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🌐 IoT Base CatM – Dual‑Mode CatM & NB‑IoT Communication Base
The official input voltage range is DC 9 to 24V
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Precision Engineering for Advanced CNC Projects
M5Stack Voltmeter Unit (ADS1115) Actuators 🌐 IoT Base CatM –Description Unit VMeter is a voltage sensor for real time voltage monitoring. It uses an ADS1115 16 bit ADC converter and communicates over I2C at address 0x49. To protect sensitive circuits and improve measurement stability, Unit VMeter combines a built in DC DC isolated power supply with CA IS3020S electrical isolation on the I2C interface. This helps prevent bus noise, surges, or other circuit disturbances from entering the local ground path. Each
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