Difference between revisions of "Electric Bobby Car Hoverboard Upgrade"
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(Created page with "This project puts two pairs of hoverboard motors in a Bobby Car toy vehicle, to give it 4x4 traction and a top speed of 29km/h with turbo activated. == Specifications == * Pr...") |
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* Project start: January 2019 | * Project start: January 2019 | ||
* Main controller: STM32F103 72MHz ARM Cortex-M3 core | * Main controller: STM32F103 72MHz ARM Cortex-M3 core | ||
** Flasher: ST-Link V2 Programming Unit clone | |||
* Motors: 4x direct drive 3-phase brushless DC electric wheel hub motors, 36V 350W ea | * Motors: 4x direct drive 3-phase brushless DC electric wheel hub motors, 36V 350W ea | ||
* Tire type: non-pneumatic rubber tire, road pattern | * Tire type: non-pneumatic rubber tire, road pattern | ||
| Line 12: | Line 13: | ||
** Upgrade: External charger for anything else | ** Upgrade: External charger for anything else | ||
* Internal connectors: JST Sales America B4B-XH-A(LF)(SN) 2.5mm pitch | * Internal connectors: JST Sales America B4B-XH-A(LF)(SN) 2.5mm pitch | ||
* Vehicle base type: BIG New Bobby Car Red | |||
* Dimensions assembled: L57 x W30 x H39 cm | |||
* Original load-bearing: 50 kg max. | |||
== Inspiration == | == Inspiration == | ||
* [https://larsm.org/allrad-e-bobby-car/ Larsm Allrad e-Bobby Car] - great write up and custom firmware fork | * [https://larsm.org/allrad-e-bobby-car/ Larsm Allrad e-Bobby Car] - great write up and custom firmware fork | ||
* [https://github.com/NiklasFauth/hoverboard-firmware-hack Niklas Fauth Hoverboard firmware hack] - original firmware | * [https://github.com/NiklasFauth/hoverboard-firmware-hack Niklas Fauth Hoverboard firmware hack] - original firmware | ||
Revision as of 17:40, 27 February 2019
This project puts two pairs of hoverboard motors in a Bobby Car toy vehicle, to give it 4x4 traction and a top speed of 29km/h with turbo activated.
Specifications
- Project start: January 2019
- Main controller: STM32F103 72MHz ARM Cortex-M3 core
- Flasher: ST-Link V2 Programming Unit clone
- Motors: 4x direct drive 3-phase brushless DC electric wheel hub motors, 36V 350W ea
- Tire type: non-pneumatic rubber tire, road pattern
- Tire size: 7-inch / 170 mm
- Battery: Lithium-ion rechargeable 18650-cells, 10S2P 36V 4400mAh 158.4Wh pack with XT60 connector
- Upgrade: Controller can handle 13S (48V), 12S battery upgrade easiest
- Charger: Lithium-ion charger 42V 2A 3-pin connector with built-in fan
- Upgrade: External charger for anything else
- Internal connectors: JST Sales America B4B-XH-A(LF)(SN) 2.5mm pitch
- Vehicle base type: BIG New Bobby Car Red
- Dimensions assembled: L57 x W30 x H39 cm
- Original load-bearing: 50 kg max.
Inspiration
- Larsm Allrad e-Bobby Car - great write up and custom firmware fork
- Niklas Fauth Hoverboard firmware hack - original firmware
