Electronics > Projects, Designs, and Technical Stuff
Playable electronic modules - modules in action
HendriXML:
Hi,
I'm in the process of creating playable electronic modules for my son (9).
For logic gate circuits I bought IC’s from the HD74LSXX series. The attached example will for instance be using a HD74LS86P. This should be somewhat ESD safe…I hope
The circuits will be mounted in a 3D printed box, with a symbol sticker on top and the IC’s as a dead bug on the bottom with connections to the (5V) power rails with a 100nF capacitor and IN and OUT pins of the IC.
The power rail can be daisy chained (?). I already made wires that split from 1 into 3 connectors. I’ve chosen for female connectors because they’re a bit safer (more isolated) to have them unconnected.
The modules will be connected with 20 cm (silicone) wires. I don’t know if this is problematic.
Before implementing this, I would like to know if I’m missing something..
Feel free to comment!
HendriXML:
I created all of the IC sticker (vector)drawings.
If someone is interested in those, let me know! The price per module is less than 1 euro all inclusive (my guess), so these toys will not become expensive. It will (probably) eventually evolve into stuff that can also drive Lego Technic.
They match a 5x7cm perf board. I'll laserprint them on plastic stickerpaper (AliExpress). In combination with Visio that stuff is also great to transfer very accurate measurements/positions of objects.
It is less sharp than printing on normal paper, but it can handle much more abuse.
ebclr:
Your sun will fell more fun on playing with this https://www.labcenter.com/
HendriXML:
--- Quote from: ebclr on March 03, 2019, 07:43:36 pm ---Your sun will fell more fun on playing with this https://www.labcenter.com/
--- End quote ---
Maybe, but these kids to day do a lot of virtual activities. I'd like to encourage him to do also real world stuff, with real world problems (and problem shooting) and these modules are a small step towards to that.
OM222O:
one suggestion would be to use small perf boards which can be daisy chained together rather than using the "6 gates in one box" approach. if you have each gate on a separate, smaller board, the wiring for more complicated projects in the future will be a lot easier, but using a box approach your wiring will become a spaghetti monster :D also you can put LEDs both on the inputs and outputs so it's more obvious how each gate is behaving.
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