Raspberry Pi 5 features the Broadcom BCM2712 quad-core Arm Cortex A76 processor @ 2.4GHz, making it up to three times faster than the previous generation. With RAM variants up to 8GB, this is the fastest, smoothest Raspberry Pi experience yet.

Raspberry Pi 4 Model B with 8GB RAM is the latest product in the popular Raspberry Pi range of computers. It offers ground-breaking increases in processor speed, multimedia performance, memory; and connectivity compared to the prior-generation Raspberry Pi 3 Model B+ while retaining backward compatibility and similar power consumption. For the end-user, Raspberry Pi 4 Model B provides desktop performance comparable to entry-level x86 PC systems.

The Raspberry Pi 3 Model B looks identical to the Pi 2 B at first glance. It is the same size and has much of the same components on board. So what is the difference? The new Pi 3 brings more processing power and on-board connectivity, saving you time with the development of your applications. Perfect for your Internet of Things (IoT) designs.

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.

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.

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.

2.4GHz Dual Mode WiFi + Bluetooth Development Board Support LWIP protocol, Freertos SupportThree Modes: AP, STA, and AP+STA Ultra-Low power consumption, Compatible with Arduino IDE ESP32 is a safe, reliable, and scalable to a variety of applications.

Function: A simple humidity sensor for detecting soil moisture. Output: High level output when soil is dry, low level otherwise. Application: Used to make automatic watering devices for easy plant garden management. Output Modes: Dual output mode with simple digital output and more accurate analog output. Features: Adjustable sensitivity (digital potentiometer adjusts digitally) and stable operation using LM393 comparator.

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.

3Pcs MQ-135 MQ135 Air Quality Sensor Hazardous Gas Detection Module Gas sensor DC 5V For Arduino Sensors Double-sided panel design, with power supply indication and TTL signal output indication; With DO switching signal (TTL) output and AO analog signal output; The effective signal of TTL output is low level. (When the output low level signal light, can be directly connected to the microcontroller or relay module) Analog output voltage, the higher the concentration of the higher voltage. Input voltage: DC5V Power consumption (current): 150mA

XL6009 is a high-performance 400KHz 4A switch currency step-up (BOOST) module. This module is coming with the 3rd generation high-frequency switch technology as the core chip, The performance is much higher than LM2577 Wide input voltage: 3V~32V;Optimum operating voltage range: 5~32V;Wide output voltage: 5V~35V With 4A high efficiency MOSFET switches, the efficiency of XL6009 can be up to 94%(LM2577current is 3A) With ultra high switch frequency 400KHz , even if small capacity filtering capacitors can achieve very good results, ripple is smaller (Compared to LM2577,its frequency is 50KHz) With 0.1uF high-frequency bypass capacitor, effectively filter out high-frequency noise

Automatic idle-current reduction. Supply voltage up to 48V DC Output current up to 5.0A. Suitable for 2-phase and 4-phase motors. High speed optoelectronic isolation signal input. Single-chip PWM bipolar sinusoidal chopper ensures low vibration and high efficiency. 1, 2, 4 ( Mode), 8, 16 adjustable microstep control, motors run more precisely and smoothly. Equipped with the 3rd generation of breakout board, display panel and control pad to control the motor manually. Overload, overcurrent, overheat, overvoltage and undervoltage protection to avoid damaging your computer and devices. Cooling Aluminium Box Design for Cooling, and protect the driver board from being damaged by dirt, dust or other liquids. The TB1H is a high performance microstepping driver based on the latest for high-efficiency TB6600HG for IC. The TB6600HG adopts single-chip PWM bipolar sinusoidal chopper to ensure the low vibration and high efficiency. Moreover, the design with BiCD0.13 (50V) process technology on the chipset also ensures maximum 5.0A output current and 50V output withstand voltage. Consequently, as long as the current range of the stepper motor is within 0.2-5 amps, all the 2 Phase or 4 Phase of Nema17, Nema23, Nema24 and Nema34 stepper motors will work perfectly with this new-type TB6600HG Stepper Driver. Applications: For processing various pattern mould. For advising, such as , architechture mould, badge, nameplate, display boards, doorplate, furniture decoration, etc.. For carving portrait, scenery, handwriting, sealing, etc.. Suitable for any small-and-medium automatic equipment with controller, such as X-Y-Z tables, labeling machines, laser cutters, engraving machines, and pick-place devices.

