5V-6V 3A Switch-mode UBEC

12V 10A PWM DC Motor Speed Controller The DC Motor Speed Controller allows controlling the direction of a DC motor using a Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully adjustable from 10%-100%. The 12 Volt DC Motor Speed Controller can provide a continuous current of 10A to your DC motor or other DC load. The circuit also includes a 10A fuse, with the reverse connection of the power supply and control voltage over-voltage protection function. This speed regulator uses a barrier terminal block as its wiring type. The output voltage is linear under load and features a control frequency of 13kHz. Note: This cannot be used for the brushless motor. The controller is not reverse-polarity protected and will be damaged if it connects the supply voltage with the wrong polarity. Features: Control the speed of a DC motor with this controller. High efficiency, high torque, low heat generating. With reverse polarity protection, high current protection. Control voltage over-voltage protection function The overload and short circuit protecting current is 10A Applications: Automotive: Controlling the speed of cooling fans, windshield wipers, and air conditioning systems. Industrial Automation: Managing the speed of conveyor belts, exhaust fans, and other motor-driven machinery. Home Appliances: Adjusting the speed of fans, pumps, and other household devices. Treadmills: Regulating the speed of the treadmill belt for different workout intensities. Robotics: Providing precise speed control for DC motors in robotic projects. DIY Projects: Ideal for custom electronics projects requiring variable motor speed control

HGLRC RC2 Electric Soldering Iron The HGLRC RC2 Electric Soldering Iron is designed to deliver precise and efficient soldering performance for a wide range of applications. Featuring adjustable temperature control, it allows users to set the exact heat required for different components, ensuring accuracy and preventing damage to sensitive electronics. With its rapid heating capability, the soldering iron reaches optimal temperature quickly, saving valuable time during projects. Its ergonomic design ensures a comfortable grip, making it ideal for extended use without fatigue. Whether you’re working on PCB soldering, electronics repair, or DIY projects, the HGLRC RC2 Electric Soldering Iron provides consistent performance, reliability, and ease of use for both beginners and professionals. Features: Suitable for both long and short soldering iron tips, the maximum temperature is 450°C/842°F. Working power supply supports PD3.0, QC2.0, DC12V-25V, and 3S-6S batteries. The 0.91-inch OLED display's brightness can be changed. The built-in buzzer reminder heats up automatically when powered on and may be turned on and off as needed. Intelligent temperature control algorithm that allows for temperature adaptation and self-calibration. The shell is composed of transparent, high-temperature resistant, and fireproof PC environmental protection material. Sensitivity can be adjusted to eliminate interference from ambient conditions. Support °C/°F switching between left and right-hand screens. Low voltage protection, high temperature, and high voltage alarms; safe and dependable. Support switching between Chinese and English displays, as well as firmware upgrades.

51 MCU LED Digital Clock DIY Kit (Green) – 1-Inch Light-Control Display with Housing for STEM Learning This 51 MCU Digital Clock DIY Kit is a hands-on educational project designed to help learners understand the basics of microcontrollers, electronics, and digital circuits. With a bright 1-inch LED digital tube display and built-in light-control functionality, the clock provides a clear and interactive way to explore timekeeping principles. The kit includes all essential components along with a sturdy housing, making it a great introduction to real-world electronics assembly.Perfect for STEM and STEAM learning, this kit encourages creativity, analytical thinking, and problem-solving skills. Designed for beginners, students, and hobbyists, it allows users to experience practical electronics in a fun and engaging way. Whether used in classrooms, workshops, or home-learning environments, the DIY digital clock helps children and young adults build confidence through hands-on exploration and experimentation. Features: Hands-on DIY digital clock kit powered by a 51 microcontroller system. Bright 1-inch LED digital tube display with light-control functionality. Includes durable housing and all required components for assembly. Great for STEM/STEAM learning: science, technology, engineering, art, and math. Helps build creativity, practical skills, observation, and problem-solving abilities. Ideal for school projects, family learning, and maker workshops. Easy-to-follow study guide included for step-by-step learning.

