| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | PIC16C621 | EPROM-Based 8-Bit CMOS Microcontroller PIC16C62X EPROM-Based 8-Bit CMOS Microcontroller Devices included in this data sheet: Referred to collectively as PIC16C62X . • • • • PIC16C620 PIC16C621 PIC16C622 PIC16CR620A • PIC16C620A • PIC16C621A • PIC16C622A Pin Diagrams PDIP, SOIC, Windowed CERDIP RA2/AN2/VREF RA3/AN3 RA4/T0CKI MCLR/VPP VSS RB0/INT RB1 RB2 RB3 •1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 |
 Microchip Technology |
|
| 1 | PIC16C621A | EPROM-Based 8-Bit CMOS Microcontroller PIC16C62X EPROM-Based 8-Bit CMOS Microcontroller Devices included in this data sheet: Referred to collectively as PIC16C62X . • • • • PIC16C620 PIC16C621 PIC16C622 PIC16CR620A • PIC16C620A • PIC16C621A • PIC16C622A Pin Diagrams PDIP, SOIC, Windowed CERDIP RA2/AN2/VREF RA3/AN3 RA4/T0CKI MCLR/VPP VSS RB0/INT RB1 RB2 RB3 •1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 |
Microchip Technology |
|
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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