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The HEF4104B is a quad low voltage-to-high voltage translator with 3-state outputs. It provides the capability of interfacing low voltage circuits to high voltage circuits. For example low voltage Local Oxidation Complementary MOS (LOCMOS) and Transistor-Transistor Logic (TTL) to high voltage LOCMOS. It has four data inputs (A0 to A3), an active HIGH output enable input (OE), four data outputs (B0 to B3) and their complements (B0 to B3).
The HT12E Encoder ICs are series of CMOS LSIs for Remote Control system applications. They are capable of Encoding 12 bit of information which consists of 8 address bits and 4 data bits. Each address and data input is externally programmable or fed in using switches. The HT12D Decoder ICs are series of CMOS LSIs for Remote Control system applications. These ICs are paired with each other. For proper operation a pair of encoder/decoder with the same number of address and data format should be selected (HT12E is paired with HT12D). The Decoder receive the serial address and data, transmitted by a carrier using an RF transmission medium and gives output to the output pins after processing the data. These Ics have operating Voltage : 2.4V ~ 12V. They have Low Power and High Noise Immunity.
This is a IC Socket/Base for 28 pin SMD PLCC IC. This is a SMT base and is advisable on boards with point to point wiring because replacing a defective IC is time consuming and can possibly damage your prototype board. The use of an IC socket is inexpensive compared to the time and effort required to replace an IC chip. IC sockets also reduce the possibility of damaging the board when swapping out IC’s.
IRF4905 MOSFET is a P-Channel HEXFET Power MOSFET available in a TO-220AB package and is based on Advanced Process Technology. It is mainly used for fast switching purpose, capable of providing ultra-low on-resistance. This tiny device comes with three terminals called gate, drain and source where the gate terminal is used to control the current on remaining two terminals. The area between source and drain is known as a channel that is widely dependent on the voltage applied to the gate terminal.
MOSFET (metal-oxide-semiconductor field-effect transistor, pronounced MAWS-feet) is a special type of field-effect transistor (FET) that works by electronically varying the width of a channel along which charge carriers (electrons or holes) flow. The wider the channel, the better the device conducts. The charge carriers enter the channel at the source and exit via the drain. The width of the channel is controlled by the voltage on an electrode called the gate, which is located physically between the source and the drain and is insulated from the channel by an extremely thin layer of metal oxide.
The LM317 device is an adjustable three-terminal positive-voltage regulator capable of supplying more than 1.5 A over an output-voltage range of 1.25 V to 37 V. It requires only two external resistors to set the output voltage. The device features a typical line regulation of 0.01% and typical load regulation of 0.1%. It includes current limiting, thermal overload protection, and safe operating area protection. Overload protection remains functional even if the ADJUST terminal is disconnected.
LM324 Operational Amplifier IC LM-324 consist of four independent high-gain frequency-compensated operational amplifiers that are designed specifically to operate from a single supply or split supply over a wide range of voltages. Wide Supply Ranges Single Supply: 3 V to 32 V (26 V for LM2902) Dual Supplies: 1.5 V to 16 V (13 V for LM2902) Low Supply-Current Drain.
LM338T 5A Adjustable Voltage Regulator LM-338T is adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 5 A over a 1.2-V to 32-V output range. They are exceptionally easy to use and require only 2 resistors to set the output voltage.
LM386 is a widely used audio amplifier IC manufactured in 8 pin dip, VSSOP, SOIC and other packages. The IC is basically designed for low voltage commercial applications, apart from commercial applications it is also a famous IC among electronic hobbyists and experimenters. The internal gain of the IC is set to 20 but it can be adjusted by connecting a resistor and a capacitor in series between the pin number 1 and 8, by this procedure the user can adjust the gain between 20 to 200. Due to the small size, low quiescent current and low voltage requirements this IC is ideal to use in wide variety of portable battery operated applications and devices.
The LM741 series are general-purpose operational amplifiers which feature improved performance over industry.The amplifiers offer many features : overload protection on the input and output, no latch-up when the common-mode range is exceeded, as well as freedom from oscillations. The LM741C is identical to the LM741 and LM741A except that the LM741C has their performance ensured over a 0C to +70C temperature range, instead of 55C to +125C.
IRF4905 MOSFET 
DS2501 
2SC2331 Bipolar Transistor 
L293D IC Dual H-Bridge Motor Driver 
