USB CH340 To RS485 Converter Adapter 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:

7Semi Vikram-3025 High-Power 25A DC Motor Driver for 6–30V Motors The 7Semi Vikram-3025 is a heavy-duty single-channel DC motor driver built for demanding robotics, automation, and mechatronics projects. Designed to handle 25A continuous load with a 6V–30V operating range, it uses a high-efficiency discrete NMOS H-Bridge that eliminates the need for bulky heat sinks. Whether you're powering high-torque DC motors or creating reliable industrial controls, this driver ensures stable, smooth, and responsive performance. With built-in safety features like overcurrent protection, temperature protection, and undervoltage shutdown, your system stays secure even under heavy loads. This motor driver goes beyond basic control, it includes onboard test buttons, motor output LEDs, and a regulated 5V output for powering microcontrollers, making prototyping extremely convenient. It supports PWM/DIR control signals from a wide range of logic voltages (1.8V to 30V), ensuring compatibility with Arduino, Raspberry Pi, PLCs, and other controllers. It also offers manual control options using a potentiometer and switch, giving both beginners and advanced users flexible control in real-world applications. This makes it a dependable choice for custom robotics, high-power motor control, and automation systems. Features: Provides smooth and reliable bidirectional control for single brushed DC motors. Supports a wide operating voltage range from 6V to 30V for flexible motor compatibility. Handles a continuous motor current of 25A, ideal for high-load or high-torque applications. Includes an onboard 5V regulated output (250mA) to power a microcontroller without an external supply. Onboard test buttons and motor state LEDs allow quick, controller-free testing during prototyping. Offers dual input modes: PWM/DIR for digital control or potentiometer/switch for manual operation. Compatible with 1.8V, 3.3V, 5V, 12V, and 24V logic, making it suitable for Arduino, Raspberry Pi, PLCs, and more. Supports PWM input frequency up to 40kHz with a fixed 16kHz output for quiet motor operation. Built-in protections include active current limiting, overcurrent protection, temperature protection, and undervoltage shutdown.

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.

Holybro PM07 Power Module (14S) The Holybro PM07 Power Module (14S) is a robust and reliable power module designed to deliver clean, regulated power to your drone’s flight controller and onboard electronics, supporting up to 14-cell LiPo battery configurations. Engineered for high-current UAV applications, this module provides accurate real-time voltage and current monitoring, helping ensure safe operation while protecting sensitive components from electrical faults. Its efficient power delivery and dependable performance make it an essential component for advanced drone builds and professional UAV platforms. Built to simplify wiring and enhance system reliability, the Holybro PM07 Power Module integrates seamlessly with popular flight controllers, reducing clutter and improving overall power management. Whether you’re developing high-performance multirotor drones, autonomous platforms, or research UAVs, this power module offers consistent energy supply, precise monitoring, and improved safety for extended flight operations, giving you confidence in both performance and durability. Please Note: The XT60 Plug and 12AWG wire that are pre-soldered on the board is rating for 30A continuous current and 60A burst current (< 60 Seconds). If a higher current is being used, the plug type and wire size should be changed accordingly. You can refer to this chart for reference. This PM02 Power Module uses analog data output and is not compatible to the Pixhawk 5X & 6X (Requires a digital PM like PM02D). Features: High-capacity power module designed to support up to 14S LiPo batteries for advanced UAV applications. Delivers clean and stable power to flight controllers and onboard electronics. Provides accurate real-time voltage and current sensing for improved flight safety. Built for high-current handling in professional and heavy-lift drone platforms. Reduces wiring complexity with an integrated power and monitoring solution. Ideal for multirotor drones, autonomous UAVs, and research-grade aerial systems.

