0.9V-5V to 5V DC-DC USB Step Up Power Boost Converter Module

Official Raspberry Pi 4 Model B 4GB RAM The Raspberry Pi 4 Model B 4GB is a compact and versatile single-board computer that provides desktop-level performance in a credit card-sized device. The RPI 4B is powered by a Broadcom Quad-Core Cortex-A72 (ARM v8) 64-bit SoC that runs at 1.5GHz and has 4GB of LPDDR4-3200 SDRAM for efficient multitasking and basic desktop programs. This device is designed for a wide range of DIY projects, including media centres, file servers, robotics, and smart home systems. The Raspberry Pi 4B 4GB supports dual 4K displays ( 4K@30Hz ) through its micro-HDMI ports, making it perfect for high-definition video and creative endeavours. It has dual-band WiFi 2.4 GHz and 5.0 GHz IEEE 802.11ac , Bluetooth 5.0 , and Gigabit Ethernet for a consistent connection. It also features two USB 3.0 connections and two USB 2.0 ports to connect devices. The Raspberry Pi 4 4GB is popular among programmers and makers. It comes with native Python support , making it a fantastic platform for coding education and automation project development. It is capable of running both 32-bit and 64-bit operating systems , offering versatility for different uses. Whether for teaching, prototyping, or creative projects, it serves as a potent and affordable computing option. Shop Raspberry Pi 4 4GB Full Kit – Plug & Play Setup Affordable power for your projects – Raspberry Pi 4 2GB ! What makes this model Great? The speed and performance of the new Raspberry Pi 4 4GB are a noticeable improvement from earlier models. For the first time, the Raspberry Pi Foundation has created a complete desktop experience. Whether you're editing documents, browsing the web with multiple tabs open, managing spreadsheets, or creating a presentation, you'll find the experience smooth and familiar. It is a more energy-efficient and cost-effective machine. Features Broadcom 2711 Quad-Core Cortex A72 @ 1.5GHz delivers 20% faster performance with improved power and thermal efficiency. Dual micro-HDMI outputs support dual 4K displays with hardware video decode at 4Kp60 (H.265, H.264, MPEG-4). Dual-band WiFi (802.11b/g/n/ac) on 2.4GHz & 5GHz with advanced PCB antenna for robust wireless connectivity. Bluetooth 5.0 offers an extended range of wireless peripherals. Upgraded USB 3.0 Ethernet provides wired speeds up to 10x faster than previous models. 2 USB 3.0 and 2 USB 2.0 ports enable versatile peripheral connections. 40-pin GPIO header is fully backwards-compatible with earlier Pi models. Optional PoE support is available, with PoE header pins designed to work with proper standoffs. Comparison Table Raspberry Pi 4 Model B Raspberry Pi 5 Raspberry Pi 3 Model B+ Price (INR) ?3599 VIEW ?5129 VIEW ?3649 VIEW Processor 1.5GHz Quad-Core ARM Cortex-A72 2.4GHz Quad-Core ARM Cortex-A76 1.4GHz Quad-Core ARM Cortex-A53 RAM 1GB, 2GB, 4GB, 8GB LPDDR4 2GB, 4GB, 8GB, 16GB LPDDR4 1GB LPDDR2 Wi-Fi Dual-band 802.11ac Dual-band 802.11ac Dual-band 802.11ac Bluetooth 5.0 5.0 4.2 USB Ports 2× USB 3.0, 2× USB 2.0 2× USB 3.0, 1× USB 2.0 4× USB 2.0 Ethernet Gigabit Ethernet Gigabit Ethernet Gigabit Ethernet Video Output 2× Micro HDMI (4Kp60) 2× Micro HDMI (4Kp60) 1× HDMI (1080p) GPIO Pins 40 40 40 Storage MicroSD (SDXC up to 2TB) MicroSD (SDXC up to 2TB) MicroSD (SDHC) Power Supply USB-C USB-C Micro USB Click for Complete Raspberry Pi Kits – Learn, Build, and Innovate! Pin Diagram:

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.

