Electronics > Projects, Designs, and Technical Stuff
Playable electronic modules - modules in action
HendriXML:
The resistors are doing pull ups. I call them pull up resistors.
Also added an extra cap, because the modules may get long power wires while chaining them.
radix:
The toy looks interesting, but I keep having thoughts about something. Be careful that the modules aren't left lying on the floor. Stepping on one would hurt much much more than stepping on a lego. :) Maybe you should think about right angle headers...
HendriXML:
--- Quote from: radix on March 06, 2019, 02:07:31 am ---The toy looks interesting, but I keep having thoughts about something. Be careful that the modules aren't left lying on the floor. Stepping on one would hurt much much more than stepping on a lego. :) Maybe you should think about right angle headers...
--- End quote ---
The modules know how to defend them selves :-+
But you’re absolutely right, stepping on Lego is unpleasant, stepping on those pinheaders would get bloody. Thanks for pointing that out. I envisioned the modules to be played with at the kitchen table, but that being obligatory is a real disadvantage.
Angled headers would be much better in this regard, but are also more inconvenient. So I need to give this one more thought.
OM222O:
Just a side note: you can get 10 PCBs for 2$ from jlcpcb (+ shipping which depends on what you choose). I think that will end up being more convinient and actually lower cost rather than using a perf board and wires to solder everything together. You can print and put the symbol of the gate on the top as well so the same pcb can be reused for all of the gates. It' also a lot easier if you want to add leds on the inputs/outputs.
HendriXML:
I found a graceful solution.
First the direction of the modules will change 90 deg (thus portrait). Inputs on the left, outputs on the right. This will give a better view on the sticker. (And follows a common design rule.)
The headers will move to the edges. Where they are sided with a 3D printed wall (5mm thick).
The powerheaders will also move, one on the topleft and on on the topright edge.
Maybe I can make the modules click to each other with magnets, there would be room in the walls for that. However 3D printing holes in that direction is not very precise.
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