The HTC-2 Digital Temperature Humidity Clock is a versatile 3-in-1 device that shows time, temperature, and humidity at the same time. With both indoor and outdoor sensors, it provides accurate environmental monitoring, making it perfect for homes, offices, classrooms, labs, and greenhouses. Key features include: Temperature Range: -10°C to 50°C (indoor) & -50°C to 70°C (outdoor) Humidity Range: 10% RH to 99% RH Functions: Time display (12/24 hr), alarm, calendar & memory of max/min values Design: Large LCD screen for easy reading In Bangladesh, the HTC-2 is highly popular among students, engineers, and gardeners, as it ensures environmental awareness and better control over living and working spaces.

The Third Hand Soldering PCB Holder with Six Arms is the ultimate tool for electronics soldering, PCB repair, and DIY projects. Equipped with six flexible, adjustable arms, it allows you to hold multiple components, wires, or circuit boards at once, freeing both of your hands for precision soldering. Each arm is fitted with a strong alligator clip, ensuring stable grip and easy repositioning. The heavy-duty base keeps the unit steady during use, while its 360° flexibility makes it perfect for complex wiring, Arduino prototyping, or fine PCB work. This versatile tool is highly popular among students, engineers, and repair technicians in Bangladesh, as it improves efficiency, safety, and soldering accuracy in the lab or workshop.

The PCB Holder is an essential tool for electronics soldering, assembly, and repair work. It securely holds circuit boards in place, allowing you to work with both hands free for more accurate soldering and component placement. Designed with an adjustable clamp mechanism, it can fit different PCB sizes and rotate for better positioning. Ideal for students, technicians, and hobbyists in Bangladesh, this tool improves efficiency, precision, and safety when working on Arduino boards, power circuits, or custom PCBs. A must-have accessory for any electronics workshop or DIY lab.

The 1S Lithium Ion BMS Board is designed for single-cell (3.7V) lithium-ion or lithium polymer batteries, ensuring safe charging and discharging. It protects the battery against overcharge, over-discharge, and short-circuit issues, which are crucial for extending battery life and preventing damage. This compact BMS board is commonly used in DIY power banks, small electronics, robotics, LED projects, and rechargeable battery packs. Easy to integrate, it’s a must-have for students, makers, and technicians in Bangladesh who work with lithium batteries. Reliable and affordable, this module guarantees stable performance and battery safety.

The Heat Shrink Tube Red D-6mm (1 Foot) is a durable insulation solution for medium-sized wires, battery packs, and electronic circuits. Its red color coding makes it perfect for marking positive connections, ensuring safer and more organized wiring. Made of flexible, flame-retardant polyolefin, the tube shrinks tightly when heated, providing excellent electrical insulation, mechanical strength, and wear resistance. Widely used in DIY electronics, automotive wiring, and professional repair projects in Bangladesh, this 6mm heat shrink tubing guarantees a clean, professional finish and long-lasting protection for your cables.

The Heat Shrink Tube Black 6mm (1 Feet) is an essential accessory for wire insulation, cable protection, and electronic repairs. Made from durable polyolefin material, this tube provides a tight, secure fit when heated, offering excellent resistance against wear, abrasion, and electrical short circuits. With its 6mm diameter, it is suitable for medium-sized wires, battery connections, and automotive wiring. Widely used by technicians, electricians, and hobbyists in Bangladesh, this heat shrink tubing ensures a professional, safe, and long-lasting finish for any electrical project.

The Mini DC to DC Buck Converter 1.8A is a compact step-down voltage regulator designed to efficiently convert higher DC voltages into stable lower voltages. With an output current capacity of up to 1.8A, it is widely used in Arduino projects, LED drivers, battery-powered systems, robotics, and small electronics repair. The module features adjustable output voltage, making it flexible for different applications, while its mini size allows easy integration into tight spaces. Popular among students, DIY makers, and technicians in Bangladesh, this buck converter ensures energy efficiency, heat stability, and reliable performance for everyday electronics projects.

The 18650 Battery Holder (2 Cell with Wire) is designed for securely holding two 18650 lithium-ion batteries in series or parallel, depending on your wiring needs. Built with durable plastic casing and pre-attached wire leads, it makes battery integration simple and reliable for DIY projects, robotics, Arduino setups, and portable electronic devices. Commonly used in power banks, LED projects, small machines, and student electronics projects in Bangladesh, this holder ensures a stable connection and easy battery replacement. A must-have accessory for anyone working with rechargeable 18650 batteries.

The Power Bank Control Circuit is a compact and essential PCB designed for building or repairing portable power banks. It includes charging, discharging, and over-voltage protection features to ensure safe operation with 18650 lithium batteries. With built-in USB input/output ports, this module makes it easy to charge mobile phones, gadgets, and small electronic devices. Ideal for DIY enthusiasts, students, and technicians in Bangladesh, the control circuit allows users to create customized power banks with stable performance. Its lightweight and cost-effective design makes it a popular choice for both learning projects and practical applications.

The Solder Lead 500gm is a must-have consumable for electronics repair, PCB assembly, and DIY projects. Made with high-quality solder alloy, it provides smooth melting, strong joints, and consistent flow for reliable electrical connections. Suitable for use with soldering irons and stations, this 500g roll is ideal for technicians, repair shops, students, and hobbyists in Bangladesh. Whether you’re fixing a mobile phone, assembling a PCB, or working on DIY electronics, this solder lead ensures durable bonds and professional results. Its long-lasting 500g roll offers excellent value for workshops and frequent users.

The 2 Position DIP Switch is a simple yet essential component for circuit customization, address setting, and logic control. With two independent ON/OFF slide switches, it allows quick configuration of Arduino projects, communication devices, automation circuits, and PCB prototypes. Compact and reliable, this switch is widely used by students, engineers, and hobbyists in Bangladesh for DIY electronics, testing, and address coding. Its sturdy design and easy PCB mounting make it a cost-effective solution for adjustable hardware settings.

he DC-DC Boost Converter XL6009 with Display is a high-performance step-up voltage regulator designed to convert lower DC input voltages into higher, stable outputs. Equipped with a digital LED display, it allows real-time monitoring of voltage levels, making adjustment precise and convenient. Widely used in Arduino projects, robotics, solar systems, LED drivers, battery charging, and DIY electronics, the XL6009 offers high efficiency, strong load capacity, and reliable performance. Popular among students, hobbyists, and engineers in Bangladesh, this compact module is a must-have for prototyping and custom power supply solutions.

The LiPo Battery Voltage Tester (1–8S) is a compact and essential tool for monitoring the voltage of LiPo, Li-ion, and LiFe batteries. Supporting up to 8 cells in series (1–8S), it displays individual cell voltages and overall pack voltage. When a cell drops below the safe limit, the built-in buzzer alarm warns the user, preventing over-discharge and protecting battery life. Widely used by drone pilots, RC car/plane hobbyists, and DIY electronics makers in Bangladesh, this tester is lightweight, easy to carry, and a must-have for safe battery usage.

The DC-DC Buck Converter LM2596 with Display is a high-efficiency step-down voltage regulator featuring an LED digital display for real-time voltage monitoring. This module allows users to convert a higher DC input voltage to a lower, stable output with precision, making it ideal for Arduino, Raspberry Pi, robotics, battery charging, and DIY electronics projects. The integrated display eliminates the need for a separate multimeter, ensuring accurate adjustment through its onboard potentiometer. Popular among students, hobbyists, and engineers in Bangladesh, the LM2596 is trusted for its durability, compact size, and reliable performance in both prototyping and permanent circuit designs.

The 8 Channel 5V Opto Isolated Relay Module is a powerful switching solution for Arduino, ESP32, Raspberry Pi, and other microcontrollers. With 8 independent relays and built-in opto-isolators, it ensures safe operation by electrically separating low-voltage circuits from high-voltage loads. Widely used in home automation, IoT systems, robotics, and industrial control applications, it can manage devices such as lights, pumps, fans, solenoids, and motors with ease. Popular among engineers, students, and makers in Bangladesh, this relay module features LED indicators, screw terminals, and durable PCB design, making it a reliable choice for multi-channel automation projects.

