Speed Controller Assembly
Footswitch PWM module varying handpiece motor frequency from 50–150 Hz based on pedal position. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
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 | Control PCB | pmu-machine-control-pcb | 1× | 1 | — | part |
| 2 | Footswitch Input | pmu-machine-footswitch-input | 1× | 1 | — | part |
| 3 | Motor Driver Chip | pmu-machine-motor-driver-chip | 1× | 1 | — | part |
| 4 | Display LCD | pmu-machine-display-lcd | 1× | 1 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 100 pcs | 2–4 wks |