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futz f&ts v.i. To tinker experimentally; to change something just to see what it does.
Junebug PortB Mod
thumbAfter getting my LCD working on Junebug, I started thinking of ways to make it useful for something other than displaying the usual demo stuff. First thing I thought of was to display VR1 and VR2 values. Of course that's impossible because the LCD is using the RA1 and RA3 pins.
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Junebug RS232

thumbTechnological Arts always used to pre-program their Motorola boards with simple little test programs. That way, when you unpacked it and hooked it up it would be able to do something right away.

So I started writing one for the Junebug 18F1320. I've written a simple polled RS232 version and also an interrupt driven version (receive, anyway). The programs don't test absolutely everything on the board yet, as I didn't have some components installed yet when I wrote them.

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Firefly PortB Mod

thumbThe Blueroom Electronics Firefly is a PIC 16F88 tutor and a companion project for the Inchworm+ ICD2 kit. Firefly can be built as either a PIC ZIF socket adapter or as a PIC tutor with debug support.

 

Since the Firefly has no pinout for PortB and therefore virtually no access to it, I decided it would be good to do a PortB mod for the Firefly, similar to my PortB mod for the Junebug.

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Junebug ADC
thumbI've written a program for Junebug that reads VR1 and VR2 and flashes LED 1 with delay set by VR1 and flashes LED 2 with delay set by VR2.

When both pots are full CCW (counter-clockwise) the LEDs will appear to both be on full time. They are both blinking still, but very quickly.
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PIC 16F84 Simple Demo

thumbThis is a demo board I did to show an online newb how to do something. Uses the ancient and obsolete 16F84 chip.

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