Radiolink I2C Expansion Transfer Board for Flight Controllers with Dual I2C Ports

HGLRC Zeus 800mW Smart Mounting 20*20 / 30*30 VTX The HGLRC Zeus 800mW Smart Mounting VTX is a versatile FPV video transmitter designed to deliver stable and clear video transmission for drone pilots. With an output power of 800mW, it provides reliable signal coverage over good distances, making it suitable for both freestyle flying and racing environments. Its dual mounting support for 20×20mm and 30×30mm patterns ensures easy compatibility with a wide range of drone frames. Equipped with SmartAudio technology, it allows real-time adjustments of power levels and frequency channels directly through the flight controller, offering convenience and flexibility during flight. With its compact design, efficient performance, and easy installation, the Zeus 800mW VTX is a great choice for FPV enthusiasts looking for a balance of power, control, and adaptability. Features: Delivers 800mW output power for strong and stable video transmission over extended distances Supports both 20×20mm and 30×30mm mounting patterns for easy compatibility with different drone frames Equipped with SmartAudio technology, allowing real-time adjustments of power and channels via the flight controller Specifically designed for FPV drones, ensuring reliable and consistent performance during flights Offers flexible installation options, making it suitable for various drone builds and configurations Provides clear and stable video output for an enhanced FPV flying experience Compact and lightweight design ensures easy integration without adding extra bulk Efficient heat dissipation helps maintain stable performance during longer flight sessions

Radiolink T8FB 2.4GHz 8CH RC Transmitter with R8EF The Radiolink T8FB is a 2.4GHz 8-channel RC remote transmitter designed for drones, RC airplanes, helicopters, cars, boats, and robotics projects. Built with advanced FHSS spread spectrum technology, it delivers stable signal transmission, fast response time, and strong anti-interference performance for precise control. Paired with the R8EF receiver, this dual stick controller supports reliable PWM output and long control range, making it suitable for both beginners and experienced RC hobbyists. The compact and ergonomic design ensures comfortable handling during extended flying or driving sessions. With easy setup and smooth stick precision, the T8FB radio controller system offers dependable performance for multirotors, fixed-wing aircraft, and other RC models requiring stable 2.4GHz wireless communication. Features: Advanced FHSS pseudo-random frequency hopping technology ensures stable signal transmission with strong anti-interference performance 8-channel RC transmitter with dual rate, end point adjustment, failsafe setting, and self-adaptive battery voltage support Low power consumption under 80mA for efficient and reliable operation Built-in training mode and simulator compatibility for practice and learning Bluetooth connectivity for easy setup via iOS/Android app and PC software Supports 4 programmable mixing controls for customized RC model configuration Firmware upgrade support to enable future feature updates Unlimited model memory storage for multiple RC setups Compatible with R8SM, R8FM, R8EF, R8F, R8FG, R7FG, R6FG, R6F, and R4FGM receivers Suitable for multirotor drones, airplanes, gliders, RC tanks, STEM robots, RC cars, and boats

HGLRC M100 PRO GPS The HGLRC M100 PRO GPS is a compact and high-precision GPS module designed for drone applications. It utilizes a u-blox M10 chip, offering fast and accurate positioning with support for multiple satellite constellations, including GPS, GLONASS, Galileo, and BeiDou. This multi-constellation capability enhances signal reliability and accuracy, even in challenging environments. The module is known for its low power consumption and small form factor, making it ideal for space-constrained builds. Additionally, it often features a built-in compass for heading information and a high update rate, contributing to stable and reliable flight performance. Features Powered by the latest 10th generation chip, enabling faster processing and improved performance with the ability to search and connect to 50+ satellites for enhanced accuracy. Integrated QMC5883L compass ensures precise orientation and stable directional tracking, improving navigation reliability. Upgraded to support 120 receiving channels, allowing the module to lock onto more satellites simultaneously for quicker positioning and stronger signal acquisition. Advanced five-mode positioning system provides highly stable and reliable connectivity, ensuring consistent performance even in challenging environments. Enhanced signal stability and anti-interference capability help maintain accurate location tracking, offering better protection and control during operation. Optimized for faster satellite lock time, reducing delays and improving overall efficiency in real-time applications.

