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AI Overview

IoT WiFi smart dehumidifier circuit boards integrate Wi-Fi modules (often

ESP8266 or ESP32) with humidity sensors (e.g., DHT11/DHT22) to enable remote monitoring and control via apps like Blynk or Home Assistant. These boards allow users to adjust setpoints, switch modes, and manage humidity levels via MQTT or HTTP, often used to automate existing dehumidifiers.

Key Features and Components

Microcontrollers: ESP8266 D1 mini or ESP32 are commonly used for Wi-Fi connectivity and relay control.
Sensor Integration: DHT11/DHT22 sensors monitor ambient humidity and temperature.
Control Mechanisms: Relays on the board control the compressor, fan, and, if applicable, the water pump.
Smart Features: Enables scheduling, humidity setpoint adjustments, and real-time alerts via IoT apps.
DIY & Replacement: ESP8266 modules can be used to add smart functionality to non-smart units by interfacing with existing buttons.

Applications

Smart Upgrades: Upgrading existing dehumidifiers with smart functionality, such as AprilAire modules .
Industrial/Commercial: Specialized control boards for manufacturer-specific units.
Smart Home Ecosystems: Compatible with platforms like Home Assistant or MQTT-based systems.

Common Board Types

ESP8266/ESP32 Boards: Low-cost DIY, often used with ESPHome or Blynk.
Proprietary Control Boards: Specialized, branded PCB assemblies found on Alibaba or through OEMs.

Turn ANY Device into a Smart Device with ESP8266
Sep 16, 2025 — this finally gives me access to the control board the power board and the small board that has the RGB leads and the water level s...

YouTube · Adrian Slabu

5m
Temperature & Humidity Controller using ESP32 & Blynk IoT
Mar 25, 2025 — so get your first prototype PCV ready from PCB way.com the link is in the description. below just click on the PCB instin tab then...

YouTube · IoT Projects Ideas

6m
WIFI Dehumidifier Electric Control Board
ZHONGSHAN CHENGYUAN DIGITAL ELECTRONIC TECHNOLOGY CO., LTD. is one of the best manufacturer, supplier & Exporter of WIFI Dehumidif...

www.gdliaoyuancn.com

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Dehumidifier Revamped for the IoT Era

Circuit Cellar

https://circuitcellar.com › research-design-hub › dehumi...

Circuit Cellar

https://circuitcellar.com › research-design-hub › dehumi...

Jun 17, 2020 — The new controller enables several IoT -era features like Web-based control via smartphone, efficiency monitoring and time-of-day scheduling. Read more

Missing: ~~WiFi~~ ‎| Show results with: WiFi

Dehumidifier Controller Pcb(999+)

Alibaba.com

https://www.alibaba.com › ... › Dehumidifiers

Alibaba.com

https://www.alibaba.com › ... › Dehumidifiers

Shop online for dehumidifier controller PCBs with low power consumption, ideal for SMT dry cabinets. Available at an average price around $481.41, ...

ESP8266 DHT11 WiFi Temperature Humidity Sensor Module

Capitol Hardscapes

https://capitolhardscapes.com › index.php › Humidity-S...

Capitol Hardscapes

https://capitolhardscapes.com › index.php › Humidity-S...

The setup is straightforward - you've got the reliable ESP8266 WiFi module paired with the trusty DHT11 temperature and humidity sensor , all on one convenient ... Read more

$3.00 (1,174)

Missing: ~~dehumidifier~~ ‎ ~~circuit~~

Pcb Board For Dehumidifier(138)

Alibaba

https://www.alibaba.com › ... › PCB & PCBA › PCBA

Alibaba

https://www.alibaba.com › ... › PCB & PCBA › PCBA

Best for: Premium and smart dehumidifiers with IoT connectivity , advanced diagnostics, and precision humidity control. Flexible PCB. Made from flexible ... Read more

