1 meter long brush line PL2303HX USB to COM USB to TTL line download line upgrade small board
The linear sequence is defined as red +5V, black GND, white RXD and green TXD
(Good news: According to the customer's suggestion, there is more 3.3V welding port in the latest design of this product, but we need to open the USB shell and weld it by ourselves.)
Special Note:
(I) This connection only sells one brush wire, one tool. We are not familiar with the method of use, so we are not able to provide guidance. Because there are so many models on the market and everyone's hands-on skills vary so much, we can't guarantee your success. More do not because of their own success and give us in the review or bad review, then we than Dou 'e also complain!
(ii) Each one we send is tested. Please remind the buyer not to operate directly after getting it, so as not to be considered as a problem. Start with a simple test. The method is simple: If you plug the cable into your computer, it says "find new hardware..." , using the multimeter black pen connection (GND), red pen to connect (RX) and (TX) can measure the voltage, then the small plate must be good. It is specially stated here that if GND is connected to the voltage pin of the equipment, the power will definitely burn down. Therefore, the user must accurately measure the stitching of the equipment before wiring, so as to avoid unnecessary losses!
Some buyers accidentally burned the chip or can not operate or the machine itself does not support upgrading, it is our small board has problems and so on, please such buyers detour, thank you. In such cases, no return or refund will be granted, and no medium or poor comments will be accepted.
Note: When setting 3.3V and 5.0V output (this is to power SCM, upgrading machine is not necessary), please pull out the small board from the computer and set up the jumper. Do not operate with live, so as not to damage the equipment.
Stitching method and description:
Please find the stitching definition before connecting, especially GND must not be connected to the voltage stitching, and the RX and TX ends should not be connected to the VCC pin (some VCC pins have been measured with voltage up to 14V). The wrong connection will burn the adapter chip, please be sure to pay attention, do not take their own small board to do experiments, otherwise burn out we are not responsible for any. Be sure to find a good stitch definition at the junction.
Connection method: Once again, only 3 wires are needed for the brush machine. Generally, only 3 signal wires are used for RX TX GND. VCC does not need to be connected. 4 or 5 stitches on top, no VCC or BT stitches. When using, please connect RXD with target TX, TXD with target RX, GND with GND. If not, switch RX and TX. Connection mode:
RX to TX.
TX for RX.
Surface to surface (GND versus GND)
USB to serial port small board function:
Simple serial communication.
2 router or ADSL firmware upgrade.
3. GPS serial communication.
4 hard disk firmware upgrade.
5. Easy to use, RX is connected to TX of MCU; The TX is connected to the RX of the MCU. There is no need to convert in MAX232.
6. Use in the super terminal; Common serial debugging tools.
7. Upgrading of various satellite aircraft.
Such as... Universal USB serial port panel
Required
