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Discussion History

Control Board

Assembly

The mainboard that fuses an IMU into a balance loop and drives the three motor phases, running the inverter, the balancing controller, and rider interface together. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Control Board parts and their functions

7 top-level parts · 221 parts in total · full bill of materials below
Control Board parts diagram: 1 logic mainboard, 2 three-phase inverter stage, 3 bluetooth module, 4 alarm buzzer, 5 MOSFET heatsink, 6 connector, 7 wire bundle. 221 parts in 7 top-level items.
Control Board parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Logic Mainboard 7 parts 1× Logic and sensing
2 Three-Phase Inverter Stage 5 parts 1× Three-phase power stage
3 Bluetooth Module 1× App link
4 Alarm Buzzer 1× Tilt-back/alarm
5 MOSFET Heatsink 1× MOSFET cooling
6 Connector 6× Phase, battery, sensor headers
7 Wire Bundle 1× Internal harness

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Control Board

7 top-level lines · 19 rows shown · 221 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Logic Mainboard 7 parts self-balancing-unicycle-mainboard 1× 1 188 assembly
1.1 Bare PCB pcb-bare 1× 1 · part
1.2 Microcontroller mcu 1× 1 · part
1.3 IMU (6-axis) imu 1× 1 · part
1.4 Phase Current Sensor self-balancing-unicycle-current-sensor 3× 3 · part
1.5 Pressure Sensor pressure-sensor 1× 1 · part
1.6 SMD Passive (R/C/L) smd-passives 180× 180 · part
1.7 LED Driver self-balancing-unicycle-led-driver 1× 1 · part
2 Three-Phase Inverter Stage 5 parts self-balancing-unicycle-inverter-stage 1× 1 23 assembly
2.1 Power MOSFET mosfet 12× 12 · part
2.2 Gate Driver IC gate-driver-ic 3× 3 · part
2.3 DC-Link Capacitor self-balancing-unicycle-bulk-cap 4× 4 · part
2.4 Phase Current Sensor self-balancing-unicycle-current-sensor 3× 3 · part
2.5 Power Busbar self-balancing-unicycle-busbar 1× 1 · part
3 Bluetooth Module self-balancing-unicycle-bluetooth-module 1× 1 · part
4 Alarm Buzzer self-balancing-unicycle-buzzer 1× 1 · part
5 MOSFET Heatsink self-balancing-unicycle-heatsink 1× 1 · part
6 Connector connector 6× 6 · part
7 Wire Bundle wire-bundle 1× 1 · part

Where the control board is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Self-Balancing Unicycle

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳JLCPCB
jlcpcb.com ↗ 		Shenzhen, CN PCB fabrication 100 pcs 2–4 wks
🇨🇳PCBWay
pcbway.com ↗ 		Shenzhen, CN PCB fab & assembly 100 pcs 2–4 wks
🇨🇳Shennan Circuits
scc.com.cn ↗ 		Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
🇮🇳Shogini Technoarts
shogini.com ↗ 		Mumbai, IN PCB manufacturer 100 pcs 2–4 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 100 pcs 2–4 wks