Questions tagged [card]

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MOSFET repair 4901 or 4901NF

I'm from Germany and im not so good in English, please forgive me. I have a little bit idea of electronics but I'm not so sure with this problem. I would like to say beforehand that I have a soldering ...
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Will this circuit for two Wiegand card readers allow them to talk to one control board?

I'm working on designing a PCB to allow two Wiegand HID card readers to be connected to a single control board using digital isolation IC's and wanted to make sure the IC's and other components are ...
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SD Card detect, help

I have a SD card socket in a server that i can't get to work right (it wa damaged when i got it). As far as i read i need to connect CD (Card Detect) to GND if the card is inserted so i did and it ...
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Can I use a WLAN mini pcie card (half or full height) in USB WiFi/WWAN slot?

I have a mini PC which has an mSATA and a USB WiFi / WWAN slot. Below is a picture with the board and its slots. I want to know if there is a possibility to install a WLAN mini pcie card (half or ...
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STM32 SD SPI FR_DISK_ERR

Hi I am working on STM32F103c8t6 MCU.I am trying to run sd card with spi wiht this library https://github.com/eziya/STM32_SPI_SDCARD do every thing like youtube video and my connection is like video ...