Time-Locked Electronic Control
AssemblyA quartz-crystal timer that controls the [[rotary-deposit-safe-interior-collection-door]]'s solenoid bolts, preventing staff access to deposits outside programmed business hours. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Time-Locked Electronic Control parts and their functions
9 top-level parts · 14 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Microcontroller | 1× | ARM Cortex-M4 or ATmega328, 256 MB RAM, 16 GB SSD, runs timer logic and audit logging |
| 2 | Rtc Module | 1× | DS3232 real-time clock with battery backup for power-loss resilience |
| 3 | Bare PCB | 1× | Relay driver board for solenoid bolts, stepper driver for drum motor, sensor conditioning |
| 4 | Relay | 3× | Solenoid bolt relays (2×) + drum motor enable relay, inrush protection |
| 5 | Keypad | 1× | Membrane keypad for manager PIN/override (optional emergency access) |
| 6 | LCD Panel | 1× | 16×2 character LCD displays time, "Locked Until 07:00 AM" status |
| 7 | Power MOSFET | 2× | Gate drivers for solenoid coil inrush current (50+ A peak) |
| 8 | Connector | 3× | Solenoid bolt harness, stepper motor control, backup battery |
| 9 | Power Supply | 1× | 24 VDC 500W industrial supply with battery backup (12V 7 Ah) |
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Bill of materials for Time-Locked Electronic Control
9 top-level lines · 9 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 | Rtc Module | safe-deposit-system-rtc-module | 1× | 1 | · | part |
| 3 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 4 | Relay | relay | 3× | 3 | · | part |
| 5 | Keypad | safe-deposit-system-keypad | 1× | 1 | · | part |
| 6 | LCD Panel | lcd-panel | 1× | 1 | · | part |
| 7 | Power MOSFET | mosfet | 2× | 2 | · | part |
| 8 | Connector | connector | 3× | 3 | · | part |
| 9 | Power Supply | power-supply | 1× | 1 | · | part |
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Where the time-locked electronic control is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |