Monitoring System
AssemblyInstrumentation and PLC that track the biology and gas line, alarming before the process sours. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Monitoring System parts and their functions
9 top-level parts · 13 parts in total · full bill of materials below
| # | Part | Qty | What 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 | Microcontroller | 1× | PLC |
| 3 | SMD Passive (R/C/L) | 1× | Surface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board. |
| 4 | Biogas Analyzer | 1× | CH4/CO2/H2S/O2 |
| 5 | pH Probe | 1× | Retractable electrode watching slurry pH; a slide below 6.8 warns of acid souring. |
| 6 | Pressure Sensor | 2× | Gas + slurry head |
| 7 | Fill Level Sensor | 1× | Slurry level radar |
| 8 | LCD Panel | 1× | HMI |
| 9 | Relay | 4× | Electromechanical switch in which a small coil current closes or opens contacts rated for a much larger load, isolating control circuits from what they switch. |
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Bill of materials for Monitoring System
9 top-level lines · 9 rows shown · 13 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 | Microcontroller | mcu | 1× | 1 | · | part |
| 3 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 4 | Biogas Analyzer | anaerobic-digester-gas-analyzer | 1× | 1 | · | part |
| 5 | pH Probe | anaerobic-digester-ph-probe | 1× | 1 | · | part |
| 6 | Pressure Sensor | pressure-sensor | 2× | 2 | · | part |
| 7 | Fill Level Sensor | anaerobic-digester-fill-sensor | 1× | 1 | · | part |
| 8 | LCD Panel | lcd-panel | 1× | 1 | · | part |
| 9 | Relay | relay | 4× | 4 | · | part |
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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 $3–$400. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳BOE
boe.com ↗
|
Beijing, CN | Display panels | 1,000 pcs | 6–10 wks |
|
🇨🇳Tianma
tianma.com ↗
|
Shenzhen, CN | Display panels | 1,000 pcs | 6–10 wks |
|
🇨🇳TCL CSOT
szcsot.com ↗
|
Shenzhen, CN | Display panels | 1,000 pcs | 6–10 wks |
| truly.net ↗ | Shanwei, CN | Displays & camera modules | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |