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The hardware required consists of a number of small boards (built on Veroboard), which
connect together via ten pin leads using Molex connectors. The first board (Main Board) carries
the PIC16F628 processor and 5V regulator - the board can be fed from a simple 9V battery.
Some of the later tutorials will require two processor boards, this is the reason for the second
connector on PortB - the two processors will communicate with each other over a standard 9600
baud serial bus, the second board can be either powered from the first (using a four wire
connection lead), or powered from it's own supply (using a three wire connection lead). The lead
consists of a ground wire, RB1 to RB2, RB2 to RB1, and an optional 5V wire. RB1 and RB2
cross over so we can experiment with the built-in hardware USART as well as software serial
communications.
Nigel tutorial.pdf
(1.06 MB, 下载次数: 26 )
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发表于 2010-12-14 02:56:03
