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Widely used for motor speed detection, pulse counting, position limit and so on.
1, the use of imported slot optocoupler sensor
2, slot width 5mm.
3, there is output status indicator, output high light off, low output light.
4, there is shelter, output high; no shelter, low output.
5, comparator output, the signal is clean, good waveform, strong driving ability, more than 15mA.
6, working voltage 3.3V-5V
7, the output form: digital switch output (0 and 1)
8, with a fixed bolt hole, easy to install
9, small PCB size: 3.2cm x 1.4cm
10, use a wide voltage LM393 comparator
Module usage instructions:
1. When there is no block in the module slot, the receiving tube is turned on, and the module DO outputs low level. When the block is blocked, DO outputs high level;
2. The module DO can be connected with a relay to form a limit switch, etc. It can also be connected with an active buzzer module to form an alarm.
1pcs Speed sensor module