The 6 Channel 5V Opto Isolated Relay Module is a versatile switching board designed for safe and reliable control of AC and DC devices. Featuring opto-isolator protection on each channel, it provides better electrical isolation between low-voltage microcontrollers (like Arduino, Raspberry Pi, ESP32) and high-voltage loads, reducing interference and improving safety. Ideal for home automation, IoT systems, robotics, and industrial control projects, this module can switch lights, fans, pumps, and motors with ease. Widely used by engineers, hobbyists, and students in Bangladesh, it comes with LED indicators, screw terminals, and durable PCB construction for long-lasting performance.

The 4 x AA Battery Holder with Jack is a convenient power solution for Arduino boards, robotics, toys, and small electronic projects. Designed to hold four AA batteries, it provides a stable 6V DC output through a pre-fitted DC barrel jack, eliminating the need for soldering or extra wiring. Popular among students, hobbyists, and engineers in Bangladesh, this holder is widely used in DIY electronics, portable devices, and small automation projects. Made from durable plastic with strong spring contacts, it ensures secure battery placement and reliable performance.

The 5V 30mA Solar Panel is a compact and lightweight solar cell designed for student projects, DIY experiments, and low-power applications. It converts sunlight into a steady 5V DC output at 30mA, making it ideal for powering small gadgets, LED lights, sensors, and educational prototypes. Popular among school and university students in Bangladesh, this mini solar panel is often used in renewable energy demonstrations, hobby projects, and science fair models. With its durable build and simple wiring, it provides a practical introduction to solar energy at an affordable price.

The 4 Channel 5V Relay Module (Isolated Control) is designed for reliable switching of AC and DC devices using low-voltage signals from Arduino, Raspberry Pi, PIC, ESP32, and other controllers. Each channel comes with optocoupler isolation for improved safety and noise immunity, making it ideal for IoT automation, robotics, smart home systems, and industrial projects. This relay module can handle lights, fans, pumps, motors, and other appliances, giving users in Bangladesh a compact and versatile control solution. Built with LED indicators and screw terminals, it ensures both ease of use and professional-grade performance.

The 1 Channel 5V Relay Module is a compact switching board designed for Arduino, Raspberry Pi, PIC, and other microcontroller projects. It allows you to safely control AC appliances or DC loads using a low-voltage signal. With its LED status indicator and optocoupler isolation, this relay ensures reliable and safe operation in home automation, robotics, and DIY electronics projects. Lightweight and easy to connect, it is widely used by students, hobbyists, and engineers in Bangladesh for small-scale switching tasks such as lights, fans, and motors.

The Small DC 12V Solenoid Electric Door Lock is a compact locking solution designed for cabinets, lockers, drawers, vending machines, and DIY security projects. Operating on a standard 12V DC power supply, it provides quick and reliable locking/unlocking action. Its miniature size and lightweight build make it ideal for space-limited applications while still offering solid performance. Commonly used in smart access control systems, DIY Arduino projects, and electronic enclosures across Bangladesh, this lock is simple to install and integrate with controllers, switches, or RFID modules.

The Digital DC Voltmeter Panel is a compact and easy-to-use display module designed to measure DC voltage in real time. Featuring a bright LED screen, it provides clear readings for use in power supply monitoring, battery testing, solar setups, and DIY electronics projects. Simple to mount on panels or enclosures, it is widely used by students, technicians, and engineers in Bangladesh. Its low power consumption, accurate measurement, and durable build make it a reliable tool for labs, workshops, and home projects.

The 1 x AA Battery Holder is a simple and compact power accessory designed to hold a single AA cell securely. Made from durable plastic with pre-attached wire leads, it is easy to integrate into DIY electronics, toys, student projects, and small gadgets. Popular among students, hobbyists, and engineers in Bangladesh, this holder provides a convenient way to power circuits that require 1.5V supply. Lightweight yet sturdy, it ensures proper contact and stable performance, making it a must-have component for any electronics toolkit.

The Digital DC Voltmeter Ammeter Panel is a compact monitoring module that displays both voltage and current readings in real time. Featuring a bright LED display, it is widely used in power supplies, battery testing, solar systems, and DIY electronics projects. Easy to install on enclosures or panels, this module helps students, engineers, and hobbyists in Bangladesh keep track of electrical performance with accuracy and convenience. Its dual-function design makes it a cost-effective solution for monitoring and troubleshooting circuits in labs, workshops, and field projects.