Past works - 3D printed toy train

Page / - last modified by Victor Zhang on 20:05, 16/12/2019

3D printed toy train

last modified by Victor Zhang

on 20:05, 16/12/2019

Table of Contents

Brief Description:

This is a 3d printed toy train that conforms to the standard of Tomica train
Tomica Track With a BLE interface through MH-ET Live ESP32 Kit

The top cover is not mandated

Other resources

The L293DD H-Bridge board to fabricate and The sketch to run on MH-ET Live ESP32 Kit

Other parts needed

Powerbank (1S, Solderless, 18650 Li-on x 1)

Screws and nuts:

m2x6 8pcs

m2x25 4pcs

m2x10 1pc

m2x30 2pcs

m2 Nuts 15pcs

Shafts

m2 x 30 1pc, m2 x 40 1pc

Shaft clipper

GA12-N20 (Use 6V, the one in the picture is hard to find, needs to grind the shaft down to M2 x 8mm)

C15-2A

08-2A x 1 inside the picture below

Assemble

Shell

Controller

Known Issues:

Wheel traction not enough to climb slope more than 15 Degs

Connection at the "-" Side of the battery relatively weak