UNI-T UT373 Auto Ranging 10RPM-99999RPM Non-Contact Laser Digital Tachometer with High Precision [C] Cable Management To use this Relay you

To use this Relay you need to connect the control input (number 3) pin to the 5V GPIO pin of the microcontroller board you are using and number 4 pin to GND and if 5V supply is on the there will be contact between number 1 and number 2 load pins

It is housed in a compact SOIC-14 surface-mount device (SMD) package

Capacity: 3800 mAh

the city lighting project

This assures simple

UNI-T UT373 Auto Ranging 10RPM-99999RPM Non-Contact Laser Digital Tachometer with High Precision [C] Cable Management To use this Relay youUT373 is a reliable digital non contact tachometer used to measure rotation speed of motors and other machines. This device is able to display results in RPM or revolution count. UT373 is able to safely measure rotational objects through a non intrusive method. The UNI T UT373 Auto Ranging Laser Digital Tachometer is the embodiment of precision in motion. Crafted for professional use and designed to surpass conventional measuring tools, this