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Control PCB

Assembly

The main microcontroller PCB orchestrating all electronics: motor control, BLE, GPS, alarm, and cloud connectivity. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Control PCB parts and their functions

5 top-level parts · 5 parts in total · full bill of materials below
Control PCB parts diagram: 1 MCU core, 2 flash memory, 3 power management IC, 4 motor driver IC, 5 SMD passive (R/C/L). 5 parts in 5 top-level items.
Control PCB parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 MCU Core 1× ARM Cortex-M4F (STM32L476 or similar), running firmware
2 Flash Memory 1× 512 KB or 1 MB flash for firmware and config storage
3 Power Management IC 1× PMIC distributing power to motor, BLE, GPS, and sensors
4 Motor Driver IC 1× Stepper motor driver (A4988 or DRV8825), 1.2 A per phase
5 SMD Passive (R/C/L) 1× Resistors, capacitors, inductors on PCB

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 PCB

5 top-level lines · 5 rows shown · 5 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 MCU Core smart-bike-lock-mcu-core 1× 1 · part
2 Flash Memory smart-bike-lock-flash-memory 1× 1 · part
3 Power Management IC smart-bike-lock-power-management-ic 1× 1 · part
4 Motor Driver IC smart-bike-lock-motor-driver-ic 1× 1 · part
5 SMD Passive (R/C/L) smd-passives 1× 1 · part

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Where the control PCB is used

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

Used in 1 assembly

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
scc.com.cn ↗ Shenzhen, CN PCB manufacturer 100 pcs 2–4 wks
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