1200mAh AAA Rechargeable Battery 1.2V (Pack of 2) The OSLETECH AAA Rechargeable Batteries combine efficiency, effectiveness, and environmental friendliness in the ideal balance. This pair of globally recognized and broadly compatible Ni-Mh batteries are fully charged and ready to use right out of the package. Boasting an industry-leading 1200mAh capacity, these batteries offer over 500 charge cycles and feature a no-memory effect, allowing them to be charged and discharged as needed without losing capacity. These batteries also support quick charging via any smart or quick charger. These OSLETECH 1200mAh Rechargeable AAA Batteries are also designed for Rechargeable and reusable with the environment in mind. These batteries are made in India products and the smart choice for sustainable energy. Key Features: Cost-effective with many recharge cycles. NiMH chemistry for balanced performance. Fits various devices. Available in different mAh ratings. Rated at 1.2 volts for broad compatibility. Charging time varies by charger. Applications: Remote controls Digital cameras Wireless computer accessories Compact flashlights Portable audio devices Toys Clocks Calculators Handheld gaming devices Medical devices

SmartElex Serial Bus Servo Driver Board, Integrates Servo Power Supply and Control Circuit The SmartElex Serial Bus Servo Driver Board is an advanced Servo Driver Board designed to simplify high-density servo control in robotics applications. It integrates a reliable Servo Power Supply and intelligent Control Circuit, allowing seamless communication with your MCU or host system through a single UART interface With sufficient external power, the board can manage up to 253 ST/SC-series serial bus servos, each capable of delivering detailed feedback such as position angle, load, operating voltage, temperature, and working mode. This centralized control approach minimizes wiring, saves space, and ensures precise, synchronized motion, making it an excellent choice for complex robotic systems and professional-grade automation projects. Features: Supports a serial UART interface to the MCU/host for servo control. Drives up to 253 ST/SC series serial bus servos concurrently. Onboard DC power supply (9V to 12.6V) for the servo rail. Servo feedback includes angle, load, voltage, mode, temperature, and error. Integrated control circuit for reliable operation and signal integrity. Jumper or switch to choose between UART and USB connection modes. Compact PCB footprint (approx. 42 x 33 mm) for confined places. Dual power inputs: DC barrel jack and screw terminal choices.

3V CR2025 Lithium Coin Battery The CR2032 3V Lithium Coin Battery is widely utilized due to its dependable and long-lasting power supply for a variety of small electronic devices. This cr2032 battery includes calculators, wristwatches, remote controls, various medical devices, fitness gadgets, machines, toys, and others. Featuring a flat top and a 225mAh capacity, the cr2032 battery is a 3V lithium coin battery that's specifically designed for use in miniaturized products. Its plus terminal utilizes manganese dioxide, which is chemically stable, resulting in 90% capacity retention even after a decade of proper storage. Additionally, The battery organic electrolytes are resistant to leakage when exposed to environmental changes. Features High and Stable voltage (3V) A full lineup for use in a wide variety of applications No mercury added Useful in a wide range of temperatures (-30°C to +60°C) The very high weight-to-power ratio Manganese dioxide material High capacity Long Lasting life. Low self-degradation rate and superior storability 0.2mA continuous standard drain High leak protection and hence no oxidation damage in devices, so it can be used in any expensive Gadget with superior safety. Resistance to continuous discharge and hence Very low self-discharge; Note: These batteries are Non-Rechargeable. ?Also check 24mm Coin type battery holder available on the Iotcart website. The holder is versatile, accommodating various sizes and shapes of coin cells, with a secure design to withstand shock and vibration. It operates at a voltage rating of 3.3V and finds applications in portable devices, computers, consumer electronics, power management, commercial, and security.

5V WiFi Smart Relay Module for IoT & DIY Projects The 5V WiFi Relay Module is a smart control board that lets you switch electrical devices on and off using a WiFi connection. It works with standard 5V power and can be connected to home networks, allowing remote control of lights, fans, appliances, and other devices through your smartphone or automation system. This module is designed for easy integration with DIY electronics and smart home projects. It provides reliable switching performance and can be used in both residential and hobby automation setups. Whether you’re building a custom smart switch or adding wireless control to your gadgets, the 5V WiFi Relay Module offers a simple and flexible way to make your devices connected and controllable over WiFi. Features: Operates on 5V power supply for easy integration Enables wireless ON/OFF control of electrical devices over WiFi Suitable for smart home and IoT automation projects Supports remote switching via mobile app or automation system Reliable relay-based output for controlling loads safely Compact module design for DIY electronics and embedded systems Ideal for controlling lights, fans, pumps, and appliances

AA Zinc Panasonic Special Battery The Panasonic AA Zinc Special Battery is an affordable and dependable power source designed for everyday low-drain devices. Made with Panasonic’s trusted build quality, this zinc-carbon AA cell delivers consistent output for home and office essentials like wall clocks, TV remotes, torches, toys, and basic electronic gadgets. Perfect for users who need a cost-effective battery for regular use, it provides stable performance, a good shelf life, and easy installation. This makes it a practical choice for households, students, small businesses, and hobby enthusiasts who want reliable power without the high cost of premium batteries. Features: Zinc-carbon chemistry for economical, everyday use Designed for low-drain household and office devices Stable power output for clocks, remotes, toys, and torches Lightweight and easy to install in AA-compatible gadgets Reliable build quality from Panasonic for consistent performance Long shelf life for storage and backup power needs

