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MicroSD card reader module - SparkFun BOB-00544
Reader of microSD memory cards from the SparkFun. It communicates with main Board via SPI interface, it operates with a voltage of 3.3 V.
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Description
Reader of microSD memory cards from the SparkFun. It communicates with main Board via SPI interface, it operates with a voltage of 3.3 V.
Botland is an official distributor of modules and accessories from SparkFun Electronics. This well known American maker provides a complete base for electronics projects. Our range holds original SparkFun Electronics products only.
Connection
The SD cards communicate using the SPI bus. Most of the microcontrollers, including those used in Arduino AVRy, have hardware control over this interface. The functions of some of the pins, are presented in the array below.
| Pin | Description |
|---|---|
| GND | The ground of the module. |
| VCC | Supply voltage of 3.3 V. |
| CD | Card detection. In case of the absence of the card, the pin is in the low status, when the card is in the connector, the high status comes up. The pin is pulled up to VDD through a resistor of 100 kΩ. |
CS | Selection of the device (chip select) in SPI mode. For operation of the module, you must indicate the low status. |
| CLK | Clock line of the SPI bus. |
DO | The output data (MISO) in SPI bus. |
DI | Input data (MOSI) in the SPI bus. |
SD cards work with voltages of 3.3 V so to connect modules of 5 V, for example, Arduino Uno, you need to use a converter. In our offer, you will also find a reader with a built-in converter of 5 V. |
Specification
- Supply voltage: 3.3 V
- Working voltage of pins: 3.3 V
- Communications: SPI bus
- Built-in slot for microSD memory cards
Useful links
| Name | Value |
|---|---|
| Width | 5 cm |
| Height | 8.5 cm |
| Depth | 0.6 cm |
| Weight | 0.002 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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