3V/5V/12V/24V Time Relay Module Digital Display Delay Start Relay Module MCU Control Circuit Support NPN/PNP Signal

DC 6-30V 30A Delay Relay Support High Low/Switch/PNP/NPN Sensor Trigger LCD Digital Display Timing Control Module Multifunction

DC 3.3V/5V/12V/24V Digital Logic Level Conversion Module PNP/NPN to NPN PNP MCU PLC IO Switch Signal Isolation Protection Board

4-16CH 3.3V 5V 12V 24V PNP-NPN Digital Logic Converter 5A MOS Solid State Relay PLC Signal Amplifier Board for Motor Relay

Signal Amplifier Board 4-16CH 5A PLC Isolation MOS Tube Module NPN PNP IO Digital Logic Level Converter DC 3.3V 5V 12V 24V

8Ch 3.3V 5V 12V 24V Ttl Lvttl Digital Logic Level Conversion Module Npn Pnp Isolation Protection Panel for Arduino Plc Mcu Pi

4-16CH 3.3V 5V 12V 24V PNP-NPN Digital Logic Converter 5A MOS Solid State Relay PLC Signal Amplifier Board for Motor Relay

4-16CH 3.3V 5V 12V 24V PNP-NPN Digital Logic Converter 5A MOS Solid State Relay PLC Signal Amplifier Board for Motor Relay

4-16CH 5A PLC Signal Amplifier Board Isolation MOS Tube Module NPN PNP IO Digital Logic Level Converter DC 3.3V 5V 12V 24V

4ch 24V to 3.3V 5V 12V 24V Digital logic level conversion module in PNP/NPN out NPN OUT Optical Isolation Board

4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR

OP71A04 4CH 3.3V 5V 12V Digital logic level conversion module in PNP/NPN out NPN OUT Optical Isolation Board For PLC Relay LED

3PCS 4ch 24V to 3.3V 5V 12V 24V Digital logic level conversion module in PNP/NPN out NPN OUT Optical Isolation Board

3.3V 5V 10M High-Frequency GPIO Logic Level Converter Board PWM Signal 5000Vrms Optical Isolation Module PNP NPN OP62A02

4ch 3.3V 5V 12V 24V Digital Logic Level Conversion Module PNP/NPN to NPN Optical Isolation Board for Arduiuo NANO STM32 AVR

2-channel PNP NPN optocoupler isolation board for MCU PLC signal level voltage conversion 1.8v 3.3v 5v 12v 24V NPN output

3PCS 4ch 3.3V 5V 12V Digital Logic Level Conversion Module PNP/NPN to NPNOptical Isolation Board for PLC Relay LED

1 PCS 1CH DC 3.3V/5V/12V/24V NPN PNP Opto-isolated level conversion module

Logic Level Converter NPN PNP Wet Contact 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V

AC/DC 6.3V High Voltage Power ON Delay Start Protection Board for Tube Amplifier Amp Control voltage 1500V current 30A NEW

10M High-Frequency 3.3V 5V GPIO Logic Level Converter Board PWM Signal 5000Vrms Optical Isolation Module PNP NPN OP62A02

New 3.3V 1 Channel Relay Driver Module Photoelectric Isolation Input NPN/PNP diy electronics

4 CH 3.3V to 12V Digital Logic Level Conversion Photoelectric Isolation PNP NPN

4 CH 24V to 3.3V Digital Logic Level Conversion photoelectric Isolation PNP NPN

4 CH 3.3V to 5V Digital Logic Level Conversion Photoelectric Isolation PNP NPN

4 CH 24V to 3.3V Digital Logic Level Conversion photoelectric Isolation PNP NPN

Electromagnetic Valve controller MCU PLC MOS Transistor Amplifier Board Input fully compatible PNP or NPN Output 3.3-5-12-24V

AL-ZARD Electromagnetic Valve controller MCU PLC MOS Transistor Amplifier Board Input fully compatible PNP or NPN Output 3.3-24V

30x18x10 5mm sensing DC NPN PNP NO NC 5V TL-W5MC1-5V F1-5V flat shape inductive proximity sensor switch 5VDC special for MCU

4 CH 3.3V to 3.3V Digital Logic Level Conversion Photoelectric Isolation PNP NPN

1PCS/LOTS STC download cable MCU programmer USB to TTL free manual cold start STCISP 3.3V/5V