Holybro PMW3901 Optical Flow Sensor The Holybro PMW3901 Optical Flow Sensor is a precision navigation module designed to improve low-altitude positioning and flight stability in drones and robotic systems. By analyzing patterns on the ground surface, this optical flow sensor provides real-time movement data that enhances hovering accuracy, smooth trajectory control, and overall flight performance. Compact and lightweight, it integrates seamlessly with popular flight controllers, making it an essential tool for advanced UAV builds and autonomous navigation projects. Ideal for applications where GPS alone isn’t enough, the Holybro PMW3901 Optical Flow Sensor offers reliable visual motion tracking in indoor environments or GPS-denied areas. Whether you’re developing intelligent drones, automated robots, or custom positioning systems, this sensor delivers responsive feedback that boosts control precision, reduces drift, and enhances the responsiveness of your aerial or ground platform. Compatible with PX4 ( PX4 Guide ) & Ardupilot (Data format same as discontinued product CX-OF ). Features: High-precision optical flow sensor designed to improve low-altitude position holding and flight stability. Provides real-time ground motion data for smoother hovering and accurate movement tracking. Enhances performance in indoor or GPS-denied environments where satellite positioning is unreliable. Compact and lightweight design allows easy integration with drone flight controllers and robotics systems. Improves drift correction and responsiveness during slow and precise movements. Ideal for drones, autonomous robots, and advanced navigation applications.

HGLRC SPECTER 1202.5 11000KV Brushless Motor for Drones The HGLRC SPECTER 1202.5 11000KV is a high-performance brushless motor for drone applications, engineered to deliver exceptional speed, precision, and efficiency. With a powerful 11000KV rating, it ensures rapid throttle response and smooth flight control, making it ideal for FPV racing and freestyle drones using 3–5 inch propellers. Crafted from 7075 aviation-grade aluminum, this motor offers the perfect balance of strength and lightweight construction. It incorporates N52H magnetic steel to generate strong torque, while the 200°C copper wire winding and Kawasaki silicon steel sheets enhance thermal resistance and minimize energy loss for stable operation. The optimized tuning improves responsiveness, and the durable alloy steel output shaft ensures long-lasting performance. Designed for both performance and aesthetics, this brushless motor for drone stands out with its anodized dual-color rotor, making it a reliable and visually striking choice for drone enthusiasts. Features: New rotor look design with an anodized two-color process. 7075 aircraft aluminum, high-strength one-piece rotor. Customized N52H curved magnetic steel with strong magnetism and high torque Super high temperature resistant 200° copper wire winding, the motor works more steadily. Imported Kawasaki silicon steel sheets, low loss stator, minimize heat generation and increase efficiency. New and refined tune, maintain high torque at low speeds, linear power production when the throttle changes quickly, and precise and fast response when turning. Alloy Steel Outlet Shaft, excellent strength, reduces fuselage weight. 3-5inches Slot pole: 9N12P. ESC:> 10A

Sunny Sky A2212 980KV Brushless Motors Clockwise The Sunny Sky A2212 980KV Brushless Motor Clockwise is designed to offer a perfect combination of power, efficiency, and reliability for RC enthusiasts. With its precise 980KV rating, this motor delivers consistent thrust while maintaining optimal energy efficiency, making it ideal for both RC planes and multi-rotor drones. The clockwise (CW) rotation simplifies setup and ensures proper motor alignment in your configuration. Equipped with advanced cooling fins, it effectively dissipates heat, allowing for longer flight durations without performance drops. Built using high-quality materials, this motor ensures durability even under demanding conditions. Its user-friendly design and compatibility with standard mounting patterns make installation quick and hassle-free, making it a dependable upgrade for improving overall flight performance. Features: High Performance: The Sunny Sky A2212 980KV Brushless Motor - CW delivers exceptional power and performance to your RC aircraft. Reliable Construction: This engine is built with high-quality materials, ensuring durability and longevity even under heavy use. 980KV Rating: The motor's 980KV rating provides an optimal blend of thrust and efficiency, making it appropriate for a wide range of aircraft types. Clockwise (CW) Rotation: Designed for clockwise rotation, making it simple to incorporate into your RC setup. Enhanced Cooling: The motor has cooling fins that efficiently dissipate heat over extended flights. Easy Installation: The motor's user-friendly design makes installation simple and compatible with typical mounting patterns.

SmartElex RS-485 (SP3485) Transceiver Breakout Module The SmartElex RS-485 (SP3485) Transceiver Breakout Module is a compact and reliable solution for enabling RS485 module based communication in electronics and automation projects. Designed to simplify long-distance and noise-resistant data transfer, it helps overcome the limitations of standard serial communication in industrial and field environments. This module is ideal for students, hobbyists, engineers, educators, and startups working on projects that require stable, differential signal communication for robotics, industrial controls, or embedded systems. With support for rs485 transceiver based networking, this board makes it easy to add rs485 communication to microcontrollers and development boards like Arduino, Raspberry Pi, and ESP32. Its breakout form factor allows quick integration into prototypes, IoT setups, and automation systems where devices need to communicate over long cables and noisy electrical environments. Whether used for sensor networks, building management systems, or PLC interfacing, it offers dependable performance that helps users build scalable and robust communication links without unnecessary complexity. Features: Enables RS485 module communication for long-distance, noise-resistant data transfer Based on the SP3485 transceiver for stable rs485 transceiver performance Supports differential signal communication ideal for industrial and field environments Easy-to-use breakout format for quick prototyping and integration Works with popular controllers such as Arduino, Raspberry Pi, and ESP32 Helps implement multi-node networks over twisted pair cabling Compact design suitable for compact robotics, IoT, and automation projects Provides reliable rs485 communication without complex wiring or circuitry

