USB One Channel Relay Controller RS232 Serial controlled

USB One Channel Relay Controller RS232 Serial controlled

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日期:2025-04-27
(c) www.Sigma-Shop.com All rights reserved. Sample VB6 code : Private Sub cmdOff_Click() With MSComm1 'make sure the serial port is open If .PortOpen = False Then .PortOpen = True 'send the data.Output = Chr$(255).Output = Chr$(1).Output = Chr$(0) End ......看更多