Opis SKU: 21550 Part Number: USB TO TTL (B) Brand: Waveshare Industrial USB TO TTL Converter, Original CH343G Onboard, Multi Protection Circuits, Multi Systems Support USB TO TTL (B) CONVERTER Original CH343G | Stable Transmission | Multi Devices | Multi Systems Industrial Grade Quality Features At A Glance Onboard resettable fuse and TVS diode, providing protections including over-current, over-voltage, backward-proof, and ESD protection, improving shock resistance, safe and stable communications Onboard IO protection circuit for surge suppress Onboard TTL serial port 3.3V and 5V voltage level switch, allows selecting TTL level 3x LED indicators for easily checking power connection and signal TX/RX statuses Quality plastic case with dull-polish surface, well-crafted IDC connector with fool-proof design Specifications PRODUCT CATEGORY Industrial USB TO TTL converter HOST PORT USB DATA RATE 50bps ~ 6Mbps DEVICE PORT UART USB PORT Connector: USB-A Protection: resettable fuse, ESD protection UART PORT Connector: 8PIN fool-proof header Protection: IO protection diode INDICATOR PWR: power indicator, turns red when USB voltage is detected TXD: TX indicator, turns red while the USB port is sending data RXD: RX indicator, turns red while the device port is receiving data Multiple Protection, Safe And Stable Onboard Resettable Fuse And TVS Diode, Providing Protections Including Over-Current, Over-Voltage, Backward-Proof, And ESD Protection, Improving Shock Resistance, Safe And Stable Communications Multiple Systems Support Compatible With Popular Systems Like Win7/8/8.1/10/11, Mac, Linux, Android… Three LED Indicators Easily Checking The Operating Status, Convenient For Programming / Debugging USB Signal & Pinouts Definition 5V 5V output VCC 3.3V or 5V output, configured by switch GND Ground TXD Connecting to MCU.RX RXD Connecting to MCU.TX RTS Connecting to MCU.CTS CTS Connecting to MCU.RTS Outline Dimensions Wiki: USB_TO_TTL_(B) PACKAGE CONTENT Weight: 0.021 kg USB TO TTL (B) x1 8PIN fool-proof wire x1 1 2