WungFang CP2102 module black USB to TTL STC download Pro mini download cable hard disk brush

CP2102 module black USB to TTL STC download Pro mini download cable hard disk brush

Common sense (very important): TXD: The sending end, which is generally represented as its own sending end, must be connected to
the RXD of another device for normal communication. RXD: The receiving end, which is generally represented as its own receiving
end, must be connected to another device's TXD for normal communication. During normal communication, the TXD of itself is always
connected to the RXD of the device! Self-receiving spontaneity: RXD is connected to TXDs of other devices during normal
communication, so if you want to receive the data sent by yourself, as the name implies, that is, you receive the data sent by
yourself, that is, your TXD is directly connected to RXD to test whether your transmission and reception are normal, which is the
fastest and simplest test method. When there is a problem, you should first do this test to determine whether the product is
faulty. Also known as loopback test. Level logic: TTL level: usually the data is expressed in binary. It is specified that+5V is
equivalent to logic "1" and 0V is equivalent to logic "0", which is called TTL signal system and is positive logic RS232 level: -
12V to - 3V, equivalent to logic "0",+3V to+12V, equivalent to logic "1", is negative logic Product description: 1. The main chip
is CP2102, which generates a virtual serial port after installing the driver 2. USB power, with 3.3V and 5V power output, all
useful pins 3. With self-recovery fuse. In case of accidental short circuit, it can effectively protect your downloader and
computer USB port 4. On-board status indicator and transceiver indicator. After the driver is properly installed, the status
indicator will always be on, and the transceiver indicator will flash during communication. The higher the baud rate, the lower
the brightness 5. Support baud rate from 300bps to 1Mbps 6. Communication format support: 1) 5,6,7,8 data bits; 2) Support 1,1.5,2
stop bits; 3) Odd, even, mark, space, none check 7. Supported operating systems: Windows 8.1/7/vista/xp/98, Mac OS-X/OS-9, Linux
8. The USB head is male and can be directly connected to the computer USB port 9. SMT process is used to produce SMT components
with stable quality 10. Volume without USB head: W15.5 * L26.5 (mm) 11. Weight: 4g 12. With reset signal output, you can download
programs directly to Armino motherboards such as Promini!