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Discussion History

Speed Control Board

Assembly

Phase-angle board setting 5-9 speeds plus a momentary turbo boost. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Speed Control Board parts and their functions

7 top-level parts · 41 parts in total · full bill of materials below
Speed Control Board parts diagram: 1 bare PCB, 2 triac, 3 microcontroller, 4 SMD passive (R/C/L), 5 speed selector switch, 6 turbo button, 7 wire bundle. 41 parts in 7 top-level items.
Speed 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 Bare PCB 1× Unpopulated printed circuit board: copper traces etched on an FR-4 glass-epoxy laminate that carry current between the components later soldered to it.
2 Triac 1× Phase-angle switch
3 Microcontroller 1× Speed and soft-start logic
4 SMD Passive (R/C/L) 35× Surface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board.
5 Speed Selector Switch 1× Slide switch tapping board speed steps.
6 Turbo Button 1× Momentary push button forcing full power.
7 Wire Bundle 1× Group of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.

3D model

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Build & assembly graph

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Bill of materials for Speed Control Board

7 top-level lines · 7 rows shown · 41 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Bare PCB pcb-bare 1× 1 · part
2 Triac hand-mixer-triac 1× 1 · part
3 Microcontroller mcu 1× 1 · part
4 SMD Passive (R/C/L) smd-passives 35× 35 · part
5 Speed Selector Switch hand-mixer-speed-switch 1× 1 · part
6 Turbo Button hand-mixer-turbo-button 1× 1 · part
7 Wire Bundle wire-bundle 1× 1 · part

Where the speed control board is used

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

Used in 1 assembly

Hand Mixer

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