CD4538 - Dual Precision Monostable Multivibrator IC

TL-Smoother module for 3D printer motor drivers V1.0 A smoother module for stepper driver motor is an add-on module for stepper motors of 3D Printers. It is useful for a softer movement in Delta Style 3D Printer as when using DVR8825 or step and drives and A4988/2 driver unit. TL smoothers are popular little printed circuit boards (PCBs) that are often used in FDM 3D printers to not surprisingly, smooth out the look of prints. In other words, they reduce surface artifacts caused by irregular stepper motor motion, often dubbed “zebra stripes,” “salmon skin,” etc. These smoothers are often sold as 4- and 8-diode variants, with the 8-diode ones (pictured above) offering a stronger smoothing effect. They plug into any 3D printer between the stepper drivers and the stepper motors, working their electrical “magic” without any other setup needed. Their low cost, plug-and-play functionality, and seemingly magical effect have made them quite beloved, albeit slightly controversial. The board provides flyback diodes (freewheeling diodes) for the motor outputs so that they are also protected against induction voltages in the unpowered state of the driver. You will get smoother movement. Features: Suitable for all FDM types of 3D printers Lower vibration, lower noise, and smoother result. Smoother movement especially on the delta-style 3Dprinter under DVR8825 stepper drivers and A4988/2 drivers.

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 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 12V 7A Single Channel Power Relay Module The SmartElex 12V 7A Single Channel Power Relay Module is a dependable switching solution designed to control higher-power electrical loads using low-voltage control signals. It helps protect microcontrollers and sensitive electronics by providing proper isolation between the control circuit and the load side. This module is suitable for students, makers, engineers, educators, and startups who are working on control systems, automation projects, or embedded applications that require safe and reliable power switching. This single channel power relay module is ideal for robotics, IoT systems, home automation, and industrial control projects where devices such as motors, lights, pumps, or other electrical equipment need to be switched reliably. It can be easily interfaced with popular development platforms like Arduino, Raspberry Pi, and ESP32, making it convenient for both prototyping and final product integration. The simple design and consistent performance allow users to build stable control systems without added complexity. Features: Single channel power relay module for high-load switching Operates on 12V, suitable for automation and control systems Supports up to 7A load current for power applications Electrical isolation between control side and load side for safety Compatible with Arduino, Raspberry Pi, ESP32, and similar boards Compact and durable design for easy integration into projects

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.

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.

SmartElex 12V 10A Single Channel Automotive Relay Module The SmartElex 12V Relay Module is a compact and reliable 12V relay module designed to safely control high-power electrical loads using low-voltage signals from microcontrollers. It helps users switch devices like motors, lights, pumps, and automotive accessories without directly handling high current, making projects safer and easier to manage. This Single Channel Relay Module is well suited for students, makers, educators, engineers, and startups working on electronics, robotics, or automation projects where dependable load control is required. Built for real-world applications, this relay module integrates smoothly with popular development platforms such as Arduino, Raspberry Pi, and ESP32, making it ideal for robotics control systems, IoT automation, smart vehicles, and DIY prototyping. Its automotive-grade design ensures stable performance in demanding environments, while the simple input interface allows quick integration into new or existing projects. Whether you are building a prototype, an automation solution, or an educational demo, this module offers dependable switching and easy integration for everyday electronics applications. Note: Refer to datasheet in the ATTACHMENTS section for more info. regd. the product. Features: Supports safe switching of 12V DC loads in high-power applications Uses an automotive-grade relay for reliable and long-lasting operation Compact and durable design suitable for space-constrained setups Easy to interface with Arduino, Raspberry Pi, ESP32, and other controllers Low-power trigger allows efficient control using logic signals or switches Suitable for automotive systems, robotics, DIY electronics, and automation projects

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 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.

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.

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.

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.