CR2032 3V Lithium Coin Battery The CR2032 3V Lithium Coin Battery is widely utilized due to its dependable and long-lasting power supply for a variety of small electronic devices. This cr2032 battery includes calculators, wristwatches, remote controls, various medical devices, fitness gadgets, machines, toys, and others. Featuring a flat top and a 225mAh capacity, the cr2032 battery is a 3V lithium coin battery that's specifically designed for use in miniaturized products. Its plus terminal utilizes manganese dioxide, which is chemically stable, resulting in 90% capacity retention even after a decade of proper storage. Additionally, the battery organic electrolytes are resistant to leakage when exposed to environmental changes. Features High and Stable voltage (3V) A full lineup for use in a wide variety of applications No mercury added Useful in a wide range of temperatures (-30°C to +60°C) The very high weight-to-power ratio Manganese dioxide material High capacity Long Lasting life. Low self-degradation rate and superior storability 0.2mA continuous standard drain High leak protection and hence no oxidation damage in devices, so it can be used in any expensive Gadget with superior safety. Resistance to continuous discharge and hence Very low self-discharge;

SmartElex 5V/3.3V Power Supply Stick with ON/OFF Switch The SmartElex 5V/3.3V Power Supply Stick with ON/OFF Switch is a compact and efficient regulated power supply module designed to provide reliable power for breadboard-based electronics and prototyping projects. It operates on a 6–12V DC input and delivers a stable, selectable 5V or 3.3V output, making it ideal for powering microcontrollers, sensors, and logic modules. This power supply module features an onboard ON/OFF switch for easy control, a voltage selection switch for flexibility, and a power LED for real-time status indication. To ensure safe operation, it is equipped with a PTC fuse that protects against overcurrent, helping safeguard both the connected components and the module itself. Features: 6-12V input through barrel jack or 2-pin header. The output voltage can be controlled to either 3.3V or 5V. 800mA of operational current. An ON/OFF switch allows for convenient control. Voltage selection switch for 3.3V/5V output. The power status LED provides visual indication. PTC fuse protection against overloads. Breadboard-friendly headers have a 0.1" pitch for simple insertion.

CHAM CMINR14500F2 1000mAh 2C 3.6V AA Rechargeable Li-ion Battery Introducing the CHAM CMINR14500F2 rechargeable Li-ion battery – a compact, single-cell AA-sized power source delivering 3.6 volts at 1000mAh. Designed for projects that require a reliable 3.76V high-capacity supply, this battery is perfect for powering portable devices such as flashlights, hobby transmitters, and receivers. This Li-ion battery also serves as an excellent replacement for standard non-rechargeable AA batteries, making it a cost-effective and efficient option for applications like RC transmitter/receiver remotes. The versatile lithium ion battery terminals are compatible with many adapters or holders, or they can be permanently soldered to your device’s wiring for seamless integration. Important Guidelines: Avoid Deep Discharge: Do not let the Li-ion battery drop below 2.5V under load. Initial Charge: Fully charge to 4.2V before the first use. Metal and Magnets: Keep any metal moving parts or magnets away from both the positive (top) and negative (bottom) contacts. Proper Installation: Never force the battery into its compartment. Battery Pairing: Do not mix old and new battery cells. Charger Quality: Always use a reliable, high-quality battery charger. Heat Exposure: Keep the battery away from high temperatures. Prevent Short-Circuiting: Avoid connecting the positive (top) and negative (bottom) terminals directly. Safe Storage: When not in use, store the battery in its plastic holder or another insulating container. Charging Voltage: Do not exceed 4.22V during charging—this is another reason to choose a quality charger. Supervised Charging: Never leave the battery charging unattended. Long-Term Storage: Do not store the battery fully charged for extended periods. Optimal Storage Conditions: Store in a cool, dry place at about 3.7V (the recommended storage charge). Post-Discharge Care: Recharge the battery as soon as possible after it has been discharged. User Knowledge: Ensure you are well-informed about proper Li-ion battery discharging, charging, assembly, handling, and storage before use. Features Form Factor: Cylindrical Battery Type: Lithium-Ion Performance: High efficiency with substantial capacity Design Feature: Flat top for compatibility with a wide range of devices

