| Electronics > Projects, Designs, and Technical Stuff |
| Playable electronic modules - modules in action |
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| nctnico:
I ended up making my own modules for it. |
| HendriXML:
--- Quote from: nctnico on March 10, 2019, 09:41:11 pm ---I ended up making my own modules for it. --- End quote --- Found a site with some of those kits. I can’t really find the one I had. http://www.sjelab.nl/sjelab.htm http://www.rrd.demon.nl/Philips%20experimenteerdozen/Philips%20experimenteerdozen.htm It think my one box was a bit limiting. But that makes it also easy to create stuff with more possibilities for my offspring :-+ While doing a quick comparison, I think Phillips kits where more component based, instead of module based. But in the end to what extend things can be combined does matter. With modules that could be less. (I’ll throw in a Arduino then :phew:) Interacting with Lego to make mechatronic projects is important for long term playability. Thus that is one of the goals I’ll keep in mind. |
| Cyberdragon:
Lego already has two robotics kits available. |
| HendriXML:
--- Quote from: Cyberdragon on March 12, 2019, 03:01:35 pm ---Lego already has two robotics kits available. --- End quote --- I know, and they’re nice but not cheap. DIY can go well beyond of what they’re offering. Certainly not because it’s better, but because it does not need to be as good. With personal use, one can get away with “ugly” solutions. I tend to make a lot and different kinds of them if it becomes a success. |
| HendriXML:
The high/low module will be controlled with 2 types of switches. One push button and one toggle switch, wired to a female Dupont connector as shown on the photo. I measured the bouncing (MeasureA) to get an idea. Then I tested with a 100nF capacitor RC circuit (MeasureB). Because this still showed bouncing, so I went to 1uF, the next one I had on stock. The graphs are shown. Instead of a normal inverter, the switches will drive a Schmitt-trigger inverter (SN74HC14). Later on I will do some testing with the SN74HC14 to see how much the delays will be in practice. |
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