BNO085 9-DOF Orientation IMU Sensor Fusion Nano Breakout Board The BNO085 9-DOF Orientation IMU Sensor Fusion Nano Breakout Board is a powerful and compact motion-sensing solution designed for precise orientation and movement tracking. This BNO085 IMU Sensor combines a 3-axis accelerometer, gyroscope, and magnetometer with an advanced onboard sensor fusion engine that processes raw data into accurate orientation outputs in real time. By handling sensor fusion internally, it reduces processing load on the host microcontroller while delivering reliable heading, rotation, and motion data. With support for I2C and SPI interfaces, the board integrates easily into robotics, VR/AR devices, drones, and IoT systems that demand responsive and accurate motion feedback. Features: Advanced Sensor Fusion: 9-axis integration provides exact data outputs such as acceleration, angular velocity, and magnetic field strength. Low Power use: The ARM Cortex M0+ processor has been optimized for efficient energy use in portable devices. Versatile Compatibility: Backward compatible with BNO080, providing increased dependability through SPI compatibility fixes. Comprehensive Data Reporting: Supports a wide range of calibrated, uncalibrated, and raw data reporting. Enhanced Detection and Classification: Includes stability detection, motion detection, activity classification, and unique AR/VR rotation vectors. Developer-Friendly Interface: I2C interface allows for easy integration with numerous device designs.

Radiolink T8S 2.4GHz 8CH RC Transmitter with R8EF RX The Radiolink T8S is a high-performance 2.4GHz 8-channel RC transmitter designed for drones, RC airplanes, helicopters, boats, and cars. Featuring advanced FHSS spread spectrum technology, it ensures stable signal transmission, low latency response, and long control range for precise maneuvering. Paired with the R8EF receiver, this radio controller system delivers reliable PWM output and seamless compatibility with various RC models. The built-in rechargeable battery offers convenient charging, eliminating the need for external AA batteries while ensuring extended operating time. With integrated Bluetooth connectivity, the T8S allows easy configuration and parameter adjustment through a mobile app, making it ideal for beginners and advanced RC hobbyists. Its lightweight, ergonomic design ensures comfortable handling during long flying or driving sessions. Features: 8 channels with low latency, dual rate, low voltage alarm, RSSI signal alert, and fail-safe 4 programmable mixing controls and wireless training function Up to 5 hours standby with unlimited model memory storage Easy app setup via iOS/Android or USB; supports firmware updates Ergonomic design with non-slip handle; adjustable throttle, comfortable for teens and adults R8EF receiver included; quick 1-second bind, lightweight 5 oz, compatible with multirotors, airplanes, robots, RC cars, tanks, and boats Channel bandwidth: 400 kHz, Channel pacing: 1200 kHz, Resolution: 4096 steps Operating voltage/current: T8S 4.2V/<150 mA, R8EF 3.7–4.2V/<30 mA; control distance >2000 m Spread spectrum: FHSS with 67 pseudo-random channels; adjacent channel rejection >36 dBm Supports receivers: R8EF, R8FM, R7FG, R8F, R6FG, R6F, R4FGM; simulator compatible.

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

SmartElex MPL3115A2 Altitude Pressure Sensor Breakout Board The SmartElex MPL3115A2 Altitude Pressure Sensor Breakout Board is a compact and reliable altitude sensor module designed for precise environmental measurements. Based on the MPL3115A2 MEMS sensor, it delivers altitude data with accuracy up to 30 cm and pressure readings in fractions of a Pascal using a high-resolution 24-bit ADC. The sensor communicates via I2C, making it simple to interface with popular microcontrollers and development boards. This Breakout Board includes all required passive components and exposes the pins on a 0.1″ header, allowing quick prototyping without extra circuitry. With added 12-bit temperature sensing, this Altitude Pressure Sensor is well-suited for drones, weather monitoring, navigation systems, and embedded IoT applications. Features: Supply voltage ranges from 1.95V to 3.6V and is internally regulated by the LDO. Digital interface supply voltage ranges from 1.6 to 3.6 V. Internally, fully compensated. Direct reading, compensated. Pressure: 20-bit measurement (in Pascals) Altitude: 20-bit measurement (metres) Temperature: 12-bit measurement (in degrees Celsius) Programmable events. Autonomous Data Acquisition Resolution down to 1 ft. (30 cm) 32 Sample FIFO Ability to log data for up to 12 days using the FIFO method Data acquisition rates range from one second to nine hours. I2C digital output interface operates at up to 400 kHz.

