Temperature Control Switch Module W1209

Name: Temperature Control Switch Module W1209
SKU: EK1995
Price: 120.00 EGP
Availability: InStock

The W1209 is a highly versatile, incredibly compact, and cost-effective 12V digital temperature controller module. Featuring a 3-digit LED display, onboard microcontroller, and an included waterproof NTC sensor, it is the perfect solution for DIY incubation, cooling systems, smart home automation, and custom thermal regulation projects.

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Description

Full Description

The W1209 Temperature Control Switch Module delivers precise thermal management in an ultra-compact footprint. Designed for both hobbyists and industrial prototypers, this module allows you to intelligently control power to most types of electrical devices based on the temperature sensed by the included high-accuracy NTC temperature probe.

Despite its small size and low cost, the W1209 operates with an onboard microcontroller (MCU), meaning no advanced programming is required to get started. It features a simple three-button interface (SET, +, -) to configure the trigger temperatures and access a menu of seven hidden parameters (P0–P6), allowing users to adjust heating/cooling modes, hysteresis, upper/lower limits, and calibration. The onboard relay can handle loads up to 10A, making it highly capable of driving fans, heaters, peltier coolers, and other high-draw components.

Key Features

Dual Operating Modes: Easily switch between Heating (triggers relay when temperature drops) and Cooling (triggers relay when temperature rises) modes.
High-Precision Sensing: Comes equipped with a waterproof NTC (10K 0.5%) sensor on a 50cm cable, allowing for safe liquid or enclosed-space temperature monitoring.
Onboard Memory: Retains your programmed settings and threshold values even after power loss.
Clear Visual Feedback: The bright 3-digit, 7-segment LED display provides real-time temperature readings alongside an onboard LED indicator that lights up when the relay is actively closed.
Industrial Build Quality: Features 100% machine patch components and wave soldering for stable, long-term performance.

Technical Specifications

Parameter	Specification
Operating Voltage	DC 12V
Temperature Control Range	-50°C to 110°C
Resolution	0.1°C (between -9.9°C and 99.9°C), 1°C (other ranges)
Measurement Accuracy	± 0.1°C
Control Accuracy	± 0.1°C
Refresh Rate	0.5 seconds
Sensor Type	NTC (10K 0.5%) Waterproof probe (0.5m length)
Output Type	1-Channel Relay Output
Relay Maximum Capacity	10A (up to 250V AC or 14V DC)
Static Current	≤ 35mA
Operating Current (Relay Closed)	≤ 65mA
Environmental Requirements	-10°C to 60°C (Humidity: 20% to 85%)
Dimensions	48mm x 40mm x 14mm

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Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
W1209	(standalone module)	usually not wired to a microcontroller at all

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Temperature Control Switch Module W1209

1 Example • C/C++ | Boards: Arduino Uno

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Temperature Control Switch Module W1209 - Arduino Uno

📄 File: temperature_control_switch_module_w1209_-_arduino_uno.inoArduino Uno

353 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// This module is a self-contained thermostat controller (DS18B20 probe + relay + onboard logic) meant to run standalone, not be driven by code. There's nothing to program here - wire your load through its relay and set the trip temperature with its own buttons.

6void setup() {}

7void loop() {}

Project Notes:

Standalone thermostat module (has its own DS18B20 sensor + relay) - typically used standalone, not driven by a microcontroller; shown here for reading its onboard NTC-based logic reference only. If you just want the relay behavior, no code is needed - the module runs on its own.

نظرة عامة ومواصفات المنتج — بالعربية

Temperature Control Switch Module W1209 متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Temperature & Humidity Sensor، بسعر 120,00 EGP. كود المنتج لدينا: EK1995. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

Operating Voltage: 12V / DC
Measurement & Control Range: -50°C / to 110°C
Display & Measurement Accuracy: 0.1°C / (-9.9 to 99.9 range)
Sensor Type: NTC 10K Sensor / Waterproof Probe
Sensor Cable Length: 0.5 meters / 50 cm
Output Type: 1-Channel Relay / Up to 10A Capacity
Static Current: Less than 35mA / ≤ 35mA
Operating Current: Less than 65mA / ≤ 65mA

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Temperature & Humidity Sensor في إكوسترا.

Specification

WeightWeight	10 g
Dimensions	5 × 4 × 2 cm
Operating Voltage	12V, DC
Measurement & Control Range	-50°C, to 110°C
Display & Measurement Accuracy	0.1°C, (-9.9 to 99.9 range)
Sensor Type	NTC 10K Sensor, Waterproof Probe
Sensor Cable Length	0.5 meters, 50 cm
Output Type	1-Channel Relay, Up to 10A Capacity
Static Current	Less than 35mA, ≤ 35mA
Operating Current	Less than 65mA, ≤ 65mA
Refresh Rate	0.5 seconds, 500ms
Module Dimensions	48 x 40 x 14 mm, (L x W x H)
Environmental Conditions	-10°C to 60°C, 20% to 85% Humidity

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