the Lord of Tools 4x 1 Channel PC817 Optocoupler Isolation Module (3 5V) Suitable for Photoelectric Isolator Signal Ssolation

1-Channel PC817 Optocoupler Isolation module adopts 5.0 pitch screw terminals for easy wiring. 1-way optocoupler isolation module with PC817 features, providing input voltage of DC 3V-5V and output voltage suitable for DC1.8V-24V, ensuring broad voltage application and optimal signal conversion for various devices The module can play the role of isolation when the output level of the single-chip microcomputer drives the inductive devices such as motors and motors, and protect part of the circuit of the single-chip microcomputer against interference PC817 Card Rail Bracket Input 3-5V Optocoupler Isolation Module with maximum output current 50MA, designed for input current within 15-20MA and maximum application signal frequency of 5KHz, ensuring efficient signal conversion and transmission The module can also be used for current amplification. For example, when the output current of the microcontroller is too small to drive certain circuits, this module can be used for amplification.