Black Metal 4WD Chassis - Small (190mmx100mm) The Black Robot Metal Chassis is the perfect solution for robotics enthusiasts and DIY hobbyists. This 4WD chassis, equipped with four motors, offers versatile construction for various DIY projects. The chassis is made with durable, powder-coated metal, providing scratch and corrosion resistance. Its compact dimensions of 190 x 100 x 40 mm make it ideal for small DIY robotics projects, with multiple mounting holes for easy customization. The chassis features an easy motor mounting system, allowing users to mount motors effortlessly. The heavy metal construction ensures durability, and the chassis is designed with technology for a unique selling point, providing an engaging and educational DIY experience. Suitable for a wide age range, it encourages skill development in robotics. This Black Robot Metal Chassis is perfect for those looking to dive into the world of DIY robotics.

Black Metal Chassis This is the Black Metal Chassis, which is commonly used as the mechanical frame structure of mobile robots. It is the robot's backbone, where we arrange and connect everything, such as motors , sensors , and wheels . It serves as the foundation for our robot, allowing you to position your components as needed. Applications: Robot cars

Black Oil-resistant Rubber O Shaped Seal Washer (63x3 mm) Black rubber oil sealing O rings, high quality material, oil resistance, abrasion resistance and water proof. O-rings are donut-shaped rings used in industry to seal off or prevent leakage of fluid or gas in an application. It has good resistance to oil, water, high temperature and high pressure resistance. Suitable for both static and dynamic sealing. Use for quick-disconnect fittings, valves, pumps, and other fluid handling products. This nitrile rubber metric O rings works great on electronic equipment, pipes, carburetor repair, tap faucets, pumps, DIY home repair, sensors, trucks, cars, boat, engines, spray guns, pressure washers, pneumatic connection, etc. Provide secure seals for any oil, gas, air, and water seal application. Applications: Can be used in 3D Printers Automotive components Machinery components Bathroom facilities Household electrical appliances Electronic instruments

Black R13-507 12mm No Lock Push Button Momentary Switch 3A, 250V This is a Black R13-507 12mm No Lock Push Button Momentary Switch 3A 250V. It is an SPST Switch and the lock Self Reset OFF/ON push button switch is suitable for a 12mm diameter mounting hole. This push button switch is used widely for circuit control in electromagnetic starters, contractors, and other electric circuits.

Blue Led 5mm(Pack of 10) The Blue LED 5mm (Pack of 10) is a high-quality semiconductor light source designed to deliver bright and vibrant blue illumination. These LEDs are perfect for use as indicator lamps in a wide range of devices and are also suitable for decorative and general lighting applications. Featuring low power consumption, long service life, and consistent brightness, this series is ideal for projects that require reliable, high-intensity lighting. Whether for DIY electronics, hobby projects, or professional applications, these LEDs offer excellent performance and durability. Features: 5mm Round Water Clear LED Lamp. For LED lighting, signaling, and illumination Viewing angle: 40° UV-resistant epoxy With the lowest power usage, long lifespan, and extremely bright

Bluetooth 2.0 USB Dongle For Laptop and PC Iotcart now offers the Bluetooth 2.0 USB Dongle Adapter! This little but powerful adapter allows you to add Bluetooth to any PC or laptop that does not already have it. Simply put it into a USB port, and it will operate with Windows 98, ME, 2000, XP, and Vista. It can transfer data at speeds of up to 3Mbps and has a range of up to 20 meters, which allows you to quickly connect from a distance. This dongle supports Bluetooth speech data in many languages, which makes it suitable for a wide range of devices, including computers, PDAs, digital cameras, printers, and mobile phones. This dongle is ideal for connecting your computer to wireless devices, transferring data, and boosting Bluetooth connectivity. It improves your current system's ability to connect with Bluetooth devices, which means more stable and versatile connections. Whether you're syncing your laptop with your phone, transferring photos and music, or enhancing voice calls, the Bluetooth 2.0 USB Dongle Adapter is a must-have. Experience easy wireless connections with this tiny adapter, now available at Iotcart. Order yours today and enjoy the freedom of Bluetooth!

