Please login or register. Skip to forum content OpenWrt Wireless Freedom DIY: USB to TTL Adapter? Highly configurable Serial Bluetooth Adapter with high speed RS232 interface. Use this Serial Bluetooth adapter to create a wireless serial link. DIY USB to RS2. 32 adapter . So if you decided to build USB to COM(RS2. This adapter is very easy to build as there is single chip USB to UART bridge (CP2. This chip from Silicon Labs support USB2. Resistors required for USB interface, integrated clock, internal 1. EEPROM for vendor ID, Product ID serial number, power descriptor and other information. SP2. 10. 2 USART part support almost all standard features of RS2. Databits (5, 6, 7 and 8); 1 or 2 stop bits; odd, even, mark, space and no parities; baud rate from 3. Mbits. Device is powered from USB port and requires about 1. A. Chip drivers enable to connect this adapter to most of Operation systems like Win. Win. 20. 00, Win. XP, Linux. Circuit Diagram. As you can see signal level from TTL to RS2. MAX3. 24. 3 chip from Texas Instruments. This chip converts all available signals: DSR, DTR, RTS, CTS, RI, DCD, RXD and TXD. It is better to make double sided board this allows to minimize size of adapter. One of PCB solutions. To make adapter work, fors of all download driver for your operation system (Quick drivers for WIN2. Then extract it somewhere. Now connect adapter to USB port and wait until system will ask for driver. Brose to extracted driver location and let the finish installation. When device is ready LED indicator should light ON.
This page explains how to build a GIMX DIY USB adapter. A much easier but less complete tutorial is also available. A second usb development board can also be programmed as a usb to serial converter. AVR USB development board Make sure it is.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. Archives
December 2016
Categories |