16x2 Green LCD with Soldered I2C/IIC Interface

3D Printer 128x64 Smart LCD Display Controller for RAMPS 1.4 This smart LCD kit is a 3D printer 128×64 Smart LCD controller for ramps 1.4 and contains the following components: SD-Card reader Rotary encoder 128×64 LCD display You can easily connect it to your Ramps board using the "smart adapter". After connecting this panel to your Ramps you don't need your pc anymore, the Smart Controller supplies power for your SD card. Furthermore, all actions like calibration, axes movements can be done by just using the rotary encoder on the Smart Controller. Print your 3D designs without PC, just with a g-code design stored on the SD card. This panel connects to your RAMPS 1.4 All further operations, such as calibration, the axis movement can be done with the rotary encoder embedded. The SD card slot is integrated at the back so that the files to be printed can be read here. It is used to use since all you need to do is plug and play on the RAMPS. Check out : 1.75mm Luminous White ABS Filament -1Kg

3D Printer - LCD 2004 Graphic Smart Display The intelligent controller includes an sd card reader, rotary encoders and a 20-character — 4 line lcd display. You can easily connect it to your ramps 1. 4 Board using "smart adapter" included. This panel connect your ramps 1. 4, You do not need your computer, your sd card intelligent controller power supply. All further operations, such as calibration, the axis movement can be done only with a rotary encoder intelligent controller. 3D design print without a computer, just use the g code design stored on the sd card.

7Semi ENS160 Air Quality Sensor I2C Probe (ES-12183) The 7Semi ENS160 Air Quality Sensor I2C Probe (ES-12183) is a compact and ready-to-use air quality sensing module built to measure indoor environmental conditions. It uses the advanced ENS160 multi-gas sensor to detect volatile organic compounds (VOCs) and other indoor pollutants, helping you understand the quality of the air around you. The probe provides clean, processed digital outputs that make monitoring easy. This sensor communicates over a standard I2C interface and works at 3.3 V, making it simple to connect to popular controllers like Arduino, ESP32, or Raspberry Pi. With features like long-term stability, low power use, and reliable performance across a range of temperatures and humidity levels, it’s a great choice for smart home systems, air purifiers, HVAC monitoring, and other environmental projects. Features: Advanced ENS160 multi-gas sensor for indoor air quality monitoring Detects VOCs and air quality levels for healthier environments I2C digital interface for simple integration with microcontrollers Factory-calibrated sensor for reliable and consistent readings Low power consumption, suitable for continuous monitoring Compatible with Arduino, ESP32, Raspberry Pi, and IoT systems 7Semi I2C Wire Color Code

SmartElex 3.2-inch TFT LCD Resistive Touch Display 240×320 SmartElex 3.2-inch TFT LCD Resistive Touch Display (240×320) is designed to bring both visual output and touch interaction to embedded projects. This 3.2-inch TFT display offers a spacious interface for displaying menus, sensor data, graphics, and control screens, making it a practical choice for students, hobbyists, engineers, educators, and startups. Its resistive touch panel allows users to interact directly with the screen, removing the need for external buttons and providing an intuitive way to navigate project functions or settings. Compatible with Arduino, Raspberry Pi, ESP32, and various microcontroller platforms, this 240×320 TFT LCD display is well suited for IoT dashboards, robotics control stations, automation systems, handheld devices, and interactive prototypes. The combination of touch input and a bright, detailed display helps simplify project design while making interfaces feel more professional. With straightforward connectivity and reliable performance, it supports learning, experimentation, and product development where touch-enabled control and visual feedback are essential. Features: 3.2-inch 240×320 TFT LCD with resistive touch input Provides both display output and interactive touch control Ideal for creating on-screen menus, dashboards, and UI panels Compatible with Arduino, Raspberry Pi, ESP32, and similar boards SPI / parallel interface options for flexible connectivity Suitable for IoT panels, robotics interfaces, automation, and DIY devices