Bluetooth 5.0 Dual Mode BLE (Feasycom) The Bluetooth 5.0 Dual Mode BLE (Feasycom) is a high-performance, highly integrated Bluetooth 5.0 BR/EDR/BLE dual-mode module. It operates on the 2400MHz to 2480Mhz ISM frequency band and has a low power consumption of 5mA working current. It is also low cost with excellent performance. The module has a built-in PCB antenna and supports an external antenna. It is the best alternative for the Bluetooth HC05 chip as it has been obsoleted. The Bluetooth module supports communicating with the FeasyBlue app and many other Bluetooth apps. The Bluetooth 5.0 Dual Mode BLE (Feasycom) has a number of features that make it ideal for a variety of applications, including: Features: High performance: The module is based on the latest Bluetooth 5.0 standard, which provides significant improvements in range, speed, and power efficiency over previous versions of Bluetooth. Low power consumption: The module has a low power consumption of 5mA working current, which makes it ideal for battery-powered devices. Low cost: The module is low cost, making it an affordable option for a variety of applications. Built-in PCB antenna: The module has a built-in PCB antenna, which makes it easy to use and requires no additional hardware. Supports external antenna: The module supports external antenna, which can be used to improve the range and performance of the module. Communicates with the FeasyBlue app: The module communicates with the FeasyBlue app, which makes it easy to configure and use the module. Supports many other Bluetooth apps: The module supports many other Bluetooth apps, which makes it compatible with a wide range of devices. The Bluetooth 5.0 Dual Mode BLE (Feasycom) is a versatile and powerful module that is ideal for a variety of applications. It is a high-performance, low-power, and low-cost module that is easy to use and supports a wide range of features. Applications: Printer Health Thermometer Heart Rate Blood Pressure Proximity Also check the Mini elm327 Bluetooth OBD2 , it is designed to display real-time engine data on a mobile phone, including RPM, coolant temperature, boost pressure, throttle position, fuel pressure, and mileage.

BME280 Humidity & Temperature Sensor Probe -7Semi The 7Semi BME280 Humidity & Temperature Sensor Probe offers precise and reliable environmental monitoring, making it ideal for a wide range of industrial and DIY projects. At its core is the Bosch BME280 digital sensor, renowned for its accuracy and stability. Housed in a robust plastic and metal enclosure and equipped with a 1-meter cable, this sensor is designed for flexible and secure installations. It provides calibrated I2C output for real-time data on temperature, humidity, and barometric pressure, ensuring minimal signal noise. Whether you're building a weather station, managing indoor air quality, or developing an IoT or HVAC system, this sensor delivers consistent results. Its built-in pull-up resistors and filter capacitors enable easy integration with Arduino and other microcontrollers, making it a plug-and-play solution for embedded systems. Features: Triple Sensing Capability: Measures humidity (0-100% RH), temperature (-40°C to 85°C), and barometric pressure (300-1100 hPa) with excellent accuracy. Bosch BME280 Sensor Core: An industry standard sensor that provides high precision and stability over a wide range of temperatures. Integrated I2C Interface: Facilitates communication with microcontrollers such as Arduino, Raspberry Pi, ESP32, and others. Enhanced Accuracy and Low Noise: Calibrated digital output decreases environmental noise, resulting in clear, exact data. Robust Build Quality: Made with a combination of plastic and metal probe materials for increased durability in a variety of conditions. Pre-soldered with Wiring: Includes a 1-metre cable with colour-coded wiring (red: VCC, black: GND, yellow: SDA, green: SCL) for easy installation. Low Power Consumption: Operates efficiently at 3.3V, making it excellent for battery-powered or energy-saving projects.

