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B.Tech Diploma Mini Projects
Dark Sensor Using LDR
Click Here to Download the Circuit Diagram of “Dark Sensor Using LDR”
The Dark Sensor using an LDR (Light Dependent Resistor) detects low light conditions to trigger an output action, such as turning on an LED or activating a relay. The LDR changes resistance based on ambient light levels, which is used to control the circuit, making it ideal for automatic lighting systems and light-sensitive applications.
SKU: dark-sensor-project -
B.Tech Diploma Mini Projects
NOR Gate
Click Here to Download the Circuit Diagram of “NOR Gate”
Discover our NOR Gate project, a crucial element in digital electronics. Learn how to build and apply this logic gate, which outputs true only when all its inputs are false. Ideal for students and enthusiasts interested in mastering logic circuits and understanding the fundamentals of digital design.
SKU: nor-gate-project -
B.Tech Diploma Mini Projects
Transistor as Switch
Click Here to Download the Circuit Diagram of “Transistor as Switch”
The Transistor as a Switch project demonstrates how a transistor can control a high-current load with a low-current signal. In this setup, the transistor acts as an electronic switch, using its ability to amplify current to turn a load on or off.
Components:
- NPN Transistor (e.g., BC547)
- Resistor (base resistor)
- Load (e.g., LED with current-limiting resistor)
- Power Supply
Working:
- Base Resistor: Connects the transistor’s base to a control signal (e.g., a microcontroller or a switch). This resistor limits the base current.
- Collector-Emitter Path: The load is connected between the collector of the transistor and the power supply. When the transistor is in the “on” state (saturated), current flows from the collector to the emitter, powering the load.
- Control Signal: Applying a small voltage to the base allows a larger current to flow from the collector to the emitter, thus switching the load on.
When the control signal is high, the transistor conducts, and the load is energized. When the control signal is low, the transistor stops conducting, and the load turns off. This simple yet effective project showcases the transistor’s utility in switching applications.
SKU: transistor-as-switch-project -
Resistors - 5 Watt
2.2 Ohms (5 Watt) Resistor (Pack of 2)
The 2.2 ohm (5 watt) resistor is a low-resistance component designed to handle up to 5 watts of power. With a resistance value of 2.2 ohms, it is used in applications requiring significant power dissipation and precise current control. Its 5-watt power rating allows it to manage high current loads without overheating, making it suitable for power supplies, load resistors, and high-current circuits where both low resistance and substantial power handling are needed.
SKU: n/a -
Resistors - 1 Watt
68K Ohms (1 Watt) Resistor: Reliable High-Value Component (Pack of 5)
The 68K ohms (1 watt) resistor is a high-resistance component capable of handling up to 1 watt of power. With a resistance value of 68,000 ohms, it is used to control current flow and divide voltages in various electronic circuits. This resistor is suitable for applications requiring high resistance and reliable power dissipation, such as in voltage dividers, signal conditioning, and high-impedance circuits. Its 1-watt power rating ensures it can manage significant power levels without overheating, making it ideal for robust and durable electronic designs.
SKU: n/a -
Sensors and Modules
PWM Servo Motor Driver 16 Channel
The PWM Servo Motor Driver 16 Channel controls up to 16 servo motors with high precision using Pulse Width Modulation (PWM). It supports a wide voltage range, features an intuitive interface, and is compact, making it ideal for robotics and automation applications requiring synchronized motor control.
SKU: pwm-servo-motor-driver-16-channel -
DC Motors
Air Pump
The air pump is a compact, high-efficiency device designed for inflating and deflating various objects. Ideal for use with sports equipment, air mattresses, and small inflatables, it features a powerful motor and adjustable pressure settings. Its portable design ensures convenience for both home and travel use.
SKU: air-pump -
Transistors
IRFPE50 N-channel Power MOSFET
The IRFPE50 is a power MOSFET with the following key specifications:
- Type: N-channel MOSFET
- Maximum Drain-Source Voltage (Vds): 500V
- Maximum Gate-Source Voltage (Vgs): ±20V
- Continuous Drain Current (Id): 4.0A
- Pulsed Drain Current (Id,pulse): 12A
- Maximum Power Dissipation (Pd): 50W
- Gate Threshold Voltage (Vgs(th)): 2.0V to 4.0V
- Maximum Drain-Source On-Resistance (Rds(on)): 0.75Ω (at Vgs = 10V)
- Package Type: TO-3P
The IRFPE50 is suitable for high-voltage power switching applications and is commonly used in power supplies, motor control circuits, and other high-voltage electronic devices. Its high voltage rating and moderate current handling make it ideal for switching applications in industrial and consumer electronics.
SKU: irfpe50-power-mosfet -
Transistors
Transistor BD140: PNP Power Transistor for Medium Power Applications (Pack of 5)
The BD140 is a PNP bipolar junction transistor (BJT) with the following specifications:
- Type: PNP Bipolar Junction Transistor (BJT)
- Collector-Emitter Voltage (Vceo): 80V
- Collector-Base Voltage (Vcbo): 80V
- Emitter-Base Voltage (Vebo): 5V
- Collector Current (Ic): 1.5A (continuous)
- Power Dissipation (Ptot): 12.5W (with proper heat sinking)
- DC Current Gain (hFE): 40 to 160 (typical)
- Gain Bandwidth Product (fT): 100MHz (typical)
- Package Type: TO-220
The BD140 is used in a variety of applications including amplification and switching circuits. It is known for its ability to handle moderate current and voltage levels, making it suitable for both low and medium power applications.
SKU: transistor-bd140 -
Transistors
Transistor BT169: Sensitive Gate Thyristor for Low Power Control Applications (Pack of 5)
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TransistorsTransistor BT169: Sensitive Gate Thyristor for Low Power Control Applications (Pack of 5)
The BT169 is a Silicon Controlled Rectifier (SCR) used primarily in switching applications. Here are its key specifications:
- Type: Silicon Controlled Rectifier (SCR)
- Maximum Repetitive Peak Voltage (Vdrm): 300V
- Maximum Average Forward Current (If(ave)): 1A
- Maximum Gate Trigger Voltage (Vgt): 1V to 2V
- Maximum Gate Trigger Current (Igt): 10mA (typical)
- Maximum Holding Current (Ih): 10mA
- Package Type: TO-92
The BT169 is used in various applications where controlled rectification is required, such as in light dimmers, motor speed controls, and phase control circuits. It is known for its robust performance in switching and controlling AC loads.
SKU: transistor-bt169 -
Generic Integrated Circuits
IC MAX232: Dual-Channel RS-232 Line Driver/Receiver IC (Pack of 2)
The IC MAX232 is a dual RS-232 line driver/receiver, commonly used for serial communication. It converts signals between the RS-232 serial communication standard and TTL logic levels. The MAX232 includes built-in charge pumps to generate the necessary voltages for RS-232 communication, simplifying the design and implementation of serial interfaces in electronic systems. It is widely used in UART (Universal Asynchronous Receiver/Transmitter) applications and serial communication between microcontrollers and peripheral devices.
SKU: ic-max232 -
45XX Series IC's
IC CD4511 – BCD to 7-Segment Latch/Decoder/Driver (Pack of 2)
The IC CD4511 is a BCD to 7-segment latch/decoder/driver. It converts binary-coded decimal (BCD) input into a format suitable for driving a 7-segment display, while also including latch functionality to hold the output state. This IC is used in digital displays to show numerical values, making it ideal for applications like digital clocks, counters, and numeric displays.
SKU: ic-cd4511 -
Transistors
IC 7815: 15V Voltage Regulator for Stable Power Supply (Pack of 5)
The IC 7815 is a positive voltage regulator with the following specifications:
- Type: Positive Voltage Regulator
- Input Voltage (Vin): Up to 35V
- Output Voltage (Vout): +15V (fixed output)
- Output Current (Iout): Up to 1.5A
- Dropout Voltage: Typically 2V
- Package Types: TO-220, TO-3, and others
- Features: Short-circuit protection, thermal overload protection
The 7815 provides a stable +15V output from a higher input voltage, making it suitable for circuits that require a +15V power supply. It is commonly used in various electronic applications for providing a reliable voltage source.
SKU: ic-7815-regulator -
74XX Series IC's
IC 74147 – BCD to Decimal Priority Encoder (Pack of 2)
The IC 74147 is a BCD to 7-segment priority encoder, part of the 7400 series TTL logic family. It converts a binary-coded decimal (BCD) input into a 7-segment display format while encoding the highest-priority input line active. This IC is used for numeric displays and encoding tasks, simplifying the process of converting BCD inputs into a displayable format.
