Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
You can use the USART. If you're lucky and your PC cooperates, some PC's will accept 0-5 volt logic on the serial line, otherwise you'll need a level converter to at least provide -5 and +5 volts for the RX and TX lines. RS232 electrical standards state +3 and -3 are required to consider the line low or high.
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