BME 280 Temperature Sensor Module This BME280 Sensor Breakout is the easy way to measure barometric pressure, humidity, and temperature readings all without taking up too much space. Basically, anything you need to know about atmospheric conditions you can find out from this tiny breakout. The BME280 Breakout has been designed to be used in indoor/outdoor navigation, weather forecasting, home automation, and even personal health and wellness monitoring. The on-board BME280 sensor measures atmospheric pressure from 30kPa to 110kPa as well as relative humidity and temperature. This bme280 sensor uses an environmental sensor manufactured by Bosch with temperature, a barometric pressure sensor that is the next generation upgrade to the popular BMP085/BMP180/BMP183 Sensor. This bme 280 sensor is great for all sorts of weather sensing and can even be used in I2C interface. This precision sensor from Bosch is the best low-cost, precision sensing solution for measuring barometric pressure with ±1 hPa absolute accuracy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude and the pressure measurements are so good, you can also use it as an altimeter with ±1 meter accuracy. The BME280 is the next-generation of sensors from Bosch, and is the upgrade to the BMP085/BMP180/BMP183 - with a low altitude noise of 0.25m and the same fast conversion time. It has the same specifications but can use either I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI. Features: Multi-functional Sensor: Measures temperature, humidity, and barometric pressure. High Accuracy: Temperature accuracy of ±1°C, humidity accuracy of ±3%RH, and pressure accuracy of ±1 hPa. Wide Measurement Range: Temperature range from -40°C to +85°C, humidity range from 0% to 100% RH, and pressure range from 300 hPa to 1100 hPa. Compact Size: Small 2.5 x 2.5 x 0.93 mm package. Low Power Consumption: Designed for low power consumption, making it ideal for battery-operated devices. Communication Protocols: Supports both I2C and SPI communication protocols for easy integration with microcontrollers. Altitude Calculation: Can indirectly calculate altitude using atmospheric pressure. Applications: Context awareness, e.g. skin detection, room change detection Fitness monitoring/well-being Warning regarding dryness or high temperatures Measurement of volume and airflow Home automation control Control heating, ventilation, and air conditioning (HVAC) Internet of things GPS enhancement (e.g. time-to-first-fix improvement,dead reckoning, slope detection) Indoor navigation (change of floor detection, elevator detection) Outdoor navigation, leisure and Weather forecast Sports applications Also check the MLX90614ESF Infrared IR Temperature Sensor Module offered by Iotcart. It is an Infra-Red thermometer designed for non-contact temperature measurements. The sensor features an integrated IR-sensitive thermopile detector chip and a signal conditioning ASIC in the same TO-39 can.

BME680 Digital Humidity Temperature Pressure High Altitude Sensor Module Discover an unparalleled sensor module, the BME680 Digital Humidity Temperature Pressure High Altitude Sensor Module, for precise environmental measurements. This module ensures accurate readings of humidity, temperature, and pressure, making it an ideal choice across various applications. Whether you're an enthusiast or professional, the BME680 module offers unmatched versatility. It seamlessly integrates with popular development platforms like Arduino and Raspberry Pi , simplifying the incorporation into IoT projects, home automation systems, and smart devices. Leveraging its advanced capabilities, this sensor module empowers you to monitor and analyze air quality, making it perfect for both indoor and outdoor environments. Stay updated on weather conditions, establish data logging systems, and enhance industry applications with the precise measurements provided by the BME680. Witness accuracy, efficiency, and innovation with the BME680 module. Features: BME680 Digital Humidity Temperature Pressure High Altitude Sensor Module Monitors humidity, temperature, and pressure for accurate data. Easily connects to popular development platforms like Arduino and Raspberry Pi. Keeps track of indoor and outdoor air quality. Suitable for weather monitoring and industry-specific needs. Enables creation of comprehensive data logging systems to track environmental changes. Designed for efficiency and reliability in measurement tasks. Applications: Personal air quality tracker Air quality mapping Air quality inside cars & public transport Enhanced context awareness Accurate step & calorie tracker Quick GPS fix & improved navigation Indicator of too high/low humidity Air quality & well-being indicator Sleep/recovery tracker Weather trend Stair counter Floor level detection