2 Pcs PC817 4 Channel Optocoupler Isolation Module 3.6-30V Voltage Converter Driver Photoelectric Isolated Board for Control Relay with 24AWG Wire industrial_Dec2022 And you can choose them

And you can choose them according to your preference

this package includes 40-grit

Good Capacity&Easily Organized: Dimensions 9

such as CooSpo/ Garmin / XOSS / Wahoo and so on

2 Pcs PC817 4 Channel Optocoupler Isolation Module 3.6-30V Voltage Converter Driver Photoelectric Isolated Board for Control Relay with 24AWG Wire industrial_Dec2022 And you can choose them2 Pcs PC817 4 Channel Optocoupler Isolation Module 3. 6 30V Voltage Converter Driver Photoelectric Isolated Board for Control Relay with 24AWG Wire Specification: 1. Driving Terminal Port Signal Voltage: 3. 3 24V 2. Output Port Voltage Port: 3. 3 30V 3. Output current depends on the specificsituation, but the maximum is not 10mA the total power is certain, the voltage andcurrent are inversely proportional 4. Through the jumper cap can achieve whether