W1209 Digital Temperature Control Switch Module (12V Thermostat Relay)
The W1209 Digital Temperature Control Switch Module is a compact, reliable, and cost-effective thermostat solution widely used in Bangladesh for automation and DIY electronics projects. Whether you're a student building a science project or an engineer working on industrial temperature control, this module delivers accurate and stable performance.
Powered by 12V DC, the W1209 features a high-precision temperature sensor and a relay output that can automatically control heating or cooling devices based on your set temperature range.
This module is perfect for applications like incubators, greenhouse systems, water heaters, refrigeration control, PC cooling systems, and smart home automation.
Its simple interface with a 3-digit display and onboard buttons makes it easy to configure without any programming knowledge.
Features:
- High accuracy temperature control (±0.1°C)
- Wide temperature range: -50°C to 110°C
- Built-in relay for automatic switching
- Clear LED display for real-time temperature
- Supports both heating and cooling modes
- Easy to set and operate
- Compact size for DIY projects
Specifications:
| Parameter | Details |
|---|---|
| Model | W1209 |
| Input Voltage | DC 12V |
| Temperature Range | -50°C to 110°C |
| Control Accuracy | ±0.1°C |
| Sensor Type | NTC Temperature Sensor |
| Relay Capacity | 10A / 250VAC or 10A / 30VDC |
| Display | 3-digit 7-segment LED |
| Control Mode | Heating / Cooling |
| Size | Approx. 48mm x 40mm |
Applications:
- Egg incubator temperature control
- Aquarium temperature regulation
- Refrigerator / freezer automation
- Greenhouse temperature system
- Industrial temperature monitoring
- DIY smart home projects
- PC / server cooling automation
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