7Semi MAX17048 LiPoly - LiIon  Battery Fuel Gauge Breakout Module The 7Semi MAX17048 LiPoly - LiIon  Battery Fuel Gauge Breakout Module is a reliable and easy-to-use battery fuel gauge module built for accurate monitoring of single-cell lithium batteries. Using the MAX17048 IC, this single-cell lithium battery monitor delivers precise state-of-charge and voltage measurements without the need for a current-sense resistor, simplifying circuit design. With its I2C interface, the board integrates smoothly with microcontrollers, making it perfect for real-time battery tracking in portable devices, IoT applications, and DIY electronics projects. Features: MAX17048-based battery fuel gauge module for accurate SoC measurement Supports Li-Ion and Li-Poly single-cell lithium battery monitoring No current-sense resistor required for simplified design I2C communication for easy microcontroller integration Compact breakout board suitable for portable and IoT projects Benefits: Streamline your process: Avoid project delays and time-consuming guesswork with instantaneous battery % monitoring. For seamless and effective operations, know precisely when it's time to recharge. Advanced surveillance without the trouble: These intricate battery calculations are handled by the sophisticated MAX17048 microcontroller, which provides you with extremely precise data without requiring any programming or analysis on your behalf. All-purpose compatibility for every project: Whether you're using Arduino, Raspberry Pi, or other well-known microcontrollers, you can easily incorporate this board into your configurations. For optimal versatility across many systems, it supports both 3.3V and 5.0V logic levels. Optimize battery life by tailoring low-power modes and alarms to your specific project requirements, making the most of your LiPo batteries for extended runtimes. Go beyond simple voltage measurements: The MAX17048 offers a reliable, real-time state-of-charge percentage, so you can learn the truth about the condition of your battery.

DFRobot Gravity CAN to TTL Communication Module with SLCAN Protocol The Gravity: CAN to TTL Communication Module is a powerful solution that bridges the gap between CAN bus and UART/USB interfaces. Supporting the CAN 2.0 protocol and incorporating SLCAN commands, this module simplifies complex CAN communications into easy-to-use AT commands. You don't need to worry about the technical details of the CAN protocol - just send simple commands to transmit data and configure the module. With compatibility for both 3.3V and 5V systems, this versatile module fits seamlessly into various project requirements without additional level shifters. This CAN bus converter features both UART and integrated USB 1.0 interfaces, eliminating the hassle of USB-to-UART conversions during debugging. Simply connect it to your computer via USB for convenient data testing through a serial assistant. The module offers configurable CAN baud rates from 25K to 1Mbps and can handle up to 500 data packets per second without loss, ensuring reliable communication for your projects. With helpful features like data communication indicators and a 120? resistor jumper, this SLCAN protocol module streamlines development and troubleshooting for students, hobbyists, and professional engineers working with CAN bus systems. Features Supports CAN 2.0 protocol for wide compatibility Dual interface with both UART and USB 1.0 connections Compatible with 3.3V and 5V voltage levels Configurable CAN baud rates from 25Kbps to 1Mbps Default UART baud rate of 115200Bps Maximum transmission rate of 2ms per packet Handles 500 data packets per second without loss Includes data communication indicator for easy monitoring Features 120? resistor jumper for proper CAN bus termination Configuration parameters saved even when power is disconnected Connection Diagram of Gravity: CAN to TTL Communication Module and ESP32-E

SmartElex TPS63060 5V USB Buck-Boost Module – 500mA The SmartElex TPS63060 5V USB Buck-Boost Module – 500mA is a compact and high-efficiency buck boost module designed to provide a stable 5V output from input voltages ranging from 3V to 12V. Powered by a 2A internal switch, this 5V buck boost converter can deliver up to 500mA from a 3V source and at least 1000mA from a 12V source, making it ideal for battery-powered and portable electronics. Its synchronous operation allows complete output disconnection using the Enable pin, ensuring zero output power consumption when disabled. With over 90% efficiency, low heat generation, and ultra-low quiescent current (5mA enabled, 20µA disabled), it is well-suited for USB-powered DIY projects, embedded systems, and efficient power management applications. Features: Wide input voltage range: 3 to 12 VDC. Stable 5V DC Output: Produces a stable 5V output. 500mA Output Current: Provides up to 500mA of current. Buck-Boost Conversion: Provides a stable output despite swings in input voltage. Universal Power Supply: Ideal for a variety of portable tasks. Battery Pack Conversion: Converts battery packs into 5-volt USB power sources. Ideal for Variable Voltage: Designed to work with fluctuating or unknown battery voltages.

