1、Onboard high-performance microcontroller chips. 2、Onboard CH340 USB control chip. 3、Onboard LED power indicator and relay status indicator. 4、Adopt military grade double-sided circuit board 5、100% brand new and high quality.<p class="MsoNormal" style="margin-right:0pt;margin-bottom:0pt;margin-left:0pt;text-indent:0pt;"> <span style="font-family:Arial;font-size:16px;"><strong>Features:</strong></span> <span style="font-family:Arial;font-size:16px;">Onboard high-performance microcontroller chips.</span> <span style="font-family:Arial;font-size:16px;">Onboard CH340 USB control chip.</span> <span style="font-family:Arial;font-size:16px;">Onboard LED power indicator and relay status </span><span style="text-indent:0pt;font-family:Arial;font-size:16px;">indicator.</span> <span style="font-family:Arial;font-size:16px;">Adopt military grade double-sided circuit board</span> <span style="font-family:Arial;font-size:16px;">100% brand new and high quality.</span> <p class="MsoNormal" style="margin-right:0pt;margin-bottom:0pt;margin-left:0pt;text-indent:0pt;"> <span style="font-family:Arial;font-size:16px;"><strong>Specification:</strong></span> <p class="MsoNormal" style="margin-right:0pt;margin-bottom:0pt;margin-left:0pt;text-indent:0pt;"> <span style="font-family:Arial;font-size:16px;">Product model: E-3</span> <span style="font-family:Arial;font-size:16px;">Communication chip: CH340</span> <span style="font-family:Arial;font-size:16px;">Communication protocol: Serial port communication</span> <span style="font-family:Arial;font-size:16px;">Communication format: (9600, 8, NONE, 1)</span><o:p></o:p> <p class="MsoNormal" style="margin-right:0pt;margin-bottom:0pt;margin-left:0pt;text-indent:0pt;"> <span style="font-family:Arial;font-size:16px;">Baud rate: 9600, 8 bits, no parity, 1 stop bit</span><o:p></o:p> <p class="MsoNormal"> <span style="font-family:Arial;font-size:16px;">Weight: Approx. 17g</span> <span style="font-family:Arial;font-size:16px;">Use serial port assistant to send 0xAA, the relay keeps opening; Send 0xBB, the relay keeps closing; Send 0xCC, the relay works for 1 second then stop (Jog)</span> <p class="MsoNormal"> <span> </span> <p class="MsoNormal"> <span style="font-family:Arial;font-size:16px;"><strong>Package list:</strong></span> <p class="MsoNormal"> <span style="font-family:Arial;font-size:16px;">1 * USB Relay Module</span>