購買BB-232LPTTL33 - Advantech - CONVERTER, RS232-TTL/CMOS, PORT POWERED。e络盟提供優惠價格、當日出貨、快速運送、充分庫存、資料表與技術支援。 ... <看更多>

4-channel conversion between 5 Vdc TTL/CMOS and RS232. TD, RD, RTS, CTS support. Powered by pin/signals: 7(RTS), 4 (DTR), 3(TD; lines can be high or low, ... ... <看更多>

串口COM口USB-TTL RS-232 RS-485 不同标准区别释疑, 其他, 硬件,RS232,TTL, 有几个概念玩嵌入式的同志经常搞混。也不怨谁，现在的卖家为了一点可怜的 ... ... <看更多>

Again, how can I figure out whether RS232 or TTL is implemented? This device seems to feature a Mini-USB port for USB-communication and another ... ... <看更多>