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Discussion History

Controller Board

Assembly

Microcontroller managing laser diode PWM, session timer, and safety interlocks. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Controller Board parts and their functions

4 top-level parts · 4 parts in total · full bill of materials below
Controller Board parts diagram: 1 microcontroller, 2 power MOSFET, 3 current limiter, 4 bare PCB. 4 parts in 4 assemblies.
Controller 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 Microcontroller 1× ARM Cortex M0+ microcontroller
2 Power MOSFET 1× High-side MOSFET driver (rated to 20A DC)
3 Current Limiter 1× Precision resistor array limiting diode current to 100–150 mA
4 Bare PCB 1× Single-sided or double-sided control PCB

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model — STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

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 Controller Board

4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Microcontroller mcu 1× 1 · part
2 Power MOSFET laser-hair-growth-cap-power-mosfet 1× 1 · part
3 Current Limiter laser-hair-growth-cap-current-limiting-resistor 1× 1 · part
4 Bare PCB pcb-bare 1× 1 · part

Where the controller board is used

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

Used in 1 assembly

Laser Hair Growth Cap

Sourcing: possible vendors

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