SmartElex LoRa Module Ra- 02 SX1278 433Mhz Wireless Transmission Breakout Board The SmartElex LoRa Module Ra-02 SX1278 433MHz is a powerful wireless transmission breakout board built around SEMTECH’s advanced LoRa SX1278 transceiver chip. Utilizing LoRa spread spectrum technology, it delivers an impressive communication range of up to 10,000 meters while maintaining excellent resistance to interference. Designed for efficiency, the module offers ultra-low power consumption with air wake-up functionality, making it ideal for battery-powered IoT systems. The LoRa Ra-02 module combines high sensitivity (-148 dBm) and a robust +20 dBm output power, ensuring long-distance, reliable data transmission. Perfect for smart home networks, remote meter reading, and security monitoring systems, this module provides an exceptional balance of range, stability, and energy efficiency. Features: The technology of LoRaTM Spread Spectrum modulation Constant RF power output at a voltage change of +20dBm-100mW SPI half-duplex communication FSK, GFSK, MSK, GMSK, LoRaTM, and OOK modulation modes are supported. CAD mode, extremely fast AFC, and automatic RF signal recognition CRC-capable packet engine up to 256 bytes Dual-row stamp-hole patch package with a small footprint Protected housing Antenna Patch Connection Diagram: LoRa Transmitter: LoRa Receiver:

SmartElex RLS-06 Analog & Digital 6 IR Line Sensor Array with Potentiometer The SmartElex RLS-06 Analog & Digital 6 IR Line Sensor Array with Potentiometer is a highly reliable solution for building line-following robots and reflective surface detection systems. Featuring six pairs of IR LEDs and phototransistors, this IR sensor array delivers both analog and digital sensor outputs for flexible performance. Each sensor’s sensitivity can be fine-tuned using the onboard potentiometer, ensuring accurate readings under varying surface conditions. Built around the TCRT5000 reflectance sensor, it offers stable detection of dark and light lines or nearby objects. The module’s MOSFET-controlled LED design helps minimize power consumption, while its dual-stage resistors enable operation at both 5V and 3.3V. Compact, efficient, and precise — the SmartElex RLS-06 is ideal for robotics, automation, and DIY electronics applications. Schematic Diagram: Features: Potentiometer for adjusting the sensitivity of individual sensors. The module serves as a suitable carrier for six evenly spaced pairs of IR emitter and receiver. Uses six sensors for the finest resolution. Very useful in developing rapid line following and grid traversing robots. Comes with simple digital outputs that may be connected directly to microcontrollers. The array contains mounting holes of 3mm diameter for convenient installation.

SmartElex RLS-08 Line Sensor Array with 8-Channel Analog & Digital Line Tracking The SmartElex RLS-08 Line Sensor Array is designed for building accurate and efficient line follower robots. It features 8 IR LED and phototransistor pairs that detect lines and edges with precision. Each sensor provides both analog and digital outputs, along with adjustable sensitivity via potentiometers, giving you better control for various lighting and surface conditions. This line tracking sensor uses high-quality TCRT5000 reflectance sensors, making it suitable not only for line-following applications but also as a general-purpose proximity or reflectance sensor. The LEDs can be turned off using a MOSFET switch to save power when not in use. Compact, reliable, and easy to interface, it’s perfect for students, hobbyists, and robotic projects. Features: Equipped with 8 IR LED and phototransistor pairs for precise line detection. Supports both analog and digital output for flexible operation. Adjustable sensitivity for each sensor using a potentiometer. Evenly spaced sensors at 15mm intervals for accurate line tracking. Uses efficient TCRT5000 sensors for high reliability and performance. Includes power-saving LED control through a MOSFET switch. Easy to mount and directly connectable to most microcontrollers.

