Longruner stepper motor driver teardown, review and first startup | Motor for 3d printer or CNC

Описание: In this video we take a look at the longruner stepper motor driver and the longruner stepper motor. We tear down the driver and check how it works and the build quality, then we build everything into a circuit which allows us to do a first test of the device and the supplied motor.

0:00 - Introduction
0:30 - Teardown of driver
4:57 - Circuit Analysis
10:14 - How to identify pinout of stepper without multimeter
11:23 - Requirements for driving the motor
12:04 - Construction of driving circuit
15:32 - IT WORKS
17:20 - Circuit description and drawing
19:32 - Tweaking and final thoughts

Description from amazon:
Longruner NEMA 17 Stepper Motor, Bipolar Stepper Motor Driver For 3D Printer CNC 1.7 A/24 V 42x40 mm Body 4 Lead Stepper Motor & 32 Segments 4 A 40 V 57/86 Stepper Motor Driver LD09

The main driver IC is from Toshiba, part number: TB67S109AFTG

Datasheet:
https://toshiba.semicon-storage.com/a...

I also used a 555 timer in an astable oscillator mode, more info here:
https://www.electronics-tutorials.ws/...
& the 555 datasheet:
https://www.ti.com/lit/ds/symlink/lm5...

The linear regulators used are the LM7805, LM7812 and LM7818. Configuration info here:
http://www.circuitdiagram.org/lab-pow...

Link to the actual thing that I bought:
https://www.amazon.de/gp/product/B07F...

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