| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | PCA9539 | PCA9539 Remote 16-Bit I2C and SMBus Low-Power I/O Expander PCA9539 (Rev. G) |
 Texas Instruments |
|
| 1 | PCA9539 | 16-bit I2C and SMBus low power I/O port INTEGRATED CIRCUITS PCA9539 16-bit I2C and SMBus, low power I/O port with interrupt and reset Product data sheet Supersedes data of 2004 Aug 27 2004 Sep 30 Philips Semiconductors Philips Semiconductors Product data sheet 16-bit I2C and SMBus, low power I/O port with interrupt and reset PCA9539 DESCRIPTION The PCA9539 is a 24-pin CMOS device that prov |
 NXP Semiconductors |
|
[1]
List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
|||