Nuts & Volts - July 2005

The Ultimate Utility Meter — Part 1

female header and connect them to E1 and E2.

Jumper 8

P1 ————————— L2

P2 ————————— L3

Solder two wires to the UART switch and to a two-pin female header and connect them to L2 and L3.

Jumper 9

C5 ————————— K3

Connect the single one-pin, female-to-female header.

Figure 17. Jumper locations for the serial graphic LCD module.

Figure 18. Jumper locations for the utility module.

Jumper 10

B1 through B7 to A1 through A7

This concludes all the jumper connections. We are now ready to load up some software and perform some basic tests.

Connect seven pins, B1 through B7, to A1 through A7 via a seven-pin, female-to-female header.

Step 14:

Load the Dios compiler and connect a nine-pin serial cable from the UUM to the PC. Figure 19 shows the three

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