Audit Log & Controller
AssemblyAn embedded logging device that records each deposit event, timestamp, envelope ID, security alerts, and maintains an immutable SD card archive for reconciliation and regulatory audit. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Audit Log & Controller parts and their functions
7 top-level parts · 10 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Microcontroller | 1× | ARM Cortex-M4, 256 MB RAM, 32 GB SSD, runs deposit counting and alarm logic; syncs to bank core via optional Ethernet |
| 2 | Bare PCB | 1× | Multi-layer board with RTC, SD card socket, relay drivers for alarm solenoids |
| 3 | Safe Deposit System Rtc Module | 1× | DS3232 real-time clock with coin-cell battery backup, maintains accurate timestamp during power outages |
| 4 | Safe Deposit System Sd Card Socket | 1× | Stores 10+ years of deposit logs (50 deposits/night × 365 nights = 18,250 deposits/year) |
| 5 | Relay | 2× | Alarm relays for silent alarm trigger and optional audible alert buzzer |
| 6 | Connector | 3× | Sensor harness, power jack 24 VDC, Ethernet for remote monitoring (optional) |
| 7 | Power Supply | 1× | 100W 24 VDC supply with battery backup (12V 7 Ah) for 8 hour hold-over on power loss |
3D model
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Bill of materials for Audit Log & Controller
7 top-level lines · 7 rows shown · 10 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 | Safe Deposit System Rtc Module | night-depository-safe-deposit-system-rtc-module | 1× | 1 | · | part |
| 4 | Safe Deposit System Sd Card Socket | night-depository-safe-deposit-system-sd-card-socket | 1× | 1 | · | part |
| 5 | Relay | relay | 2× | 2 | · | part |
| 6 | Connector | connector | 3× | 3 | · | part |
| 7 | Power Supply | power-supply | 1× | 1 | · | part |
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Where the audit log & controller 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 $1–$200. How estimates work| 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 |