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15-60V voltage range
⚙️ Mechanical Meter Movement → Optimized mainboard for enhanced audio sensitivity
Power Supply: 5V1A
field equipment tracking
IP67: Waterproof (suitable for outdoor applications)
M5Stack 4-Relay Unit Industrial 15-60V voltage rangeDescription Unit 4Relay is a Grove connected 4 channel relay unit controlled over I2C. Built around the STM32F030F4P6 microcontroller, the Unit 4Relay independently controls four mechanical relays for AC 250V or DC 28V switching, with 10A rated current and 16A maximum instantaneous current. Each channel on the Unit 4Relay has its own programmable status indicator, and the relay side is physically isolated from the low voltage control side. With I2C
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