100% NEW brand,high quality. Stall Torque (4.8V): 17.5oz /in (1kg/cm); Operating voltage: 3.0V~ 6V; Temperature range: -30 to +60; Dead band width: 7usec. Mini servo SG90 is tiny and lightweight with high output power. SG90 servo motor compatible with the project like Robot Arm/ Robot hand/ control the servo with potentiometer/ multi servo control. The SG90 has 3 wire interfaces in which the connections should be made as follows: Red wire-5V, Brown Wire-Ground, Yellow wire-digital pin 9. SG90 9G micro servo motor for remote control helicopters, micro robot, robot arm and boats.

Corona DS558HV Digital Metal Gear Servo 14kg / 0.18 Sec / 58g Specs: Model: DS558MG Operating Voltage: 6.0V / 7.4V Operating Current: 300mA / 400mA Operating Speed: 0.20sec.60°/ 0.18sec.60° Stall Torque: 12kg.cm / 14kg.cm Size: 20X40X38.5mm Weight: 58g Dead Band: ≤3uSec Operating Travel: 40°/one side pulse traveling 400us Potentiometer: 5 slider/Direct Drive Ball bearing: MR106 Gear Material: Metal Gear Type: Digital Motor: Brushed Connector wire: 300mm Operating Temperature Range: -20°C+60°C Spline count: 25

L298N Motor Driver Controller Board Module: L298N as main chip. Can drive one 2-phase stepper motor, one 4-phase stepper motor or two DC motors Operating mode: H-bridge driver (dual) Logic voltage: 5V(current 0mA-36mA) Drive voltage: 5V-35V(current: 2A (MAX single bridge) Maximum power: 25W

Widely applicable: Widely used in stereo, TV, video machine, disc machine, set-top boxes, digital photo frame, car stereo, remote control toys, satellite receivers, hard disk player, air conditioner, heater, electric fan, lighting and other home appliances. Working voltage: 2.7 ~ 5.5V Frequency: 37.9KHz Receiving angle: 90° Receiving range: 18m? Dimension (each?: 1.5 x 1.8 x 1cm Infrared receiving module adopts 1838 infrared receiving head Can receive infrared signals and output them at the signal output as a digital sequence. You will receive 10 IR receiver modules for your use. built-in infrared dedicated IC, can work under 500 lux light intensity.

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

Bluetooth module HC-05 Master and slave Two in one module. Please note: iOS devices (iPhone) are not supported Use the CSR BC417 mainstream bluetooth chip, bluetooth V2.0 SPP protocol standards Module working voltage 3.6 V to 6V Default rate of 9600,default pin:1234, the user can be set up.click the button into AT MODE Can be switched via AT commands as master or slave mode , the device can be connected via AT commands specified

Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission. The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode. It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands. AT command interface with "auto baud" detection. TTL serial port for serial port, you can link directly to the microcontroller

Product Identity: ESP8266 ESP - 01 Serial WiFi Wireless Transceiver Module Development Board, a compact yet potent solution for wireless connectivity projects. Processing Prowess: ESP8266 boasts robust on - board processing capabilities, facilitating efficient execution of complex tasks and algorithms. Storage Capacity: ESP8266 offers ample on - board storage, enabling seamless data retention and retrieval for uninterrupted operation. Mode Flexibility: Supports three distinct WiFi operation modes - AP, STA, and AP + STA, providing versatile networking options for diverse application scenarios. Arduino Synergy: Compatible with Arduino platforms and equipped with LWIP in AP+STA mode, streamlining development and enhancing project compatibility.