1-Inch LED Digital Display DIY Clock Kit (Blue) – Light-Control MCU Project Set with Casing This DIY LED Digital Clock Kit is an excellent hands-on project for anyone interested in learning how microcontroller-based circuits work. Built around a 51-series MCU, it features a bright 1-inch LED tube display and an automatic light-sensing function that adjusts brightness according to the environment. The kit arrives as individual components, giving learners the opportunity to assemble, solder, and understand every part of the circuit. Created with STEM and STEAM education in mind, this kit helps improve logical thinking, practical assembly skills, and fundamental electronics knowledge. Whether used in a school lab, a maker space, or a home learning setup, it offers a fun and meaningful way to encourage creativity, experimentation, and scientific curiosity. The included housing completes the project with a clean, finished look once assembled. Features: DIY digital clock project featuring a 1-inch LED display for clear time reading. Light-sensing feature ensures suitable brightness in different lighting conditions. Comes as a complete unassembled kit to promote hands-on learning. Strengthens STEM/STEAM concepts such as circuitry, design, and problem-solving. User-friendly build suitable for classrooms, hobbyists, and beginners. Includes a protective enclosure for a neat and durable finish. Includes study instructions to guide the assembly process.

7Semi INA219 Triple-Channel DC Current Monitoring Sensor Breakout The 7Semi INA219 3-Channel DC Current Sensor Breakout is designed for makers, engineers, and system developers who need high-accuracy, real-time monitoring of voltage, current, and power across multiple DC loads. With three independent measurement channels, this board lets you track power usage holistically, ideal for multi-device systems, battery-powered projects, or performance-critical circuits. Its precise readings up to 26V and 3.2A make it a dependable choice for applications where stable power management matters. Equipped with an I2C interface, programmable addressing, and dual Qwiic I2C ports, this breakout simplifies integration into embedded systems, IoT setups, and advanced monitoring projects. Whether you’re optimizing battery health, managing motor loads, or evaluating system efficiency, this sensor board ensures reliable performance and accurate insights with embedded power-monitoring intelligence and flexible configuration options. Features: Provides three independent DC current-measurement channels, allowing simultaneous monitoring of multiple loads for comprehensive system analysis. Measures up to 3.2A current and 0–26V DC voltage with high accuracy, enabling precise power diagnostics in embedded systems. Uses a reliable I2C communication interface with 16 programmable addresses, supporting multi-sensor setups without conflicts. Offers dual Qwiic I2C ports for quick, solder-free connections and easy integration into existing development environments. Supports detailed monitoring of voltage, current, and calculated power, giving users full visibility into energy usage. Designed for battery management, motor control, IoT devices, and power-supply diagnostics requiring accurate real-time data.

7Semi SHT41 Temperature & Humidity Sensor Tiny Breakout with I2C Qwiic The 7Semi SHT41 Temperature & Humidity Sensor Tiny Breakout is crafted for engineers, IoT developers, and embedded system designers who need precise environmental monitoring in extremely compact spaces. Powered by the fourth-generation SHT41 sensor, it delivers exceptional accuracy with ±1.8% RH and ±0.2°C precision, making it ideal for sensitive applications like HVAC regulation, smart home devices, and industrial IoT nodes. Its stable readings and fast response time ensure reliable environmental sensing even in dynamic conditions. Designed for low-power performance, this breakout operates on a 3.3V supply and consumes less than 0.15 mA in low-power mode, making it a perfect match for wireless systems and battery-powered deployments. With built-in I2C support, multiple address options, and a compact 1.27 mm pitch connector, integration is quick and hassle-free. Whether you're building connected sensors, indoor air-quality systems, or compact IoT hardware, this module provides dependable data for real-time decision-making and energy-efficient operations. Features: Designed with the advanced SHT41 sensor, offering high-precision measurements with ±1.8% RH humidity accuracy and ±0.2°C temperature accuracy. Operates with ultra-low power consumption, drawing less than 0.15mA in low-power mode to extend battery life in portable systems. Supports I2C communication with multiple configurable addresses for flexible integration in multi-sensor setups. Compact and lightweight form factor with a 1.27 mm pitch 4-pin connector, making it suitable for tight-space and embedded applications. Built for industrial-grade reliability, ensuring consistent performance across typical indoor and light industrial environments. Simple plug-and-play workflow enables quick installation for IoT platforms, smart buildings, automation systems, and environmental monitoring.