Radiolink FPV Mobile Phone Holder Stand Folding Mount for RC4GS V3/V2 & RC6GS V3/V2 Controllers The Radiolink FPV Display Monitor Screen Holder is designed to securely hold mobile phones or FPV display screens on your RC controller. Simply insert the mount into the controller’s 1/4” (M6) thread hole, place your phone or monitor on the holder, and adjust the angle using the 360° rotating ball head. This makes it easy to achieve the perfect viewing position while flying, whether indoors or outdoors. This foldable and lightweight holder extends from 5.5cm to 9cm, supporting FPV monitors up to 4.3 inches and mobile phones up to 6.8 inches. Compatible with Radiolink RC4GS V2/V3, RC6GS V2/V3, and other devices with a standard thread hole, it is made of durable plastic and metal to withstand impact. Weighing only 105g, it is easy to install, remove, and carry, making it a reliable accessory for FPV enthusiasts. Features: Holds mobile phones or FPV display monitors securely 360° adjustable ball head for optimal viewing angles Extendable from 5.5cm to 9cm Supports FPV monitors up to 4.3 inches and phones up to 6.8 inches Compatible with Radiolink RC4GS V2/V3, RC6GS V2/V3, and devices with 1/4” (M6) thread hole Lightweight and durable, made of plastic and metal Easy to install, remove, and carry

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

SmartElex Multiplexer USB/TTL/RS232/RS485 Communication Converter The SmartElex Multiplexer USB/TTL/RS232/RS485 Communication Converter is a versatile interface board designed to simplify data communication between different serial protocols. It allows users to convert and connect USB signals to TTL, RS232, or RS485 devices without complex wiring or additional hardware, making it ideal for students, makers, engineers, educators, and startups working with industrial equipment, microcontrollers, or legacy communication systems. This module helps bridge communication gaps between computers and embedded hardware, reducing setup time during development and troubleshooting. This multiplexer converter is commonly used in robotics, IoT device management, automation systems, PLC communication, sensor networks, and serial debugging tasks. It works smoothly with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms, enabling stable data exchange and reliable serial protocol conversion for both prototypes and field applications. With easy integration and dependable performance, the SmartElex USB/TTL/RS232/RS485 converter is a practical tool for laboratories, development environments, and industrial interfacing projects that require seamless multi-protocol communication. Features: Supports USB to TTL, RS232, and RS485 serial communication Enables multiple protocol conversions in a single module Simplifies interfacing between computers and embedded systems Compatible with Arduino, Raspberry Pi, ESP32, PLCs, and sensors Ideal for robotics, IoT, automation, and industrial applications Suitable for debugging, monitoring, and data communication testing

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 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

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.

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.

7Semi MMC5983MA 3-axis Mini Magnetometer Sensor Breakout Module The 7Semi MMC5983MA 3-axis Mini Magnetometer Sensor Breakout Module is a high-precision magnetic sensor designed to measure magnetic fields along three axes with excellent accuracy and stability. It supports a magnetic field range of ±8 Gauss, delivering ultra-low noise and high-resolution output for reliable data. Communicating through a standard I2C interface, this magnetometer sensor ensures low power operation and fast response, making it ideal for navigation systems, orientation tracking, digital compasses, and magnetic anomaly detection. Its compact form factor allows seamless integration into space-constrained electronics, IoT devices, and embedded applications where precise magnetic sensing is essential. Features: Triple-Axis Magnetic Sensing provides great precision across three axes, with 0.4mG resolution and ±0.5° heading accuracy. High Dynamic Range and Resolution: ±8G FSR, 18-bit operation for precise measurements. Built-in Degaussing Circuitry: Effectively eliminates residual magnetization, ensuring consistent performance even when exposed to high external magnetic fields. Advanced Compensation Features: On-chip sensitivity and temperature compensation ensure consistent readings under changing situations. Fast I2C Communication: The I2C protocol has a fast mode of up to 400KHz, allowing for easy integration with other devices. The energy-efficient design consumes only 1µA during power down, making it excellent for power-sensitive applications. Compact form factor: A small PCB layout with a horizontal 4-pin 2mm pitch JST connection, ideal for space-constrained applications.

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.