SmartElex TLV493D Triple-Axis Magnetometer Sensor with I2C Interface The SmartElex TLV493D Triple-Axis Magnetometer Sensor is a compact and precise 3D magnetic sensor designed to measure magnetic fields along the X, Y, and Z axes. This makes it ideal for detecting magnets in three dimensions, enabling innovative applications like joystick controls, object detection, or motion-based triggers. With I2C communication, the sensor offers reliable digital output and 12-bit data resolution per axis, ensuring smooth and accurate readings. Whether you’re building a motion detection sensor, position tracker, or a smart IoT device, the TLV493D delivers consistent performance with low power consumption and a user-friendly interface for makers and engineers alike. Features: Measures magnetic fields in three dimensions (X, Y, and Z axes). Supports I2C interface with speeds up to 1 Mbit/sec for easy communication. Provides 12-bit resolution for each axis, ensuring high accuracy. Detects magnetic fields up to +130mT for detailed 3D sensing. Excellent X/Y matching for reliable angle and position detection. Operates on 3.3V or 5V logic levels for flexible compatibility. Compact and lightweight design, ideal for embedded applications.

Smooth Nose Piler NP-99 Smooth Nose Piler NP-99 are the perfect tool for gripping and manipulating wire and other small objects. These pliers feature a long nose design that makes them ideal for reaching into tight spaces. Made from high-quality materials, these pliers are built to last. Generally used in electronics work and DIY Project. Nose Pliers are a must-have for hobbyists or electronic engineers. Applications: Electronics work Hobbyists DIY Project Also check the Nose Plier NP-01 5" Inch from Iotcart. The pliers are described as having an improved handle for extra comfort and grip, featuring a wire cutter. They are commonly used in electronics wire work and DIY projects. The Nose Pliers are highlighted as lightweight, handy, and of good quality.

SN04-N NPN NO Distance Proximity Sensor Switch Module The SN04-N NPN Distance proximity sensor switch module is a 5mm distance detector that will detect the presence of a metallic object within 4mm of the surface of the sensor. The distance that the proximity sensor switch detects may vary with respect to the size and material of the object. This SN04-N NPN distance detector features an LED indicator and is manufactured with materials that antivibration, dust, water, and oil prevention. Connections: Brown wire: 5 ~ 30 VDC (+Ve). Blue wire: 0 V (GND). Black wire: signal.

SN74LS76N IC Dual J-K Flip-Flop with Preset and Clear The SN74LS76N IC is a dual J-K flip-flop with preset and clear options. It has inputs for J, K, Clock Pulse, Direct Set, and Direct Clear. When the clock signal goes HIGH, the inputs are activated, and data is accepted. The IC transfers data to the outputs when the clock goes from HIGH to LOW, as long as the setup time is met. This makes it useful for storing data and controlling states in digital circuits.

SN74LS90N IC Decade Counter 4-BIT 14DIP The SN74LS90N is a 4-bit counter IC with a 14-pin setup. It has built-in flip-flops and circuits that allow it to count in different ways, like dividing by two or by five. This makes it useful for counting applications where you need different cycle lengths, such as dividing by ten for BCD (Binary-Coded Decimal) counting. It also has reset and set-to-nine options for more control. The SN74LS90N is a good choice for projects that need reliable counting, timing, or frequency division.

Solar Bullet train Educational DIY Solar Kit This DIY kit is perfect for families looking to teach their children about clean energy while having fun together. The Solar Bullet Train kit requires no batteries, making it easy to assemble and operate safely. It's also an eco-friendly and educational toy, making it ideal for school projects. With this kit, children can learn about the benefits of using free, renewable energy while improving their manual dexterity and problem-solving skills. As they assemble the parts and create their own solar-powered toy train, they'll discover how the sun's energy can be harnessed to drive small motors, reducing carbon dioxide emissions and protecting the environment. The Solar Bullet Train kit is a great way to enhance children's understanding of science, as well as their mental and practical abilities. By using their hands and brains to construct the train, they'll gain confidence in their ability to create and innovate with clean energy. check out : 3 in 1 Educational DIY Solar Robot Kit

Solar Roller Coaster The Solar Roller-Coaster Energy Kit is an educational solar toy that runs on solar energy or battery power. This plastic kit features a solar concept house that showcases the principles and operation of solar energy. By playing with this toy, children can develop their environmental protection consciousness and inspire their exploration interests in green architecture. The Solar Roller-Coaster Energy Kit is an innovative DIY toy that lets children understand the power and charm of solar energy. The solar cells in the kit must be in the sun to generate power, which enhances children's understanding of energy-saving and environmental protection awareness. This kit is a perfect communicational bridge for you and your child to learn and play together while cultivating their intellectual and practical abilities.