SKU: ic-74147 -
74XX Series IC's
IC 7414 – Schmitt Trigger Inverter (Pack of 2)
The IC 7414 is a hex inverting Schmitt trigger, part of the 7400 series TTL logic family. It contains six independent inverters with Schmitt trigger inputs, which provide enhanced noise immunity and signal stability. This IC is used in digital circuits for signal conditioning, waveform shaping, and improving reliability in noisy environments.
SKU: ic-7414 -
Generic Integrated Circuits
IC 556: Dual Timer IC with Multiple Configurations (Pack of 2)
The IC 556 is a dual timer IC, which contains two independent 555 timer circuits within a single package. Each timer can be configured as either a monostable (one-shot) or astable (oscillator) mode, providing flexibility for various timing and waveform generation applications. The 556 is used in pulse generation, timing applications, waveform generation, and as a basic building block in electronic circuits where multiple timing functions are required.
SKU: ic-556 -
40XX Series IC's
IC 4047 – Monostable/Astable Multivibrator (Pack of 2)
The IC 4047 is a monostable/astable multivibrator, part of the 4000 series CMOS logic family. It can be configured as either a one-shot pulse generator (monostable mode) or an oscillating waveform generator (astable mode). This IC is used in timing applications, pulse generation, and waveform shaping, providing versatile functionality for various digital and analog circuits.
SKU: ic-4047 -
40XX Series IC's
IC 4016 – Quad Bilateral Switch (Pack of 2)
The IC 4016 is a quad 4-input analog multiplexer/demultiplexer, part of the 4000 series CMOS logic family. It allows multiple analog or digital signals to be routed through a single output or input, depending on the configuration. This IC is used for signal switching and routing in various electronic circuits, offering flexibility in handling multiple data paths with a single device.
SKU: ic-4016 -
40XX Series IC's
IC 4011 – Quad 2-Input NAND Gate (Pack of 2)
The IC 4011 is a quad 2-input NAND gate, part of the 4000 series CMOS logic family. It includes four independent NAND gates, each with two inputs, designed to perform logical NAND operations. This IC is used in digital circuits for creating complex logic functions, signal processing, and implementing various logical operations efficiently.
SKU: ic-4011 -
Robot Parts
Johnson Motor 10RPM
The Johnson Motor 10 RPM is a compact DC motor operating at 10 revolutions per minute, suitable for applications requiring slow, controlled motion. It works efficiently between 6V and 12V, offering high torque and durability. Ideal for robotics, conveyor systems, and model railroads, it ensures reliable, precise performance.
SKU: johnson-motor-10rpm -
Transistors
BF494 (Pack of 5)
The BF494 is a low-power NPN transistor commonly used in RF amplifier circuits. Operating at frequencies up to several hundred megahertz, it’s ideal for applications in FM radios, RF oscillators, and signal amplification stages. With its compact TO-92 package, it’s widely favored in hobbyist electronics and educational projects.
SKU: bf494 -
Raspberry Pi and Accessories
Raspberry Pi Camera Module V2
The Raspberry Pi Camera Module V2 is an official camera accessory developed by the Raspberry Pi Foundation, designed to interface seamlessly with Raspberry Pi single-board computers. It is compact, lightweight, and delivers high-quality image and video capture capabilities, making it ideal for a wide range of applications in education, DIY projects, robotics, and research.
SKU: Raspberry Pi Camera Module V2 -
Sensors and Modules
Antenna For LORA RA02
This 433MHz high-gain 3dBi antenna is designed for LoRa and RF communication, ensuring stable, long-range signal transmission. It features an SMA Male Connector for direct connection and comes with a UFL IPX to SMA Female adapter cable (15cm) for flexible placement.
Key Features:
✅ Optimized for 433MHz LoRa & RF applications
✅ 3dBi High-Gain Antenna for enhanced range
✅ SMA Male Connector for secure connectivity
✅ 15cm UFL IPX to SMA Female Cable for easy integrationApplications:
🔹 LoRaWAN IoT networks
🔹 Wireless telemetry & RF projects
🔹 GPS tracking & remote sensingPackage Includes:
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1 x 433MHz SMA Male Antenna (3dBi)
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1 x UFL IPX to SMA Female Cable (15cm)
🚀 Boost your LoRa connectivity today!
SKU: Antenna For LORA RA02 -
