3pcs USB to Serial Module Downloader CP2102 USB to TTL STC Download Compatible

Module parameters 1 PCB size 26 5mm x 15 6mm2 PCB Color Black3 Weight 4g4 Using the new chip CP21025 with a resettable fuse In the event of accidental short circuit can effectively protect your device and computer USB port to download6 With three LEDs power indicator the indicator data reception data transmission indicator work status at a glance7 3 3V and 5V with two power output8 all the useful lead pins9 with reset signal output can be directly Pro mini and other Ard uino board to download 10 Compatible Operating Systems Windows 98 Me 2000 XP 7 MAC OS 9 MAC OS X Windows CE Linux 2 40 or laterAsynchronous Serial Data Bus UART All handshake and modem interface signalsData format support Data Bit 8Stop bit 1 2Check digit odd parity even parity no parityBaud rate from 300bps to 921 6kbps512 byte receive buffer 512 byte transmit bufferSupport hardware or X On X Off handshakeSupport for event status and line abort conditions Voltage Self powered 3 0V to 3 6VUSB bus power supply 4 0V to 5 25VPackage includes 3 x Downloader