| Electronics > Projects, Designs, and Technical Stuff |
| Borderlands style jewelry box research thread |
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| Ian.M:
Ignore the spare ground pad - its just there to give you another option for the wire order in a three wire flat cable hooking them up. Whether you use the SOT-23 BAT54S or a pair of BAT43 depends on how good you are at soldering tiny parts. I'd suggest ordering both, as even if you go with the BAT54S, some small Schottkys are useful to have around, and you'll need the through-hole parts if you want to breadboard it so you can start on the Arduino software while you are still figuring out how to make it all fit in the base of the box. |
| Youkai:
Is this what I would use in my chest to connect the wall wart to? https://www.jameco.com/z/CD022-Velleman-2-1mm-x-5-5mm-Female-DC-Plug-to-Screw-Terminal-5-Pack-_2153916.html EDIT: Also umm . . . where can I get the BAT54S. The only place I see with them in stock is this and I don't nee 3000 of them: https://www.jameco.com/z/BAT54S-7-Diodes-Zetex-Diode-Schottky-30-Volt-0-2A-3-Pin-SOT-23-Tape-and-Reel_1589814.html EDIT 2: Same for the BAT43. Can't seem to find it. Is there a similar product with a different number? I looked to find a 30v 200mA shottky but couldn't. |
| Ian.M:
The CD022 is the wrong gender. The wallwart will have a plug like the CD022 (or maybe with a 2.5mm center pin), and you need a matching socket: probably PCB mount with solder terminals, or maybe chassis mount. Try Mouser USA. Their parametric search shows a wide range of Schottkys <50V, <200mA in stock, and minimum order quantity 1(cut tape). Any small Schottkys will do for the protection diodes. |
| Youkai:
Ok I think I got it sorted. Attached is what I hope is the final schematic. Please review and confirm that looks correct to you. Also here is my "shopping list" to make sure I got the correct parts. You can ignore the numbers in parenthesis; I'm intentional ordering more than I need of some components. Also I left off things I already have: ex. 10k resistors. Jameco Header Pins (many): https://www.jameco.com/z/2012-254-20-0-100-2-54-mm-20-Pin-Straight-Single-Row-Male-Header-br-Breakable_2229036.html Wall Adapter (x1): https://www.jameco.com/z/GS18U09-P1J-MEAN-WELL-2-Wire-AC-to-DC-Regulated-Switching-Wall-Adapter-18W-9VDC-2A-2-1mm-Plug_1952847.html 1000uf capacitor (x5): https://www.jameco.com/z/EEU-FM1C102-Panasonic-Capacitor-Aluminum-Electrolytic-1000uF-16-Volt-20-10-X-20mm-Radial-5mm-2180mA-5000h-105C_1361561.html Schottky 20V 3A - for reservoir rail (x6): https://www.jameco.com/z/1N5820-Major-Brands-Diode-Schottky-20-Volt-3A-2-Pin-DO-201AD_177973.html Schottky Diodes 200mA 30V - pixel protection (x20): https://www.mouser.com/ProductDetail/Vishay-Semiconductors/BAT43-TAP?qs=sGAEpiMZZMtQ8nqTKtFS%2fCT6%2f0RNrmfHlPqgqRLTrGU%3d 0.1µF capacitor (x10): https://www.jameco.com/z/DC-1-25-Capacitor-Ceramic-Disc-0-1-micro-F-25V-plusmn-20-37-_151116.html Photointerrupter (x3): https://www.jameco.com/z/H21A3-Major-Brands-Photointerrupter-Transmissive-3-3mm-Phototransistor-4-Pin-Rail_320901.html Strip board (x3): https://www.jameco.com/z/ST2--Busboard-Prototype-Systems-Traditional-Stripboard-Pattern-Prototyping-Circuit-Board-100-x-80mm_2191496.html Barrel Plug receiver (x1): https://www.jameco.com/z/WTJ-020-37A-2-1mm-Male-DC-Power-Jack-Breadboard-PCB-Mount-_2210677.html?CID=MERCH Sparkfun Pro Micro: https://www.sparkfun.com/products/12640 Adafruit NeoPixel (x6): https://www.adafruit.com/product/2869 Button (x1): https://www.adafruit.com/product/482 Hobby Store Hi-Tech 311 Servo (x3): https://www.servocity.com/hs-311-servo |
| zitt:
Duuuuuuude.... I totally need one of these to scale for my Pinball project: https://pinside.com/pinball/forum/topic/borderlands-the-pinball |
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