| NE555 | 555 Timer | 8 | DIP-8 | Timer, oscillator, pulse generator |
| LM741 | 741 Op-Amp | 8 | DIP-8 | General purpose operational amplifier |
| LM7805 | 7805 Regulator | 3 | TO-220 | +5V fixed voltage regulator |
| LM7812 | 7812 Regulator | 3 | TO-220 | +12V fixed voltage regulator |
| LM7905 | 7905 Regulator | 3 | TO-220 | -5V fixed voltage regulator |
| LM317 | Adjustable Reg | 3 | TO-220 | Adjustable positive voltage regulator (1.25-37V) |
| LM337 | Neg Adj Reg | 3 | TO-220 | Adjustable negative voltage regulator |
| LM358 | Dual Op-Amp | 8 | DIP-8 | Dual low-power operational amplifier |
| LM386 | Audio Amp | 8 | DIP-8 | Low voltage audio power amplifier |
| LM393 | Comparator | 8 | DIP-8 | Dual differential comparator |
| CD4017 | Decade Counter | 16 | DIP-16 | Decade counter/divider with 10 decoded outputs |
| CD4060 | Binary Counter | 16 | DIP-16 | 14-stage ripple carry binary counter with oscillator |
| CD4011 | Quad NAND | 14 | DIP-14 | Quad 2-input NAND gate |
| CD4013 | Dual D Flip-Flop | 14 | DIP-14 | Dual D-type flip-flop with set/reset |
| CD4051 | Analog Mux | 16 | DIP-16 | 8-channel analog multiplexer/demultiplexer |
| CD4066 | Quad Switch | 14 | DIP-14 | Quad bilateral switch |
| CD4093 | Quad NAND Schmitt | 14 | DIP-14 | Quad 2-input NAND Schmitt trigger |
| 74HC595 | Shift Register | 16 | DIP-16 | 8-bit serial-in parallel-out shift register |
| 74HC245 | Bus Transceiver | 20 | DIP-20 | Octal bus transceiver (3-state) |
| 74HC00 | Quad NAND | 14 | DIP-14 | Quad 2-input NAND gate (TTL) |
| 74HC04 | Hex Inverter | 14 | DIP-14 | Hex inverter |
| 74HC74 | Dual D FF | 14 | DIP-14 | Dual D-type flip-flop with preset and clear |
| 74HC138 | 3-to-8 Decoder | 16 | DIP-16 | 3-to-8 line decoder/demultiplexer |
| 74HC164 | Shift Register | 14 | DIP-14 | 8-bit serial-in parallel-out shift register |
| ATmega328P | AVR MCU | 28 | DIP-28 | 8-bit AVR microcontroller (Arduino Uno) |
| ATtiny85 | AVR MCU | 8 | DIP-8 | 8-bit AVR microcontroller (low pin count) |
| ULN2003 | Darlington Array | 16 | DIP-16 | 7-channel Darlington transistor array |
| L293D | Motor Driver | 16 | DIP-16 | Quadruple half-H motor driver |
| TL072 | Dual JFET Op-Amp | 8 | DIP-8 | Low-noise JFET-input dual op-amp |
| MAX232 | RS-232 Driver | 16 | DIP-16 | Dual RS-232 driver/receiver |
| ICL7660 | Voltage Converter | 8 | DIP-8 | CMOS voltage converter (positive to negative) |
| TDA2030 | Audio Amp | 5 | Pentawatt | 18W hi-fi audio amplifier |
| LM3914 | Dot/Bar Driver | 18 | DIP-18 | Dot/bar display driver (linear) |
| PCF8574 | I/O Expander | 16 | DIP-16 | Remote 8-bit I/O expander for I2C bus |
| DS18B20 | Temp Sensor | 3 | TO-92 | 1-Wire digital temperature sensor |