SC8UU Linear Bearing (8 mm) The 8mm SC8UU linear bearing unit is equipped with an aluminium-based housing that features four mounting holes. The linear bearing platform is generally used for super-fast movement robots or CNC or 3D printers. The SC8UU 8mm linear bearing unit is a great system to replace damaged ball bearings to improve efficiency and save energy. In order to get started with the SC8UU linear bearing unit, you need two 8mm supports and a precision-ground 8mm rod. The 8mm SC8UU linear bearing is economical and easy to maintain and replace. Features: Inner Diameter: 8mm Length: 58mm Material: Aluminum housing with integrated ball bearings Mounting: Equipped with mounting holes for easy installation Smooth Motion: Provides smooth linear motion Low Friction: Reduces friction and enhances durability Noise Reduction: Operates with low noise High Rigidity: Ensures stability and precision Long Life: Designed for long-lasting performance Economical: Cost-effective and easy to maintain Applications: Construction machinery CNC 3D Printers Automotive components Home appliances Industrial High-speed electric motors, pumps, and machinery.

SC8UU Linear Bearing (8 mm) The 8mm SC8UU linear bearing unit is equipped with an aluminium based housing that features four mounting holes. The linear bearing platform is generally used for super-fast movement robot or CNC or 3D printers. The SC8UU linear bearing unit is a great system to replace damaged ball bearings to improve efficiency and save energy. In order to get started with the SC8UU linear bearing unit, you need two 8mm supports and a precision-ground 8mm rod. Applications: Construction machinery CNC 3D Printers Automotive components Home appliances Industrial High-speed electric motors, pumps, and machinery.

SCD40 I2C CO? Temperature & Humidity Sensor Breakout Module - 7Semi The 7Semi SCD40 is a compact sensor breakout based on Sensirion’s advanced photoacoustic NDIR technology. It accurately measures CO? concentration from 400 ppm to 40,000 ppm, along with ambient temperature and humidity. Ideal for air quality monitoring, HVAC systems, and IoT applications. It communicates over the I²C interface and is compatible with most microcontrollers. With low power consumption, long-term stability, and minimal recalibration requirements, the SCD40 is well-suited for portable and embedded systems requiring reliable environmental data. Features Photoacoustic CO? Sensing: Uses advanced photoacoustic infrared technology for high-precision CO? measurement. 3-in-1 Environmental Monitoring: Simultaneously tracks CO? levels, temperature, and humidity for a complete atmospheric overview. Wide CO? Detection Range: Measures concentrations from 400 ppm to 40,000 ppm, with optimal accuracy in the 400–2000 ppm range. High Accuracy: Offers a precision of ±(40 ppm + 5%), making it ideal for critical monitoring applications. Low Power Consumption: Consumes only 17 mA at 5s intervals and 0.5 mA at 5-minute intervals, perfect for battery-powered projects. Plug-and-Play Ready: Factory-calibrated and ready for immediate use—no manual calibration required. I2C Interface: Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other popular microcontrollers via I2C. Compact Design: Small, robust module fits easily into embedded systems and space-limited enclosures. SCD40 carbon dioxide sensor Breakout I2C Arduino Connections

SCD41 High Accuracy CO2 Temperature and Humidity Sensor Breakout I2C - 7Semi The 7Semi SCD41 is a compact, high-accuracy sensor module designed for real-time CO?, temperature, and humidity monitoring. Powered by Sensirion’s advanced photoacoustic sensing technology, it delivers precise air quality measurements across a wide range of conditions. Its built-in I2C interface ensures easy integration with Arduino, Raspberry Pi, ESP32, and other microcontrollers. Ideal for indoor air quality systems, HVAC, smart agriculture, and IoT applications, the SCD41 offers fully calibrated outputs and compensates CO? data with onboard temperature and humidity sensing. With low power consumption and a small footprint, this module is perfect for both fixed installations and portable, battery-powered devices.

SCS10UU 10mm Slide Unit Block Bearing The SCS10UU universal ball bearings is great for you to replace the damaged ball bearings in your devices to improve the efficiency and save energy. This slide unit block has a closed type aluminum alloy housing, a housing with the flat mounting face and four tapped bolt holes. The SCS10UU slide unit is designed for reduced noise, low coefficient of friction ball bearings widely used in home appliances, industrial, low noise and high speed electric motors, construction machinery, automotive components, pumpsand machinery. It provides Smooth moving, low friction, high rigidity and long life.

