Adafruit
Electric Heating Pad - 14cm x 5cm
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A flexible electric heating pad made from stainless steel fibre fabric. Apply 5–12V DC and it warms up — temperature varies with voltage. Lightweight and fle...
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A flexible electric heating pad made from stainless steel fibre fabric. Apply 5–12V DC and it warms up — temperature varies with voltage. Lightweight and flexible enough to wrap around objects or integrate into wearable projects.
Essentially a large flexible resistor, it can be driven with PWM via a power N-channel MOSFET for fine temperature control.
Key Features
- Flexible Fabric – Stainless steel fibre construction bends and wraps easily
- Variable Temperature – Output temperature depends on applied voltage (5–12V)
- Lightweight – Minimal weight for wearable and portable applications
- PWM Compatible – Use with a MOSFET for precise temperature control
Specifications
- Dimensions – ~14 × 5 cm
- Operating Voltage – 5–12V DC
- Material – Stainless steel fibre heating fabric
Ideal For
- Wearable heating pads and heated clothing
- Weather balloon and high-altitude electronics warming
- DIY bio and thermal cycling experiments
- Keeping components warm in cold environments
Warning: This pad can reach high temperatures at higher voltages. Monitor temperature and avoid contact with heat-sensitive materials. Use appropriate current limiting and temperature control.
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- PWM
- Pulse Width Modulation is a way for a digital pin to simulate variable output power by switching on and off very quickly. It matters for controlling things like LED brightness, motor speed, or servo-style signals from a microcontroller pin.
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