This is Plug and Play kit, firmware and sound already flashed on board.
Worldwide delivery.
What has been updated:
1. New board with motor overcurrent protection, the ability to rotate the motor in both directions, more accurate battery monitoring, and app support (including over-the-air firmware updates and the possibility of adding new features in the future). Improved energy efficiency now allows operation from 9 AAA Li-ion or NiMH batteries.
2. New motor — more efficient and reliable, with a shaft that can be rotated manually, allowing the chain to be moved by hand when necessary.
3. New battery compartment designed for AAA batteries.
4. Volume and motor speed control through the app.
Processing time – 1 -3 week
Kit include.
| Screw M5x20 | 4 |
| Screw M4x20 | 16 |
| Screw M4x16 | 9 |
| Screw M4x8 | 3 |
| Screw M3x5 socket head | 4 |
| Screw M3x8 | 10 |
| Screw M3x16 | 8 |
| M5 nut | 4 |
| M4 nut | 28 |
| M3 nut | 8 |
| Aluminium tube 35x32x750 | 1 |
| Spring | 1 |
| Bearing 604zz | 2 |
| Alex Geek board | 1 |
| Button with wire | 1 |
| Display with wire | 1 |
| Potentiometer with wire (volume control) | 1 |
| Battery case with BMS board | 1 |
| Motor with wire | 1 |
| 5w 4 ohm speaker with wire | 2 |
| On/Off switcher with wire | 1 |



Erik (verified owner) –
The electronics kit works great.
Anonymous (verified owner) –
God kit.but it causes a lot of problems
Burt M. (verified owner) –
well assembled kit
Emilia (verified owner) –
Great kit, the thing built itself. Each plug having its designated size is great and foolproof. Only thing is the wires might’ve been a little short but nothing some cutters to the axe didn’t fix.
Martijn Rochus (verified owner) –
easy instrutions to connect and to use