Pinouts for cables, connectors and circuits

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Pinouts for cables, connectors and circuits data

SD MicroSD Card pinout

SD and Micro SD Card pins with description and function.
Secure Digital is what SD means, it is a flash based removable memory card.

Micro SD Card is a type of Removable small flash memory card format, and has a dimensions of 11mm x 15mm and 1mm thick.
Micro SD is short hand for Micro-Secure Digital.
Micro sd card pins are:
- CS-Card Select

Circuit Diagram: 
SD and Micro SD card pins

9 to 25 pin serial adapter pinout

This adapter will enable you to connect a 25 pin serial cable to a 9 pin connector at the computer.

Signal 9-Pin 25-Pin
Carrier Detect 1 8
Receive Data 2 3
Circuit Diagram: 
9 to 25 pin serial adapter pinout

Universal Serial Bus USB pinout

Universal Serial Bus (USB) is a specification to establish communication between devices and a host controller (usually computers).

USB 1.x/2.0 standard pinout
Pin Name Cable color Description
1 VBUS Red +5 V
2 D−
Circuit Diagram: 
Universal Serial Bus USB  pinout