HGLRC Zeus VTX PRO 1.6W The HGLRC Zeus VTX PRO 1.6W is a high-performance FPV video transmitter designed to deliver strong, stable, and long-range video transmission for drone pilots. With a powerful 1.6W output, it ensures clear signal quality even in challenging environments, making it suitable for racing, freestyle, and extended-distance flights. It supports multiple adjustable power levels and frequency channels, offering great flexibility and compatibility across different FPV setups. Equipped with SmartAudio technology, the VTX allows real-time control of settings like power and channel directly through the flight controller for added convenience. Its efficient heat dissipation design ensures consistent performance during long flights, while the compact and lightweight build makes it easy to integrate into various drone configurations. Features: Delivers high 1.6W output power for reliable long-range video transmission Multiple adjustable power levels for flexible performance based on flying conditions Supports a wide range of frequency channels for better compatibility and reduced interference Integrated Smart Audio technology enables real-time control via the flight controller Optimized for FPV drones, making it ideal for racing, freestyle, and long-range flying Ensures stable and clear video output for an enhanced FPV experience Designed for low latency and consistent signal strength during flight Compact and efficient build for easy installation and improved heat management

HGLRC M80 PRO GPS Module for FPV Racing Drones The HGLRC M80 PRO is a reliable and efficient FPV drone GPS module built to deliver accurate positioning and enhanced flight control for FPV racing drones. Equipped with a QMC5883 compass chip, it ensures precise directional data and quick location identification during flight. The module features a high-sensitivity antenna that provides stronger signal reception, allowing faster satellite acquisition and stable connectivity even in challenging environments. With its convenient plug-and-play design, the HGLRC M80 PRO eliminates the need for soldering, making installation simple and hassle-free. This GPS module is an essential upgrade for pilots looking to improve navigation accuracy, enable return-to-home functionality, and enhance overall drone safety and performance. Features: GPS with high precision ensures accurate positioning. Fast satellite acquisition for a rapid start. For maximum dependability, GPS and GLONASS are supported. Compact and light-weight design. A compass is built-in to help with orientation.

Radiolink PRM-01 V2.0 1S-6S Battery Monitor Module The Radiolink PRM-01 V2.0 1S-6S Battery Monitor Module is a reliable voltage telemetry sensor designed for RC airplanes, drones, and UAV platforms. It supports 1S to 6S LiPo batteries, allowing pilots to monitor battery voltage in real time during flight operations. By transmitting accurate voltage data to compatible Radiolink transmitters, this battery monitor helps prevent sudden power loss and improves overall flight safety. The stable and precise voltage detection ensures better battery management, especially during long-range or high-performance flights. Its compact and lightweight construction makes it easy to integrate into various RC aircraft setups without adding extra bulk. The Radiolink PRM-01 Battery Monitor Module is an essential accessory for pilots who require dependable real-time voltage monitoring and enhanced power management. Features: Telemetering module voltage to avoid battery overworking. Easy to connect, only need to connect to the receiver then can telemetry model voltage to the transmitter’s display screen lightweight, e asy to use Compatible receiver: R12DS, R9DS (Old version receiver: R10DS, R10D, R9D ) Compatible transmitter: AT10II/AT10/AT9S Pro/AT9S/AT 9 Configurable sound/message/vibrat ion alarms signal potential problems at low model voltage.

SmartElex LSM303AGR Accelerometer/Magnetometer The SmartElex LSM303AGR Accelerometer & Magnetometer digital tilt and compass sensor is a compact, high-precision module designed to measure motion, orientation, and heading in embedded and IoT projects. It integrates a 3-axis accelerometer to sense tilt and gravity direction, along with a 3-axis magnetometer to detect magnetic fields and determine compass heading. By combining both sensor outputs, the module enables accurate orientation and navigation data for robotics, drones, wearables, and motion-aware systems. Based on the latest LSM303AGR sensor, it communicates via I2C, works seamlessly with both 3.3V and 5V microcontrollers, and comes fully assembled on a breakout PCB with onboard support circuitry—making it easy to use, solder-free, and ready for real-world applications. Features: LSM303AGR - Triple-axis accelerometer and magnetometer. I2C Communication Interface. Supply voltage - 3.3V 5V 50 mGauss magnetic dynamic range. 1.5 gauss magnetic sensitivity. Accelerometer ranges: 2/4/8/16g. Accelerometer sensitivity is as low as 1mg