2-String 20A Lithium Battery Protection Module Balanced Version The 2-String 20A Lithium Battery Protection Module (Balanced Version) is a safety board designed to protect and manage 2-cell (2S) lithium battery packs used in 7.4V to 8.4V systems. It helps prevent overcharging, over-discharging, over-current, and short-circuit conditions, keeping your battery pack safe and extending its life. This balanced version also ensures both cells charge and discharge evenly, improving performance and longevity. This protection board supports up to 20A continuous current, making it suitable for small-to-medium power applications like portable electronics, DIY battery packs, e-bikes, scooters, and other battery-powered devices. Its compact design and easy wiring make it a practical choice for both hobbyists and experienced builders looking to add reliable protection to their lithium battery systems. Features: Designed for 2-cell (2S) lithium battery packs (7.4V / 8.4V) 20A continuous current support for stable performance Cell balancing function to maintain equal charge levels Protects against over-charge, over-discharge, over-current, and short circuit Helps extend battery life and improve safety Compact board size for easy integration into battery packs Suitable for DIY battery packs, power tools, and portable devices

7Semi DC-DC Buck Converter 7V-40V Input to 5V 5A Output- AP64500 (BO-10188) The 7Semi DC-DC Buck Converter 7V–40V Input to 5V 5A Output – AP64500 (BO-10188) is a high-power voltage regulator module designed to convert higher DC input voltages into a stable 5V output with up to 5A current. Its wide input range makes it suitable for many power sources, including batteries and industrial supplies, where reliable 5V power is needed. Built around the efficient AP64500 synchronous buck converter, this module delivers stable output with low heat and high efficiency, even under heavy load. It is well suited for powering microcontrollers, single-board computers, sensors, and communication modules. Whether you’re building robotics, automation systems, or advanced electronics projects, this buck converter provides dependable and efficient power management. Features: Wide input voltage range: 7V to 40V DC Stable 5V output with up to 5A continuous current High-efficiency synchronous buck converter using AP64500 Low thermal loss and reliable performance under load Compact breakout module for easy project integration Built-in power protection features for safe operation Ideal for microcontrollers, SBCs, IoT and embedded systems Suitable for robotics, automation, and power supply projects

Holybro Pixhawk 6C Flight Controller With PM02 Power Module and M9N GPS The Holybro Pixhawk 6C Flight Controller with PM02 Power Module and M9N GPS is an advanced pixhawk flight controller built to deliver reliable, precise control for a wide range of UAV platforms. Equipped with a high-performance processor and advanced sensors, this controller ensures stable flight dynamics, quick response times, and superior handling for multirotor, fixed-wing, and VTOL drones. Designed with both hobbyists and professional developers in mind, it supports popular open-source firmware and provides the flexibility needed for autonomous missions, research applications, and custom drone builds. This complete package includes a robust drone flight controller, the PM02 power module for clean and regulated energy supply with real-time current and voltage monitoring, and the high-precision GPS module with integrated compass for accurate positioning and navigation. Together, these components simplify setup, enhance flight reliability, and improve overall performance, making it an ideal choice for builders seeking a comprehensive flight system with dependable power management and precision location tracking. Features: High-performance pixhawk flight controller designed for fast processing and stable, accurate drone control. Includes PM02 power module for clean and regulated power delivery with real-time voltage and current monitoring. Comes with M9N GPS module and integrated compass for precise positioning and reliable navigation. Supports multirotor, fixed-wing, and VTOL drone platforms for versatile UAV applications. Compatible with popular open-source flight controller firmware for flexible customization. Simplified wiring and robust power management improve safety and overall system reliability.

SmartElex 12V 1.5A MC33063A Boost Module The SmartElex 12V 1.5A MC33063A Boost Module is a compact DC-DC boost converter designed to step up lower voltages to a stable 12V output for electronic projects. It offers a reliable way to power modules, sensors, and communication devices when a direct 12V supply is not available. This module is suitable for students, hobbyists, engineers, and startups working on embedded systems or battery-powered applications where efficient power management is essential. This boost module is ideal for robotics, IoT devices, automation systems, and portable projects that need a consistent 12V source from lower input voltages. It integrates easily with microcontroller platforms like Arduino, Raspberry Pi, and ESP32-based circuits, making it useful for prototyping and real-world deployment. The stable output and dependable performance help reduce power-related issues, allowing users to focus on development without worrying about unstable voltage supply. Notes: Efficient Conversion: The module ensures high efficiency, making it ideal for battery-powered applications, reducing energy loss. Compact and Easy Integration: Its small size and low component count make it easy to integrate into custom circuits. Protection Features: Overload and short-circuit protections ensure the module and connected devices are safe under fault conditions. Low Ripple: The module provides a clean, stable 12V output with minimal ripple, which is essential for powering sensitive components. Aspect Filtered Output Non-Filtered Output Ripple Reduced, smooth DC voltage with minimal ripple Significant ripple in the DC output Stability Stable, suitable for powering sensitive electronics Unstable, may cause instability in sensitive devices Components Requires capacitors to smooth output No filtering components, raw output Use Case Ideal for powering microcontrollers, sensors, and other sensitive electronics Suitable for less sensitive applications or where ripple is not critical Voltage Output Steady, clean DC voltage Pulsating DC with noticeable fluctuations Features: Built-in protection against overload and short circuits for safe operation. Delivers a steady 12V output with low ripple, suitable for sensitive circuits. Uses standard inductor values (100µH to 220µH) based on load needs. Uses capacitors (100µF to 470µF) to help maintain voltage stability. Compact 8-pin package design that is easy to add to electronic projects. Applications: Powers 12V devices from low-voltage sources like Li-ion batteries. Suitable for 12V LED strips and lighting setups. Useful in custom 12V power supplies. Can power sensors, microcontrollers, and communication modules needing a clean 12V source.

