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"usb switch box"
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AJMRTC 1 Channel 5V USB Relay Module, Programmable Computer Control USB Relay Switch Board, USB Powered Relay Controller for Home Automation Industrial Equipment On Off Control
Limited time offer, ends 11/25
$15.87
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AJMRTC 4 Channel MOS FET Pulse Trigger Switch Controller Board, PWM Optocoupler Opto-isolator Driver Module, Isolated Switch Control for Motor, LED Light and Electronic DIY Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 1PCS 1A/2A Switchable USB Mini Voltage Ammeter, Digital Power Load Tester with Red & Green LED Indicator for Charger, Power Bank Testing & Electronic DIY Projects
Limited time offer, ends 11/25
$11.74
Free Shipping
AJMRTC Desktop PC External Power Switch, PC Case Power Button & Reset Restart Button Extension Cable, External Desktop Computer Power Supply Switch for DIY Chassis Mod
Limited time offer, ends 11/25
$11.89
Free Shipping
AJMRTC MOSFET Trigger Switch Drive Module, DC 5V36V PWM Electronic Switch Control Board, 020KHz 15A(Max 30A) 400W for Lamp Brightness Motor Speed Control
Limited time offer, ends 11/25
$10.45
Free Shipping
Industrial-Grade Isolated 2-Ch RS485 Hub, Expands 2-CH RS485 Sub Ports Via 1-CH
Limited time offer, ends 11/08
$51.96
Free Shipping
Industrial USB to RJ45 Console Cable, with Original FT232RL Chip, USB Type A to
Limited time offer, ends 11/25
$39.45
Free Shipping