7Semi PCA9306 I2C Bidirectional Voltage Level Translator Breakout Board The 7Semi PCA9306 I2C Bidirectional Voltage Level Translator Breakout Board is a compact and efficient PCA9306 voltage level translator designed to safely interface I2C and SMBus devices operating at different logic levels. Supporting voltage translation from 1.2V to 5.0V, this board enables seamless communication between low-voltage sensors and higher-voltage microcontrollers without manual direction control. As a dependable I2C logic level converter, it delivers minimal signal delay and stable bidirectional data flow, making it ideal for robotics, industrial controllers, embedded systems, and DIY electronics projects requiring precise mixed-voltage I2C communication. Allowable Voltage Level Translation The breakout can transfer voltages ranging from 3.3V to 5V. VREF1 (Low Side) VREF2 (High Side) 1.2V 1.8V, 2.5V, 3.3V, 5V 1.8V 2.5V, 3.3V, 5V 2.5V 3.3V, 5V 3.3V 5V Features: Wide Voltage Range Support: Operates between 1.2V and 5.0V, accommodating a wide range of components. Dual Bidirectional Channels: Translates both the SDA and SCL lines for complete I2C compatibility. I2C and SMBus Protocol Support: Fully compatible with regular and fast-mode I2C devices, as well as SMBus peripherals. No Direction Pins Required: Signal direction is automatically detected for easier design. Low propagation delay: A delay of less than 1.5ns maintains data integrity at high speeds. 5V Tolerant I/O Ports: Securely links 5V signals to lower voltage devices. Compact and simple to use: ideal for embedded applications, prototyping, and compact systems.

SmartElex STTS22H Temperature Sensor Module The SmartElex STTS22H Temperature Sensor Module is a compact and reliable temperature sensor module designed for accurate digital temperature measurement. It helps users monitor temperature precisely in electronic systems without complex circuit design, making it ideal for students, makers, educators, and engineers working on sensing and monitoring projects. With its breakout board design, this digital temperature sensor is easy to handle and well suited for learning, testing, and early-stage product development. This sensor module is commonly used in IoT devices, robotics systems, automation setups, and data logging applications where consistent temperature monitoring is required. It integrates easily with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing quick connection and smooth communication for prototyping and experimentation. With dependable performance and simple integration, the SmartElex STTS22H breakout board is a practical choice for educational labs, DIY projects, and embedded development applications. Features: Digital temperature sensor module with stable and accurate readings Breakout board design for easy handling and quick prototyping Simple digital interface for smooth data communication Compatible with Arduino, Raspberry Pi, and ESP32 platforms Ideal for IoT, robotics, and automation projects Suitable for education, DIY electronics, and embedded development

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.

7Semi BMA400 3-Axis Digital Accelerometer Breakout Board STEMMA QT / Qwiic The 7Semi BMA400 3-Axis Digital Accelerometer Breakout Board STEMMA QT / Qwiic features the highly precise BMA400 3-axis accelerometer, delivering accurate 3D acceleration measurements with 12-bit digital resolution and 0.001g sensitivity. Supporting selectable measurement ranges of ±2g, ±4g, ±8g, and ±16g, this ultra-low power sensor can detect tilt, orientation, tap/double-tap, and perform step counting with activity recognition—making it perfect for wearable devices and battery-sensitive applications. Its Qwiic/STEMMA QT connector allows effortless plug-and-play integration, while dual power support (3.3V/5V) and flexible I2C/SPI interfaces ensure compatibility with a wide range of microcontrollers. With two configurable interrupt pins and a compact design, this breakout board is ideal for robotics, motion sensing, vibration monitoring, and other STEM projects requiring precise and reliable acceleration data. Features: 3.3 and 5 volt power supply I2C and SPI communication, with 2 interrupt pins. Digital resolution: 12 bits. Measurement range: +- 2g, 4g, 8g, 16g. BMA400 3-Axis Digital Accelerometer Breakout Pinouts:

SmartElex BX404 Digital PIR Motion Sensor The SmartElex BX404 PIR Motion Sensor is a compact and reliable BX404 PIR Motion Sensor designed to detect human movement using passive infrared technology. It helps users sense motion accurately by detecting changes in body heat, making it useful for security, automation, and energy-saving applications. This passive infrared sensor is ideal for students, makers, educators, engineers, and startups looking to add motion detection to their electronic projects in a simple and effective way. The sensor works smoothly with popular platforms such as Arduino, Raspberry Pi, and ESP32, allowing easy integration into robotics, IoT devices, and automation systems. Its stable digital output makes it suitable for applications like smart lighting, intrusion alarms, occupancy detection, and DIY prototypes. With easy interfacing and dependable performance, this sensor enables quick development of motion-based solutions for real-world electronics projects. Features: Accurate motion detection using passive infrared sensing Designed for reliable human movement detection Digital output for easy interfacing with controllers Compatible with Arduino, Raspberry Pi, and ESP32 Low power operation for continuous monitoring Ideal for security, automation, and smart electronics projects

