![](https://www.emcu-homeautomation.org/wp-content/uploads/2021/05/Connectors.png)
There a lot of standard connectors used in electronics, below there is a list of the principal connectors are:
Grove
Olimex UEXT
mikroBUS™ socket
for more info dee below.
![](https://www.emcu-homeautomation.org/wp-content/uploads/2024/03/Screenshot-2024-03-31-19.41.22.png)
- Grove Connectors
The standard connector is shown upstairs.
The X1 and X2 names depend of the interface, example I/O, I2C, UART, etc.
See here.
The 4 principal pin assignment are below.
![](https://www.emcu-homeautomation.org/wp-content/uploads/2021/05/Dig.png)
![](https://www.emcu-homeautomation.org/wp-content/uploads/2021/05/Analog.png)
![](https://www.emcu-homeautomation.org/wp-content/uploads/2021/05/Uart.png)
![](https://www.emcu-homeautomation.org/wp-content/uploads/2021/05/I2C.png)
- Olimex UEXT
![](https://www.emcu-homeautomation.org/wp-content/uploads/2021/05/Omimex_UEXT.png)
- mikroBUS™ socket
![](https://www.emcu-homeautomation.org/wp-content/uploads/2021/05/mikroBUS.png)