SmartElex Ebyte E73-2G4M04S1AX Bluetooth Wireless Module The SmartElex Ebyte E73-2G4M04S1AX Bluetooth Wireless Module is a compact BLE module based on the Nordic nRF52810 chipset, designed to add Bluetooth connectivity to embedded and IoT projects. It enables reliable wireless communication for data transfer, device control, and sensor monitoring without complex RF design, making it suitable for students, makers, educators, engineers, and startups working on Bluetooth-enabled systems. This Bluetooth module offers an accessible way to prototype smart devices, wearable tech, and automation solutions where low power consumption and stable connectivity are important. This nRF52810 module is ideal for IoT applications, robotics control, wireless sensor networks, BLE beacons, home automation systems, and smart consumer electronics. It integrates smoothly with development platforms like Arduino, Raspberry Pi, ESP32, and various microcontroller environments, allowing quick setup and easy firmware development. With dependable BLE communication and beginner-friendly integration, the SmartElex Ebyte E73-2G4M04S1AX module is a strong choice for prototyping, academic learning, and early product development where Bluetooth 4.2/5.0/5.2 compatibility and low power operation are essential. Features: Bluetooth module based on Nordic nRF52810 for stable BLE communication Supports Bluetooth 4.2 / 5.0 / 5.2 for wide device compatibility Low-power operation ideal for battery-powered and wearable devices Compact breakout board for easy integration into embedded projects Works with Arduino, Raspberry Pi, ESP32, and other microcontrollers Suitable for IoT systems, BLE beacons, automation, and wireless sensors

1500V USB To USB Isolator Module ADUM4160 & 3160 - Optical Isolation Board for USB Protection The USB to USB Isolator Module is designed to protect your devices and computer from electrical noise, ground loops, and voltage spikes. Featuring optical isolation technology, this module ensures safe communication between USB interfaces by isolating the data and power lines. It supports both low-speed (1.5 Mbps) and full-speed (12 Mbps) USB communication, making it suitable for a variety of microcontroller programmers, USB test instruments, HID devices, and data-acquisition tools. With an isolation voltage of up to 3000V and a built-in 1500V isolated power module, this board offers robust electrical protection in demanding environments. It is plug-and-play, powered directly from the host USB port, and requires no additional drivers. Ideal for labs, embedded systems, industrial environments, and DIY electronics, the ADUM3160 isolator helps ensure stable signal integrity and protects both the host system and connected equipment. Features: Provides strong electrical isolation using ADUM3160/ADUM4160 to protect USB devices from noise, surges, and ground loops. Supports USB 1.5 Mbps low-speed and 12 Mbps full-speed communication for wide compatibility. Built-in 1500V isolated power module and 3000V data isolation capability for enhanced safety. Compatible with many programmers and USB devices such as FT232, CH341, J-Link, PICKIT2, card readers, cameras, and more. Plug-and-play design powered directly from the host USB port—no external drivers required. Designed to operate in a wide temperature range from -40°C to 85°C, suitable for lab and industrial use. Compact PCB for easy integration into workbenches, test setups, and embedded development systems.

