RTC Data Logger Shield
I give the RTC Data Logger Shield a rating of 5 stars!
Mary Frost
Elecrow
RTC Data Logger Shield
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$11.90
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The RTC Data Logger Shield adds SD card storage and a real-time clock to your Arduino, making it straightforward to log timestamped sensor data. It supports ...
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The RTC Data Logger Shield adds SD card storage and a real-time clock to your Arduino, making it straightforward to log timestamped sensor data. It supports SD, SDHC, and microSD TF cards via an onboard toggle switch to select the card type.
The shield is compatible with 3.3V and 5V logic levels, making it suitable for a range of Arduino boards.
Key Features
- SD Card Support – SD, SDHC, and microSD TF cards via toggle switch selection
- Real-Time Clock – Onboard RTC for accurate timestamping
- Dual Voltage Logic – Compatible with 3.3V and 5V systems
- Arduino Shield Format – Plugs directly onto compatible Arduino boards
Specifications
- Power Supply – 2.6–3.6V DC
- Logic Voltage – 3.3V and 5V compatible
- Card Types – SD, SDHC, microSD TF
Compatibility
- Arduino Uno, Duemilanove, and similar
- Crowduino
Warning: Not compatible with Arduino Mega.
Package Contents
- 1× RTC Data Logger Shield
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- 3.3V and 5V logic levels
- Logic level refers to the voltage a digital device uses to represent on and off signals, commonly 3.3V or 5V. When a board supports both 3.3V and 5V logic, it can connect more easily to common microcontrollers and single-board computers without extra level-shifting hardware.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- RTC
- A Real-Time Clock keeps track of time even when the main processor is asleep or powered down, usually with a small backup battery. It matters for data logging and tracking projects that need accurate timestamps.
- Shield
- An add-on board that plugs into a main controller board to give it extra features such as sensing, motor control or communication. Knowing a product supports shields helps you judge whether it can connect neatly into an existing maker-board setup.
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