The Digital Output (DO) MOSFET PiHAT is an 8-channel expansion board designed for Raspberry Pi 4 and CM4, enabling reliable industrial-grade load switching. It uses P-channel MOSFET-based solid-state outputs to provide high-speed, noise-free switching and protect the Raspberry Pi GPIO through proper isolation and load buffering. The scalable architecture supports 1 to 8 independent digital outputs, making it flexible for different automation needs. With a compact design and pluggable terminal connectors, this PiHAT is ideal for embedded control systems, smart automation, and industrial switching applications requiring fast response, durability, and long operational life without mechanical wear. Features: 8-channel MOSFET-based digital output expansion High-side solid-state switching for reliable load control Supports Raspberry Pi 4 and Compute Module 4 (CM4) Scalable architecture: 1 to 8 configurable outputs Ultra-fast switching time (<100 µs) Electrical isolation with load buffering protection Compact 56 × 85 mm industrial-grade design Suitable for automation, IoT, and industrial control systems Specifications: Item Type: Raspberry Pi MOSFET Digital Output HAT Output Type: P-Channel MOSFET High-Side Switch Max Load Current: 2A continuous per channel Switching Voltage: 12V–24V DC Switching Time: <100 microseconds Category: 8DO MOSFET PiHAT Channel Count: 8 Channels (Expandable) Connector Type: 40-pin GPIO + 2-pin pluggable terminal blocks Protection: Integrated flyback diode On Resistance: <100 Ω Storage Temperature: -20°C to +70°C Mechanical Life: Solid-state (virtually unlimited) Package Includes: 1 x WIN-PIHAT-8DO-MOSFET 8-Channel MOSFET Digital Output Raspberry Pi HAT
Specifications
| Output Type | P-Channel MOSFET High-Side Switch |
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| Max Load Current | 2A continuous per channel |
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| Switching Voltage | 12V–24V DC |
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| Switching Time | <100 microseconds |
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| Channel Count | 8 Channels (Expandable) |
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| Shipping Weight | 1.3 kg |
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| Shipping Dimensions | 15 × 10 × 4 cm |
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