WP34s Repurposing Journey PhotoJournal
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02-02-2015, 06:00 PM
Post: #16
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RE: WP34s Repurposing Journey PhotoJournal
That's a lot of work for a couple LEDs... :-)
I like electronics as much as anyone else, but the Erase status LED is accomplished easily enough by adding it to the Erase input. If you're using the Prolific device for 5V it has more than enough current to drive the LED. I agree with you in that it's inconvenient to have to hold a finger on a button, so I just used a toggle (maintained contact) switch. No flop required. Reset is more difficult because it's active low, but only momentary contact is required. So for it, use a double pole momentary contact switch instead, with one of its poles "ground" and the other 5V (or 3V if you determined it has enough current for your LED). No electronics required. Anyway, nice work. |
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