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Seeed Studio XIAO Logger HAT - A Tiny Temperature, Humidity and Light Add-On Module for XIAO With RTC and Battery Voltage Monitoring
The Seeed Studio XIAO Logger HAT - A Tiny Temperature, Humidity and Light Add-On Module for XIAO With RTC and Battery Voltage Monitoring by Seeed Studio is a value-for-money multi-brand raspberry pi add on boards (hats) designed for everyday users. It features Item Type: Data Logger HAT and Model No. / Name: XIAO Logger HAT.
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About This Product
The Seeed Studio XIAO Logger HAT - A Tiny Temperature, Humidity and Light Add-On Module for XIAO With RTC and Battery Voltage Monitoring by Seeed Studio is a value-for-money multi-brand raspberry pi add on boards (hats) designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Item Type: Data Logger HAT
- Model No. / Name: XIAO Logger HAT
- Operating Temperature (°C): -40 °C to 85 °C
- Current consumption: ~500 µA
- Compatibility: Seeed Studio XIAO ESP32C3, ESP32S3, ESP32C6, nRF52840, RP2040, SAMD21
- Idle Current: ~0.25 µA
- Communication Interface: I2C — compatible with modern devices
- Sensor: SHT40, BH1750
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The Seeed Studio XIAO Logger HAT is a compact environmental sensing add-on designed for Seeed Studio XIAO boards. It integrates SHT40 temperature & humidity sensing, BH1750 ambient light measurement, and a PCF8563 real-time clock for accurate, low-power data logging. Built for battery-powered applications, it supports battery voltage monitoring via an ADC pin and ultra-low idle current for long-term deployments.
The always-on RTC enables precise timestamping and deep-sleep wakeups, making it ideal for portable loggers and IoT nodes. Using an I2C interface, the Logger HAT is easy to program and expandable with additional sensors. Its tiny footprint fits neatly with XIAO boards, ensuring reliable performance in space-constrained projects.
Features:
- Ultra-compact HAT for all Seeed Studio XIAO boards
- On-board SHT40 temperature & humidity sensor
- BH1750 digital ambient light sensor
- PCF8563 low-power real-time clock with interrupt
- Battery voltage monitoring via ADC
- Ultra-low idle current (~0.25 µA)
- I2C interface for easy expansion
Package Includes:
1 x Seeed Studio XIAO Logger HAT
2 x 7-pin female header
