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Computer rs232 port controller

(999+ products available)

2025-11-17
2/4/8/16-way <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 1
2/4/8/16-way <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 2
2/4/8/16-way <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 3
2/4/8/16-way <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 4
2/4/8/16-way <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 5
2/4/8/16-way <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 6

2/4/8/16-way RS232 serial port relay module control board smart home switch computer connection control

$8.93-32.80
Min. order: 1 piece
LIONTRON Rockchip RK3399 Embedded <strong>Computer</strong> Mini PC with for 4K <strong>RS232</strong> Serial <strong>Port</strong> <strong>Control</strong> for Android/Linux - Product Image 1
LIONTRON Rockchip RK3399 Embedded <strong>Computer</strong> Mini PC with for 4K <strong>RS232</strong> Serial <strong>Port</strong> <strong>Control</strong> for Android/Linux - Product Image 2
LIONTRON Rockchip RK3399 Embedded <strong>Computer</strong> Mini PC with for 4K <strong>RS232</strong> Serial <strong>Port</strong> <strong>Control</strong> for Android/Linux - Product Image 3
LIONTRON Rockchip RK3399 Embedded <strong>Computer</strong> Mini PC with for 4K <strong>RS232</strong> Serial <strong>Port</strong> <strong>Control</strong> for Android/Linux - Product Image 4
LIONTRON Rockchip RK3399 Embedded <strong>Computer</strong> Mini PC with for 4K <strong>RS232</strong> Serial <strong>Port</strong> <strong>Control</strong> for Android/Linux - Product Image 5
LIONTRON Rockchip RK3399 Embedded <strong>Computer</strong> Mini PC with for 4K <strong>RS232</strong> Serial <strong>Port</strong> <strong>Control</strong> for Android/Linux - Product Image 6

LIONTRON Rockchip RK3399 Embedded Computer Mini PC with for 4K RS232 Serial Port Control for Android/Linux

Ready to Ship
$101-108
Shipping per piece: $22.17
Min. order: 1 piece
Wholesale price 2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 1
Wholesale price 2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 2
Wholesale price 2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 3
Wholesale price 2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 4
Wholesale price 2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 5

Wholesale price 2/4/8/16 channel RS232 serial port relay module control board smart home switch computer connection control

$1.47-2.94
Min. order: 1 piece
Industrial Mini PC with Intel Z390 Chipset, Dual Isolated <strong>RS232</strong> RS485, Dual Lan <strong>Port</strong> for Automation <strong>Control</strong>, Machine Vision - Product Image 1
Industrial Mini PC with Intel Z390 Chipset, Dual Isolated <strong>RS232</strong> RS485, Dual Lan <strong>Port</strong> for Automation <strong>Control</strong>, Machine Vision - Product Image 2
Industrial Mini PC with Intel Z390 Chipset, Dual Isolated <strong>RS232</strong> RS485, Dual Lan <strong>Port</strong> for Automation <strong>Control</strong>, Machine Vision - Product Image 3
Industrial Mini PC with Intel Z390 Chipset, Dual Isolated <strong>RS232</strong> RS485, Dual Lan <strong>Port</strong> for Automation <strong>Control</strong>, Machine Vision - Product Image 4
Industrial Mini PC with Intel Z390 Chipset, Dual Isolated <strong>RS232</strong> RS485, Dual Lan <strong>Port</strong> for Automation <strong>Control</strong>, Machine Vision - Product Image 5
Industrial Mini PC with Intel Z390 Chipset, Dual Isolated <strong>RS232</strong> RS485, Dual Lan <strong>Port</strong> for Automation <strong>Control</strong>, Machine Vision - Product Image 6

Industrial Mini PC with Intel Z390 Chipset, Dual Isolated RS232 RS485, Dual Lan Port for Automation Control, Machine Vision

$349-496
Min. order: 1 piece
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 1
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 2
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 3
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 4
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 5

2/4/8/16 channel RS232 serial port relay module control board smart home switch computer connection control

verify
$9.23-11.54
Min. order: 5 pieces
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 1
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 2
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 3
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 4
2/4/8/16 channel <strong>RS232</strong> serial <strong>port</strong> relay module <strong>control</strong> board smart home switch <strong>computer</strong> connection <strong>control</strong> - Product Image 5

2/4/8/16 channel RS232 serial port relay module control board smart home switch computer connection control

verify
$9.23-11.54
Min. order: 5 pieces
KD-3016 Intelligent 16-Way Timing Power Supply <strong>Controller</strong> <strong>RS232</strong> <strong>Port</strong> <strong>Computer</strong> Software Control Audio Sound Cards &amp; Mixers - Product Image 1

KD-3016 Intelligent 16-Way Timing Power Supply Controller RS232 Port Computer Software Control Audio Sound Cards & Mixers

Ready to Ship
$70.29-82
Shipping per piece: $58.86
Min. order: 1 piece
AX99100 Chip DB9 <strong>RS232</strong> Adapter Card PCI-E 2-<strong>Port</strong> Serial COM <strong>Port</strong> Expansion for Desktop <strong>Computer</strong> &amp; Printer Stock Available - Product Image 1
AX99100 Chip DB9 <strong>RS232</strong> Adapter Card PCI-E 2-<strong>Port</strong> Serial COM <strong>Port</strong> Expansion for Desktop <strong>Computer</strong> &amp; Printer Stock Available - Product Image 2
AX99100 Chip DB9 <strong>RS232</strong> Adapter Card PCI-E 2-<strong>Port</strong> Serial COM <strong>Port</strong> Expansion for Desktop <strong>Computer</strong> &amp; Printer Stock Available - Product Image 3
AX99100 Chip DB9 <strong>RS232</strong> Adapter Card PCI-E 2-<strong>Port</strong> Serial COM <strong>Port</strong> Expansion for Desktop <strong>Computer</strong> &amp; Printer Stock Available - Product Image 4
AX99100 Chip DB9 <strong>RS232</strong> Adapter Card PCI-E 2-<strong>Port</strong> Serial COM <strong>Port</strong> Expansion for Desktop <strong>Computer</strong> &amp; Printer Stock Available - Product Image 5
AX99100 Chip DB9 <strong>RS232</strong> Adapter Card PCI-E 2-<strong>Port</strong> Serial COM <strong>Port</strong> Expansion for Desktop <strong>Computer</strong> &amp; Printer Stock Available - Product Image 6

AX99100 Chip DB9 RS232 Adapter Card PCI-E 2-Port Serial COM Port Expansion for Desktop Computer & Printer Stock Available

Ready to Ship
$3.92-4.39
Shipping per piece: $6.91
Min. order: 2 pieces

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