M5Stack Voltmeter Unit (U087) – isolated voltage meter ±36 V

A galvanically isolated voltmeter for DC voltage up to ±36 V. Keep an eye on a 12 V battery in the boat, the camper or the solar installation.

Works with

• Arduino and UIFlow (with calibration)
• ESPHome (component ads1115, address 0x49, needs its own scaling)
• All M5Stack controllers with a Grove port

You also need

A controller, for example the AtomS3 Lite. Grove cable included.

Specifications

• Range: ±36 V DC
• ADC: ADS1115, 16-bit
• Isolation: DC/DC and I2C isolator
• Interface: I2C via Grove, address 0x49

Manufacturer and documentation

Manufacturer: M5Stack Technology Co., Ltd, Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China, [email protected]. EU representative: Success Courier SL, Calle Rio Tormes 1, Planta 1, Derecha, Oficina 3, 28947 Fuenlabrada, Madrid, Spain, [email protected].

• Product documentation (M5Stack)
• Manufacturer certifications (CE/RoHS)

End-of-life electronics must be taken to separate collection. Read about e-waste.