7Semi High-Precision Temperature & Humidity Sensor Probe The 7Semi High-Precision One-Wire Temperature and Humidity Probe is engineered for applications where accuracy, durability, and reliability truly matter. Built with advanced CMOSens sensing technology, it delivers precise digital measurements even in extreme environmental conditions. Its stainless-steel porous housing provides excellent protection against moisture, dust, and chemical contaminants, making it dependable for long-term use in demanding setups. Designed for industrial automation, scientific research, HVAC systems, and environmental monitoring, this probe offers excellent responsiveness and stability across wide temperature and humidity ranges. The one-wire interface reduces wiring complexity, while the compact form factor and 1-meter cable make installation effortless. With its industrial-grade sensing, high-accuracy performance, and rugged enclosure, this probe is ideal for both stationary and mobile applications. Features: Designed with advanced CMOSens technology to deliver highly accurate humidity and temperature readings in challenging environments. Operates efficiently at 3.3V, making it suitable for battery-powered and portable devices. Works across extreme environmental conditions, including temperatures from -40°C to +125°C and pressures up to 150 bar. Encased in a stainless-steel breathable shell that resists corrosion, dust, chemical exposure, and moisture. One-wire digital interface ensures simple integration and minimal wiring requirements. Proven reliability in high-pressure, high-temperature, vacuum, and explosive environments. Built for long service life with strong resistance to oxidation and particulate blockage. Includes a 1-meter cable with a mini round shell connector for flexible installation in tight or specialized spaces. 7Semi High-Precision Temperature & Humidity Sensor Probe Pinout Diagram:

7Semi DC Buck Converter Breakout 3.3V 2A Out (AP62301) (BO-10131) The 7Semi DC Buck Converter Breakout 3.3V 2A Out (AP62301) is a compact power module that converts higher DC voltages into a stable 3.3V output with up to 2A current. It accepts a wide range of input voltages, making it useful for powering low-voltage electronics from batteries, adapters, and other DC sources. This makes it ideal for projects that require a reliable 3.3V supply. Built using an efficient synchronous buck converter design, this board delivers dependable power with minimal energy loss and low heat output. The small form factor allows easy integration into your electronics builds, especially space-constrained and portable systems. Whether you’re working on IoT devices, embedded controllers, or sensor systems, this converter provides a simple and efficient power solution for your 3.3V needs. Features: Provides a stable 3.3V output with up to 2A continuous current Accepts a wide DC input voltage range for flexible power sources High-efficiency synchronous buck converter design Low heat generation for efficient and safe power delivery Compact breakout board for easy integration and prototyping Ideal for IoT devices, embedded systems, and battery-powered projects Suitable for powering microcontrollers, sensors, and communication modules

Cytron Maker Object – Digital IR Proximity Sensor The Cytron Maker Object is a compact digital IR proximity sensor designed for beginners, hobbyists, and robot builders who need reliable object detection or obstacle sensing in their projects. Engineered with a 38kHz modulated IR signal, the Cytron sensor remains immune to ambient light, ensuring stable readings in both indoor and outdoor environments. Its active-low NPN output, internal pull-up resistor, and easy plug-and-play interface make it ideal for robotics, automation, and DIY electronics projects where simplicity and accuracy matter. Despite its tiny form factor, the Cytron Maker Object IR sensor offers impressive sensing capability with an adjustable detection range: 15–60 cm for dark surfaces and 40–140 cm for light surfaces. The 90-degree header design allows effortless mounting on PCBs, breadboards, or compact robots such as mini sumo bots. Whether you’re building an obstacle-avoidance robot, an automatic gate safety sensor, a parking occupancy counter, or an entrance detection system, the Cytron Maker Object delivers dependable performance in a small, beginner-friendly package. Features: Cytron’s compact digital IR proximity sensor designed for easy object and obstacle detection. 38kHz modulated IR signal provides strong immunity to ambient light interference. Active-low NPN output with internal pull-up resistor for direct microcontroller compatibility. Adjustable sensing range optimized for different surface colors: 15–60cm (black), 40–140cm (white). Breadboard-friendly design with a 90-degree pin header for effortless mounting on robots or PCBs. Ideal for mini robots, sumo bots, automation setups, safety systems, and DIY electronics.