Access Log & Audit Controller
AssemblyAn embedded storage and logging module that records every box access, timestamp, customer ID, box ID, duration, operator, with tamper-evident write-once capability. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Access Log & Audit Controller parts and their functions
6 top-level parts · 6 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Bare PCB | 1× | Multi-layer board with SD card socket, RTC (real-time clock) with battery backup |
| 2 | Rtc Module | 1× | DS3232 or equivalent, maintains wall-clock time even during power outages via coin-cell battery |
| 3 | Sd Card Socket | 1× | Standard microSD or SD card slot, supports up to 32 GB storage (~10 years of 20-box logs at 100 accesses/day) |
| 4 | Write Protect Switch | 1× | Hardware switch prevents accidental SD card overwrite or deletion during service |
| 5 | Microcontroller | 1× | ATmega328 or similar, 32 KB flash, sufficient to buffer one week of log entries to SD card on boot |
| 6 | Connector | 1× | Mini-USB port for log download and field diagnostics |
3D model
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Bill of materials for Access Log & Audit Controller
6 top-level lines · 6 rows shown · 6 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 | Rtc Module | safe-deposit-system-rtc-module | 1× | 1 | · | part |
| 3 | Sd Card Socket | safe-deposit-system-sd-card-socket | 1× | 1 | · | part |
| 4 | Write Protect Switch | safe-deposit-system-write-protect-switch | 1× | 1 | · | part |
| 5 | Microcontroller | mcu | 1× | 1 | · | part |
| 6 | Connector | connector | 1× | 1 | · | part |
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Where the access log & audit 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 |
|---|---|---|---|---|
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🇨🇳JLCPCB
jlcpcb.com ↗
|
Shenzhen, CN | PCB fabrication | 100 pcs | 2–4 wks |
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🇨🇳PCBWay
pcbway.com ↗
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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 |