SCS12UU 12mm Slide Unit Block Bearing The SCS12UU universal ball bearings is great for you to replace the damaged ball bearings in your devices to improve the efficiency and save energy. This slide unit block has a closed type aluminium alloy housing, housing with the flat mounting face and four tapped bolt holes. The SCS12UU slide unit is designed for reduced noise, low coefficient of friction ball bearings widely used in home appliances, industrial, low noise and high-speed electric motors, construction machinery, automotive components, pumps and machinery. It provides Smooth moving, low friction, high rigidity and long life. Model SCS12UU Shaft ID 12mm Dimensions 3.6 x 4.2 x 2.3 cm Weight 100 grams

10 pairs of precision anti static tweezer set, including 1 pcs of curved tips tweezers and 5 pcs of pointy tips tweezers for different purposes.You can use these ESD tweezers for craft, electronics, jewelry-making, laboratory work, etc NON-MAGNETIC (can be use them on computers or electronic items) ----The body is made of high quality stainless steel, acid resistant and corrosion resistant. ?ANTI-STATIC NON-MAGNETIC TIPS?Needle fine electronic tweezers tips with non-magnetic coating and high hardness for precise operation like circuit board welding or watch repairing. ?ESD SAFE HANDLES?These electronics tweezers with ESD (Surface Electrostatic Discharge) finish to protect the components and handles from the damaging effects of static. lso ideal for rhinestones, studs, gems, card making scrapbooks, sewing, stitching etc

SD Card Module The module (MicroSD Card Adapter) is a Micro SD card reader module and the SPI interface via the file system driver, and microcontroller system to complete the Micro SD card read and write files. Users can directly use the Arduino IDE that comes with an SD card to complete the library card initialization and read-write. 3.3V voltage regulator circuit: LDO regulator output is 3.3V level converter chip, Micro SD card supply. Level conversion circuit: Micro SD card into the direction of the signal is converted to 3.3V, MicroSD card interfaces to control the direction of the MISO signal is also converted into 3.3V, and a general AVR microcontroller system can read the signal , . Micro SD card connector: a self: bomb deck, easy card insertion. Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination. check out : 8GB Class 6 SD Card Applications: Data loggers Audio Video storage Visualization Expandable memory

SE955 Mushroom Emergency Stop Push Button Switch Mushroom Push button switch also called Emergency stop switch or Panic switch is a panel mount emergency switch. Push to stop and start. It can be used to control the electromagnetic starter, contactor, relay, and other automatic control electric circuits. Applications: General Industrial Equipment Home Appliances

XIAO ESP32S3 & Wio-SX1262 Kit for Meshtastic & LoRa The XIAO ESP32S3 & Wio-SX1262 Kit is a compact and versatile development board designed for building low-power, long-range wireless networks. Ideal for applications like Meshtastic, LoRaWAN, and sensor-based projects, it combines the powerful ESP32-S3 microcontroller with the Semtech SX1262 LoRa module. This combination enables seamless communication over distances up to 2.5 km using LoRa technology, along with Wi-Fi and Bluetooth connectivity for added flexibility. Measuring just 21 x 18 mm, the kit is perfect for space-constrained environments such as wearables or remote sensor nodes. It comes pre-flashed with Meshtastic firmware, allowing for immediate use in mesh networking applications. Additionally, the board supports Arduino development, making it accessible for both beginners and experienced developers. With its low power consumption and robust wireless capabilities, this kit is an excellent choice for creating reliable communication networks in remote or challenging environments. Features Compatible with XIAO Expansion Board for adding screens and sensors, and add Grove sensors via the Grove expansion Board. Support connecting an external high-performance LoRa antenna using an IPEX to SMA connector: FPC antenna included in package 2 dBi external antenna and SMA to I-PEX antenna cable 3 dBi fiberglass antenna and RPSMA-K to U.FL RF cable Hardware Overview Application Meshtastic Node & Router Acts as an ultra-small node that can be used as a portable device or a fixed router to expand the Meshtastic network. LoRa/LoRaWAN Sensor A mini LoRaWAN sensor, perfect for beginners exploring LoRa/LoRaWAN technology. Can be used with the XIAO extension board and Grove sensors for quick prototyping. LoRaWAN Single Channel Gateway A cost-effective single-channel LoRaWAN gateway to connect multiple LoRaWAN sensors and send data to network servers like The Things Network and Chirpstack.