SmartElex 12V 3A 2 Channel Signal Relay Module The SmartElex 12V 3A 2 Channel Signal Relay Module is a compact and dependable solution for controlling multiple electrical loads using low-power control signals. It allows users to switch devices safely without directly handling higher voltages or currents, helping protect sensitive control circuits. This relay module is suitable for students, makers, engineers, educators, and startups working on embedded systems, control projects, and automation setups that require reliable dual-channel switching. This 2-channel relay module is ideal for robotics, IoT applications, home and industrial automation, and general prototyping where two devices need to be controlled independently. It can be easily interfaced with popular development platforms such as Arduino, Raspberry Pi, and ESP32, making it simple to control lights, motors, pumps, alarms, or other external equipment. The straightforward design and stable performance make it easy to integrate into both experimental projects and finished products, supporting consistent and safe operation. Features: Dual-channel relay module for controlling two devices independently Operates on 12V, suitable for automation and control systems Supports up to 3A load current per channel Provides electrical isolation between control and load circuits Compatible with Arduino, Raspberry Pi, ESP32, and other controllers Compact design with LED indicators for easy status monitoring

SmartElex HC-08 Bluetooth 4.0 BLE Module for Data Transfer The SmartElex HC-08 Bluetooth module is a compact and reliable HC 08 Bluetooth module designed for wireless data communication in embedded projects. It allows devices to exchange data over Bluetooth Low Energy, making it useful for applications that require short-range wireless connectivity with low power consumption. This BLE 4.0 module is ideal for students, makers, educators, engineers, and startups who want to add simple and efficient wireless communication to their electronics projects. The module integrates easily with popular platforms such as Arduino, Raspberry Pi, and ESP32, making it suitable for robotics, IoT devices, automation systems, and rapid prototyping. Its stable BLE communication helps enable applications like wireless sensors, mobile app control, and data logging. With straightforward serial communication and dependable performance, this wireless communication module simplifies the development of Bluetooth-enabled projects. Features: Bluetooth 4.0 BLE module for low-power wireless data transfer Enables simple and stable serial communication over Bluetooth Suitable for short-range wireless connectivity in embedded projects Easy to interface with Arduino, Raspberry Pi, and ESP32 Low power operation ideal for battery-powered applications Useful for IoT, robotics, automation, and wireless control projects

7Semi Compact FT232 USB-C UART (TTL) Communication Module The 7Semi Compact FT232 USB-C UART (TTL) Communication Module is a reliable and easy-to-use USB UART Module designed for stable USB-to-TTL serial communication. Powered by the FT232RNL chip, it ensures accurate data transfer between USB ports and microcontrollers, development boards, or embedded systems. With support for both 5V and 3.3V logic levels, this USB UART Module adapts easily to different hardware requirements. Its USB Type-C interface enhances durability and connectivity, while the onboard TX and RX LEDs provide clear visual feedback during data transmission, making it ideal for debugging, programming, and serial communication applications. Features: Time-saving: With quick setup and straightforward use, you can focus on your job rather than connectivity issues. Wide Application: It is compatible with a wide range of TTL devices, making it suitable for a variety of projects. Project tracking allows you to easily monitor data flow and ensure that everything goes properly. Adaptable: The flexible power and logic levels accommodate a wide range of development situations. FT232 devices provide two driver options: VCP (Virtual COM Port): Ideal for simple projects in which you want your device to behave like a conventional serial device. D2XX: Provides greater control and flexibility, but requires programming using API functions. Select this if you require advanced functionality.

SmartElex 5V 3A 2 Channel Signal Relay Module The SmartElex 5V 3A 2 Channel Signal Relay Module is a dependable 2-Channel Relay Module designed to switch and control multiple medium-power devices with precision. Powered by a stable 5V relay module design, it uses two JY4100F-S-DC5V-C relays, each rated to handle 3A at 120V AC or 24V DC, ensuring exact and consistent switching performance. Its core function is to provide electrically isolated control between low-voltage microcontrollers and higher-voltage loads, making it safe and efficient for real-world applications. With onboard LED indicators, protective circuitry, and seamless compatibility with Arduino, Raspberry Pi, and ESP32, this module is a practical choice for automation systems, IoT solutions, and smart control projects. Applications: Smart home systems have dual device control. Dual motor or light control in automation. IoT initiatives require various device management. robotics, alarms, and security systems. Industrial process control Cautions: Provide a good 5V regulated supply. Do not exceed the rated voltage and current for contacts. Use isolation techniques for high voltage connections. Prevent moisture and dust collection on the PCB. Features: A dual-channel relay module may control two loads. 5V DC operating voltage allows for simple integration. Each channel can switch up to 3A at 120V AC or 24V DC. Ideal for microcontrollers such as the Arduino, Raspberry Pi, and ESP32. Quick response time: ≤10 ms operation and ≤5 ms release. Low power usage (`0.36W each channel, ~0.72W overall). Includes status LEDs for each channel. High insulation resistance (≥100 MΩ) ensures safety and reliability. Built-in safety features ensure safe operation. The operating temperature range is -40°C to +85°C for durability.