ATEN AT-E210D Anti-Static Solder Pump is a must-have tool for efficient and safe desoldering. Designed for professionals, hobbyists, and students, this high-quality pump delivers reliable performance across various applications, from complex printed circuit repairs to basic solder extraction tasks. Its anti-static design ensures the safety of sensitive electronic components, making it an excellent choice for laboratories, workshops and educational environments. The ergonomic and lightweight design promotes ease of use, allowing for extended use without discomfort. The ATTEN AT-E210D is built from durable materials to withstand rigorous use while maintaining optimal performance. Whether you are working on professional repairs or DIY projects, the AT-E210D AT-E210D welding pump delivers precision and reliability. Backed by ATEN's commitment to excellence, this tool is a valuable addition to any electronic repair kit.

ATmega328P Microcontroller: Powered by the reliable ATmega328P, running at 16 MHz with 32KB of flash memory, 2KB SRAM, and 1KB EEPROM, offering ample resources for a wide range of basic to advanced electronics projects. 14 Digital I/O Pins & 6 Analog Inputs: Features 14 digital I/O pins (6 of which support PWM output) and 6 analog inputs (10-bit resolution), providing flexible options for sensors, motors, and other external components. USB Connectivity for Easy Programming: The built-in USB port allows for direct programming and serial communication, enabling a simple connection to your computer for sketch uploading and debugging through the Arduino IDE. Compatible with Arduino IDE: Full compatibility with the Arduino IDE ensures easy access to a vast array of libraries, code examples, and community-driven projects, making the Uno a great choice for both beginners and experienced makers. Widely Used in Education & Prototyping: The Arduino Uno is a standard in educational environments, widely used for learning and teaching electronics and programming. It's perfect for prototyping, robotics, IoT projects, and more.

Compact and Powerful – The Arduino Nano [A000005] is a small yet powerful microcontroller based on the ATmega328P, making it perfect for projects with limited space. Its compact design allows for easy integration into embedded systems, wearables, and portable applications without compromising performance. Versatile I/O Options – Equipped with 14 digital I/O pins, 8 analog inputs, and PWM support, the Nano enables precise control of components such as sensors, motors, and LEDs. This versatility makes it ideal for robotics, automation, and interactive projects requiring multiple inputs and outputs. Easy USB Connectivity – The built-in mini-USB port allows quick and hassle-free programming, as well as power supply without additional components. It simplifies prototyping and development, making it easy to upload sketches, communicate with the board, and integrate with other devices. Arduino IDE Compatibility – Fully compatible with the Arduino IDE, the Nano supports a vast library of pre-written code, examples, and community projects. This makes it accessible for beginners while offering advanced users the flexibility to develop custom applications with ease. Ideal for Prototyping & IoT – Perfect for makers, students, and engineers, the Arduino Nano is widely used in IoT applications, robotics, and embedded systems. Its small size and powerful features make it a great choice for prototyping, experimentation, and building compact, high-performance devices.

The Mega is 100% compatible with Arduino IDE and most shields designed for the Arduino mega R3，RoHS Compliant The chip is Atmega+2560-16au and 16u2, same with the official version. Improved and expert version: 1. 0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Due that operate with 3. 3V. The second one is a not connected pin, that is reserved for future purposes. Stronger RESET circuit. Use 5. 5 * 2. 1mm DC barrel jack (compatible with 5. 5 * 2. 5mm DC barrel jack) It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.

Voltage: 3.3-5V Pressure: 0-40KPa Module Adopts High Precision AD Sampling Chip and 0-40KPa Air Pressure Sensor Module Can Connect 2.5mm Soft Tube and Detect the Water Level and Other Air Pressure Adopts 5K Ohm Resistor Bridge Sensor The Specific Air Pressure Value needs to be Calculated Size: 18.6*13.5mm (2mm fixing hole)

Current sensor chip: ACS712ELC-30A Pin 5V power supply, on-board power indicator The module can measure the positive and negative 20 amps, corresponding to the analog output 100mV / A There is no the detection current through, the output voltage is VCC / 2

AA R6 CAMELION Carbon Zinc Battery

A57 BT Bluetooth Temperature-Humidity Datalogger uses low-power microprocessors, equips internal temperature sensor and measures temperature and humidity via connecting external temperature probe or temperature-humidity probe. It features high accuracy, large storage, LED audible and visible alarm, APP and PC software connection, report export, etc. It is widely used in fields of food processing, cold-chain transportation, warehousing, etc.

Alkaline battery made by Toshiba

A module includes 4 relays 5V with Terminal Blocks for both Input and Output Interface Each relay supports Normally Open and Normally Closed and Optocoupler Isolation. Each relay supports High-level Trigger or Low-Level Trigger selectable by a jumper. Relay for Arduino, ESP32, ESP8266, Raspberry Pi, or any 5V or 3.3V microcontroller. Tutorials for Arduino is provided.