This is an FTDI 5V Micro USB to TTL Programmer Card, Upload Tool.
A device that has a TTL port provides the computer with a USB port. By connecting this converter to the computer and installing the driver program, which adds a virtual serial port to the computer ports, which is capable of working with Windows operating systems, MAC, Linux. On the output of this converter, in addition to the TXD, RDX, and GND pins, the output voltage is also 5v and 3.3v.
1 x USB to TTL Programmer Card
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