18650 1 Cell Holder This is a 1x battery cell holder for a rechargeable 18650 Lithium-Ion Cell. These battery holders are used to add single lithium cells and have clearly marked with polarity identification to assure proper orientation. It has shrapnel screens to hold the batteries, making the installation and replacement of the battery safe, easy, and reliable. Features Holds a single 18650 battery. Easy install, convenient to use. High-quality plastic material. Applications: Robotics: The 18650 Single Battery Cell Case Holder allows for easy incorporation of 18650 cells into robotics applications by providing a simple way to connect and power devices Prototyping: It is ideal for prototyping projects where a single 18650 Lithium-Ion Cell needs to be securely held and connected, ensuring proper orientation and easy installation DIY Electronics: Commonly used in do-it-yourself electronics projects, the holder facilitates experimentation and modification of circuits by providing a flexible and removable power source Automotive Electronics: In automotive applications, such as key fobs and portable navigation devices, the cell holder enables convenient battery replacement, ensuring uninterrupted operation of electronic components

3.7v 2000mah 18650 Li-Ion Battery 18650 lithium-ion battery is a Li-ion rechargeable battery with a 2000 mAh Battery Capacity. This is not a standard AA or AAA battery but is very useful for applications that require continuous high current or high current in short bursts like in cameras, DVD players, iPod, etc. These 3.7v 18650 li-ion battery 2000mah are safe to use, environment friendly and have long battery life. This li ion battery comes with high energy density and provides excellent continuous power sources to your device. It should be used with a protection circuit board that guards the 18650 battery against over-charge, over-discharge of the pack, and avoid over-current drawn. It is very easy to use the cell in any circuit just solder the wires on the terminals or use 18650 li-ion battery holders to easily replace the used cells. Care must be taken while handling Li-ion batteries as they are volatile and inflammable and should not be handled roughly and punctured. Also, don’t overcharge and discharge beyond a certain point as gases accumulated inside might result in explosions and fire. So always use the Protection board while using Li-Ion cells. Note: We do not recommend using this 3.7v 18650 lithium ion rechargeable battery for critical applications. The capacity and performance of the cell might vary based on charging and discharging parameters. Please note that we do NOT provide any guarantee/warranty on this product. Read our blog about Battery AH means , It covers all the details of batteries. Features: Safe to use, environment-friendly, and with long battery life High energy density for excellent continuous power sources Use with a protection circuit board to guard against over-charge, over-discharge, and over-current Easy to use in any circuit by soldering wires on the terminals or using battery holders Applications: Cordless Phones Tablet PC GPS iPod, DVD, MP4 Player, etc. Mobiles backup power supply/Power bank

11.1V 4500mAh Lipo Battery Lithium polymer battery Pack (LiPo) batteries are known for performance and reliability. Lithium polymer battery Pack (LiPo) batteries deliver the full rated capacity at a price everyone can afford. They are equipped with heavy-duty discharge leads to minimize resistance and sustain high current loads and stand up to the punishing extremes of aerobatic flight and RC vehicles. Here is a tutorial video on how to charge your LiPo battery using an iMax B6 multifunctional charger. SAFETY PRECAUTIONS: In order to maintain the efficiency and battery life of the LiPo batteries, avoid overcharging or over-discharging them. LiPo batteries must not be kept near hot devices, surfaces, or substances. This can lead to severe damage and/or fire. To avoid environmental damage, do not throw the Lithium Polymer batteries into water or fire. Never leave this battery on charge unattended. APPLICATIONS FOR THIS PRODUCT: LiPo batteries can be used in RC Cars Quadcopters RC airplanes Power various small low-powered embedded devices. Features of 11.1V 4500 mAh LiPo Battery: Battery Type LiPo Batteries Capacity (mAh) 4500 Output Voltage 11.1V Recommended Charge Rate 1-3C Maximum Discharge rate 35C Maximum Charging Rate 5C Dimensions 135 x 43 x 23 mm Weight 100 grams

5V 1 amp DC jack Adapter 5 Volt 1 Amp Power Adapter takes an AC INPUT of 100-270VAC and gives 5V 1A DC output Features Excellent Quality Short Circuit, Over Voltage & Over Current Protection Incredibly Low Fault Rates No Minimum Load This power supply is a regulated Center Positive power supply It's plug design is for Indian power socket so, no plug converter is required Compact size & light weight High Reliability Regulated Stable Voltage Good quality SMPS Based Adapter Stabilized Output, low ripple & low interference Single Output Voltage High Efficiency & low energy consumption check out : 5V 2Amp Single Jack Adapter