Wifi IoT Relay Board Based on ESP8266

ElectroDragon

https://www.electrodragon.com › Store

ElectroDragon

https://www.electrodragon.com › Store

The purpose of this design is for learning how to play with the hardware and software of a IOT project, it is based on price competitive wifi module ESP8266. Read more

Top-grade NB-IoT Boards, sensors | Modular IoT Device

RAKwireless Store

https://store.rakwireless.com › collections › nb-iot-boards

RAKwireless Store

https://store.rakwireless.com › collections › nb-iot-boards

The NB- IoT boards are ready-to-use products based on Quectel modules. Likewise, they come in various form factors, and contain pre-equipped with sensors. Read more

$40 to $526 2–6 day delivery 30-day returns

Missing: ~~dehumidifier~~ ‎ ~~circuit~~

IoT Indoor system with ESP32 to monitor Temperature ...

PCBWay

https://www.pcbway.com › project › shareproject › IoT_...

PCBWay

https://www.pcbway.com › project › shareproject › IoT_...

May 15, 2024 — Create an air quality, temperature, humidity and pressure monitor and make the data available on the internet through the ESP32.

IoT Temperature & Humidity Monitoring & Control System ...

YouTube · IoT Projects Ideas

11.3K+ views · 2 years ago

YouTube · IoT Projects Ideas

11.3K+ views · 2 years ago

15:26

In this project, we will make a temperature and Humidity monitoring and control system using an ESP32 WiFi module and view data on the blynk ...

11 key moments 11 key moments in this video

From 00:00

Overview: IoT Temperature & Humidity Monitoring & Control System

From 01:30

Features of IoT Temperature & Humidity Controller

From 05:06

Components Required

From 06:00

Circuit Diagram & Connection

From 07:02

Project PCB Gerber File & PCB Ordering Online

From 08:00

Setting up Blynk IoT Web Dashboard

From 10:50

Adding New Device to Blynk Dashboard

From 11:25

Source Code/Program

From 12:51

Blynk IoT Mobile App Dashboard

From 13:52

Testing: IoT Temperature & Humidity Monitoring & Control System with ESP32 & Blynk

Missing: ~~dehumidifier~~ ‎| Show results with: dehumidifier

IoT WiFi smart dehumidifier circuit board - RUICHUN

ruichunpcba.com

https://www.ruichunpcba.com › tag › iot-wifi-smart-deh...

ruichunpcba.com

https://www.ruichunpcba.com › tag › iot-wifi-smart-deh...

Our smart control board serves as the high-performance command center designed for professional dehumidification equipment. As a premier Wi-Fi Smart ... Read more

More products

36% OFF

LG Part #ebr82727401, Dehumidifier Electronic Control Board | 13.00 x 11.00 x 2.00

$80.64 $127

Sears PartsDirect

36% OFF

LG Part #ebr82727401, Dehumidifier Electronic Control Board | 13.00 x 11.00 x 2.00

$80.64 $127

Sears PartsDirect

Jaycar Wi-Fi Mini Main Board

LatestBuy

Jaycar Wi-Fi Mini Main Board

LatestBuy

LG Dehumidifier Main Control Board 6871A20888D | LG

$69.99 Pre-owned

eBay - bestbuywholesale1

Free delivery

LG Dehumidifier Main Control Board 6871A20888D | LG

$69.99 Pre-owned

eBay - bestbuywholesale1

Free delivery

AprilAire 70000238 Wi Fi User Interface for Dehumidifier

NorthStock

Free delivery

AprilAire 70000238 Wi Fi User Interface for Dehumidifier

NorthStock

Free delivery

IoT hardware selection - Module, PCBA, Chip, Development ...

Tuya

https://solution.tuya.com › hardwareSelection

Tuya

https://solution.tuya.com › hardwareSelection

Tuya - Hardware Selection Center provides customers with application cases of IoT , IoT -related communication modules, PCBA, development boards , ...