ST021 Heating Element Module

The ST021 Heating Element Module is a compact electric heating control module designed for low-voltage heating applications. It includes a ceramic PTC heating element and onboard transistor driver circuitry, allowing direct control from microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi. The module is suitable for DIY heating projects, temperature experiments, dehumidification systems, and small heating chambers.

Technical Specifications

• Module Model: ST021 Heating Element Module
• Operating Voltage: 5V – 12V DC
• Heating Element Type: Ceramic PTC Heating Plate
• Control Interface: Digital Signal Input
• Input Pins: VCC, GND, IN
• Trigger Type: High-Level Trigger
• Heating Element Connection: Screw Terminal
• Onboard Driver: Transistor Switching Circuit
• Indicator LED: Power Status LED
• PCB Type: FR4 PCB
• Mounting Hole: Yes
• Heating Method: Resistive Heating
• Compatible Logic Levels: 3.3V / 5V

Features:

• Compact and lightweight heating module
• Built-in transistor driver for easy control
• Ceramic PTC heating element included
• Compatible with 3.3V and 5V microcontrollers
• Easy screw-terminal connection
• Onboard power indicator LED
• Fast heating response
• Simple digital ON/OFF control
• Low power consumption design
• Suitable for embedded heating applications

Applications:

• DIY heating projects
• Mini incubators
• Temperature control systems
• Dehumidifier circuits
• Small heating chambers
• Electronic warming systems
• Educational electronics experiments
• Smart home temperature projects
• Portable heating devices
• Industrial prototype systems