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Control & User Interface

Assembly

An embedded PLC that runs counting algorithms, validates coin counts match the wrapped roll standard, orchestrates heater and motor timing, and displays status via LCD. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Control & User Interface parts and their functions

7 top-level parts · 14 parts in total · full bill of materials below
Control & User Interface parts diagram: 1 microcontroller, 2 bare PCB, 3 SMD passive (R/C/L), 4 power MOSFET, 5 LCD panel, 6 relay, 7 connector. 14 parts in 7 top-level items.
Control & User Interface 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-M4 or industrial PLC, 32-bit, 256 MB RAM, 16 MB flash, ~0.5 W idle
2 Bare PCB 1× Multi-layer board with stepper drivers (×2), relay buffers for heater SSR, sensor conditioning
3 SMD Passive (R/C/L) 1× Resistor dividers, capacitors, snubbing diodes for inductive loads
4 Power MOSFET 4× Gate drivers for solenoid gates and hopper motor relay switching
5 LCD Panel 1× 16×2 or 20×4 character display shows count, temperature, roll status
6 Relay 2× High-current switching for heater SSR and main motor enable
7 Connector 4× USB or serial for coin denominations config, power jack 24 VDC, sensor/motor harness

3D model

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Build & assembly graph

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Bill of materials for Control & User Interface

7 top-level lines · 7 rows shown · 14 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Microcontroller mcu 1× 1 · part
2 Bare PCB pcb-bare 1× 1 · part
3 SMD Passive (R/C/L) smd-passives 1× 1 · part
4 Power MOSFET mosfet 4× 4 · part
5 LCD Panel lcd-panel 1× 1 · part
6 Relay relay 2× 2 · part
7 Connector connector 4× 4 · part

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Where the control & user interface 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 $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks