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IA-3178H-U2i-P - 32 Channel Isolated USB Port Power SPDT Relay Board, Multi-Drop Series
16-Channel 9-36V USB Relay Module – SainSmart.com
32 Channel TTL Compatible Relay Controller Board | Numato Lab
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64 Channel USB Relay Module With GPIO & Analog Inputs | Numato Lab
32 Channel Ethernet Relay Module – KC868-H32 - Smart Home Automation | KinCony
Ethernet Relay 32-Channel 20-Amp ProXR: Relay Pros
8 Channel USB Relay Module | Numato Lab
Customizable 32 Channel Relay Controller Board, Isolated Rs232 Rs485 Wifi Ethernet Gsm, Modbus Rtu, Pc Android Ios Control - Voltage Meters - AliExpress
USB Relay
Industrial Relay Controller 32-Channel SPDT + 8-Channel ADC - store.ncd.io
Numato Lab - USB relay module - 16 channels - 12 Botland - Robotic Shop
16 Channel USB Relay Module With GPIO And Inputs | Numato Lab
IA-3131-U2i - 32-Channel USB Relay Controller USB and RS-232 Controlled Daisy-Chain Series
32 Channel USB Relay Module
USB 16 Channel Relay Module - RS232 Controlled, 12V - ver.2
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KMTronic USB > RS485 > 32 Channel Relay Board (controller) | eBay
32 Channel USB Relay Module - 24V | everythingeshop | USB Relay Module | Buy & Sell Online
32 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
32 Channel USB Relay Module With GPIO And Analog Inputs | Numato Lab
Prodigy ZRX - 64-channels RTU/TCP relay module Botland - Robotic Shop
usb controlled relay
16 Channel USB Relay Module
