| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | CP2102 | SINGLE-CHIP USB TO UART BRIDGE CP2102 SINGLE-CHIP USB TO UART BRIDGE Single-Chip USB to UART Data Transfer Integrated USB transceiver; no external resistors required Integrated clock; no external crystal required Integrated 1024-Byte EEPROM for vendor ID, product ID, serial number, power descriptor, release number, and product description strings On-chip power-on reset circuit On-chip voltage regulator: 3. |
 Silicon Laboratories |
|
| 1 | CP2102-9 | SINGLE-CHIP USB TO UART BRIDGE CP2102/9 SINGLE-CHIP USB TO UART BRIDGE Single-Chip USB to UART Data Transfer - Integrated USB transceiver; no external resistors required - Integrated clock; no external crystal required - Internal 1024-byte programmable ROM for vendor ID, product ID, serial number, power descriptor, release number, and product description strings - EEPROM (CP2102) - EPROM (One-time programm |
Silicon Laboratories |
|
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 |
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