Wiki source code of 3D printed toy train

Last modified by Victor Zhang on 00:33, 22/07/2020
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1 {{container layoutStyle="columns"}}
2 (((* Brief Description:
3 ** This is a 3d printed toy train that conforms to the standard of Tomica train
4 [[Tomica Track>>https://www.takaratomy.co.jp/english/products/tomica/0004.html||target="_blank]] With a BLE interface through [[MH-ET Live ESP32 Kit>>http://mh.nodebb.com/topic/2/mh-et-live-esp32-devkit||target="_blank]]
5 [[image:V2,1Print_All_Parts.png||height="501" width="640"]]
6 ** The top cover is not mandated
7 * Other resources
8 ** [[The L293DD H-Bridge board to fabricate and The sketch to run on MH-ET Live ESP32 Kit>>https://bitbucket.org/victorzzt/bleesp32train/src/master||target="_blank]]
9 * Other parts needed
10 ** Powerbank (1S, Solderless, 18650 Li-on x 1)
11 [[image:Charger.jpg||alt="Gear" height="336" width="400"]]
12 ** Screws and nuts:
13 *** m2x6 8pcs
14 *** m2x25 4pcs
15 *** m2x10 1pc
16 *** m2x30 2pcs
17 *** m2 Nuts 15pcs
18 ** Shafts
19 *** m2 x 30 1pc, m2 x 40 1pc
20 ** Shaft clipper
21 [[image:ShaftNuts.jpg||alt="ShaftNuts" height="133" width="200"]]
22 ** GA12-N20 (Use 6V, the one in the picture is hard to find, needs to grind the shaft down to M2 x 8mm)
23 [[image:Motor.jpg||alt="Motor,Motor.jpg" height="407" width="400"]]
24 ** C15-2A
25 [[image:Gear2.png||alt="Gear2" height="205" width="200"]]
26 ** 08-2A x 1 inside the picture below
27 [[image:Gear.jpg||alt="Gear" height="300" width="400"]])))
28 ((({{video width="100%" height="960" attachment="Working.mp4"/}}
29 * Assemble
30 ** Shell
31 [[image:Assemble.png||alt="Assemble" height="410" width="400"]]
32 ** Controller
33 [[image:Electronics.png||alt="Electronics" height="298" width="401"]]
34 * Known Issues:
35 ** Wheel traction not enough to climb slope more than 15 Degs
36 ** Connection at the "-" Side of the battery relatively weak)))
37 {{/container}}
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