Basic picaxe projectboard question
By Anonymous
May 30, 2008
May 30, 2008
A very basic picaxe 28 project board question. To try out the led flasher example in the Picaxe manual, would this work?
All the points below relate to 'F' connection in the picture.
connect a jumper from the hole at the edge of the projectboard next to output pin 4 (via darlington driver) to breadboard
connect a resistor and -ve of led from the above point in breadboard
connect +ve of led to +strip on breadboard
connect jumper from +ve in breadboard to V hole
Got it working!
Got it working!
@ Sat, 2008-05-31 09:18
There's life :D / Fritsl
There's life :D
/ Fritsl
Ah thanks Fritsl! I got the
Ah thanks Fritsl! I got the ribbon cables, one end I understood I need to connect to the output pins, the other end of the ribbon was just flat. From the picture I see that I need to separate them individually and strip them. The pic helps immensely.
Another related question. If I don't wish to use the ribbon cables, can I plug in the positive terminal of the led to pin hole 4 in 'F' and negative terminal of the led to any of the 'G' holes? In your 'Picaxe for dummies' article, you mention that F is used only for inter-IC communications, so I'm not sure if this can be used as an output point.
@ Fri, 2008-05-30 22:22
You can take the signal /
You can take the signal / voltage - whatever the word is - straight from the IC. But why? Anyway, yes, it is just not good at driving anything stronger than a LED.. or as a signal to someting (cannot draw many amp, or whatever the term is :D)
Anyway - this starts to sound like an electronics-question, and I do not have a clue there :)
/ Fritsl
Thanks fritsl. I've been
Thanks fritsl. I've been looking at it. That's probably the best description of the 28X starter pack! To connect an LED to say output pin 4 and ground (lets ignore the resistor for this discussion), I connect the negative of the led to any of the G points. How do I connect the positive of the LED to pin 4? Do I solder it to pin 4 in F? That can't be right! :)
G points have a hole so I can slip in the negative terminal of the led to it. 4 pin is a male header - how do I physically connect the positive terminal of the led to pin 4 (F) without soldering?
@ Fri, 2008-05-30 22:08
See here how I use the
See here how I use the ribbon, stribbed down wires etc.. (Please note that I turned the cable around so it goes over the board instead of away from - to save space)
- and here how I use another (Red) connector to hook up to 2 inputs:
Pictures from http://picasaweb.google.com/fritslyneborg/WallRacers
/ Fritsl
@ Fri, 2008-05-30 21:55
"How do I connect the
"How do I connect the positive of the LED to pin 4? Do I solder it to pin 4 in F? That can't be right! :)"
If you bought the starter-pack, they should have included 2-3 grey flat ribbon cables with connectors and lots of wires.. These wires can be used. In the wire there is both access to G's, V's and all the in-sand outs.
You can find illustrations of the cables, and what goes to what in the manual for the board.
If your supplier did not include the ribbon cables, perhaps you should ask them?
Otherwise, all the sockets are standard, and so are all the holes. In your case, as I read it, you should not need "the holes". However - if you do, also these are in standard distance etc - so basicly every connector your electronics supplier will sell you will do.
You can get both pins, male & female for all of it - 1, 2, 3.. 32 and up number of legs or holes.. And there are tons of ways to do it - as said, it is all standard in distance and length etc. I have seen some people here also write about how they rip old PC's to get (extra) connectors.
/ Fritsl
@ Fri, 2008-05-30 21:51
You can connect it without
Thanks jklug! Here's my
Thanks jklug! Here's my problem:
G points have a hole so I can slip in the negative terminal of the led to it. 4 pin is a male header - how do I physically connect the positive terminal of the led to pin 4 (F) without soldering?
BTW, your breadboard basics II article was awesome! With just the breadboard and PICAXE 28, I can follow your article, but I wanted to try this out with the starter pack hence the confusion.
-ve = NEGATIve+ve = POSITIve
-ve = NEGATIve
+ve = POSITIve