USB to TTL UART Uploader Module CH340G HW-193

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Description This is a CH340G USB to RS232 TTL Auto Converter Adapter Module for Arduino. It not only has the power light PWR, TXD, and RXD LEDs but also reserved RTS, and CTS locations convenient and intuitive to know whether the product is at work in the absence of the instrument case.3V3 and 5V by a short circuit risk selection. Support WINDOWS 98 / ME / 2000 / XP / Server 2003 / VISTA /Server 2008 / Win7 / Win8 32 Bit / 64. Specifications: IC Chip: CH340G Operating Voltage (VDC): 3.3 ~ 5V L x W x H (mm): 54 x 24 x 8mm Features Resettable fuse with 500mA 3.3V / 5V real switchable 3.3V comes with a transformer Green Data reception mentions an indicator Multifunction CTS access products Dual protection circuit Full-function pins 5P Blue power indicator Stablemaster chip Red data transmission indicator Multifunctional RTS interface Dual protection circuit Pin Out: 5V – stabilized 5 V 3V3 – stabilized 3.3 V TX – transmission line RX – receive line GND – “ground” Useful Links: USB to serial chip CH340 Datasheet