Humidity Controller Assembly
The electronics that modulate steam output 20–100% by adjusting water level and drain cycles, tracking a duct or room humidity setpoint with high-limit and airflow interlocks. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
7 top-level lines · 13 rows shown · 135 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Control Board 6 parts | steam-humidifier-control-pcb | 1× | 1 | 122 | assembly |
| 1.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 1.2 | Microcontroller | mcu | 1× | 1 | — | part |
| 1.3 | SMD Passive (R/C/L) | smd-passives | 110× | 110 | — | part |
| 1.4 | Relay | relay | 3× | 3 | — | part |
| 1.5 | Connector | connector | 6× | 6 | — | part |
| 1.6 | Power Supply | power-supply | 1× | 1 | — | part |
| 2 | LCD Panel | lcd-panel | 1× | 1 | — | part |
| 3 | Humidity Transmitter | steam-humidifier-humidity-sensor | 1× | 1 | — | part |
| 4 | High-Limit Humidistat | steam-humidifier-high-limit | 1× | 1 | — | part |
| 5 | Airflow Proving Switch | steam-humidifier-airflow-switch | 1× | 1 | — | part |
| 6 | Current Transformer | steam-humidifier-current-transformer | 1× | 1 | — | part |
| 7 | Connector | connector | 8× | 8 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$200 · MOQ & lead are typical| 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 |