the sensor. The results were better than that of LDR. It measured from 1cm to 20 cm distance. I used yellow paper as an object and a wooden scale of 30cm to measure distance. Following table shows the distance of sensor stick board to an object and their respective analog values.
|DISTANCE IN CM||ANALOG VALUE|
Serial Plotter Results: