4 in 1 Dot Matrix Module (MAX7219) This is a Dot Led Matrix Module with a MAX7219 Driver chip. You will be able to add some great cool animation to your upcoming project by using this dot matrix display module. The individual module contains 88 LEDs, each of which is precisely controlled by the MAX7219 driver to produce the desired colour pattern. The main advantage of using this is that users will be able to control all 64 LEDs by simply connecting three output communication wires to microcontrollers such as Arduino , etc. It is also very simple to connect the two modules. Simply connect the previous breakout board's output pins to the new module's input pins, and you can connect as many DOT LED Matrix Modules to the Arduino as you want!!!  The MAX7219 Dot Led Matrix Module is a common-cathode serial input driver that connects microcontrollers to LED matrices. A 4-wire serial interface allows you to connect any common microcontroller to this module. Without refreshing the entire display, each output can be addressed. This module only needs three I/O lines to drive the display, making it ideal for microcontroller projects. To set the segment current of each LED, only one external register is used. Wiring instructions: The left side of the module to the input port, the right to an output port When the control of a single module, simply input port connected to the CPU When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on. Pin connection: Dot Matrix Display Module to the Arduino Vcc 5V GND GND DIN Pin 12 CS Pin 10 CLK Pin 11

MAX7219 8x8 LED Dot Matrix Display Module The MAX7219 is a serial input / output common-cathode display driver that is connected to a microprocessor and has an 8-digit 7-segment digital LED display that can also be connected to a bar graph display or 64 separate LEDs. To store each data, an On B BCD encoder with an on-chip, multi-channel scanning loop word drive and an 8 x 8 static RAM is used. To set the current of each LED segment, only one external register is used. All general-purpose microprocessors can be connected using a simple four-wire serial interface. You can also use this display module in your Arduino project as well. Each data can be addressed in the update, which eliminates the need to rewrite the entire display. MAX7219 Dot Led Matrix display also allows the user to choose whether to code or not code each data point. The Dot Led Matrix display includes a 150A low-power shutdown mode, analogue and digital brightness control, a scan-limit register that allows the user to display 1-8 bits of data, and a let all LED light detection mode. A dot-matrix can be driven with only three IO ports! Flicker-free dot-matrix display! Cascades are supported! Pin connection: Dot Matrix Display Module to the Arduino Vcc 5V GND GND DIN Pin 12 CS Pin 10 CLK Pin 11 Applications: Bar-Graph Displays 7-Segment Displays Industrial Controllers Electronic Panel Meters LED Matrix Displays Display symbols, simple graphics, and texts.

ME-8108 Rotary Adjustable Roller Lever Arm AC Limit Switch for CNC Machines ME-8108 Rotary Adjustable Roller Lever Arm Mini Limit Switch also named the POSITION SWITCH, is a commonly used small current main electrical appliances, the contact action is realized through the collision of the moving parts of the production machinery or segmented control circuit, achieving a particular control target.  Most popular use is a limit switch for DIY CNC mills. The lever arm can be rotated to the left by 90° degree and to the right by 90° degree. Perfect for electrical control switches in mechanical and other industries; This Limit Switch can be widely used in various machines to monitor the position of moving parts of machines and plants; Please pay attention to the Voltage Rating and check with the voltage of your place to make sure the Limit Switch successfully works. Features: Adjustable Roller Lever Arm: The lever arm can be rotated 90 degrees to the left or right, providing flexibility in installation. High Durability: Rated for 300,000 electrical cycles and 10,000,000 mechanical cycles. Wide Voltage Range: Can handle up to 250V AC and 115V DC. Momentary Actuator Action: The switch operates momentarily when the lever arm is actuated. Dustproof and Water Resistant: Features IP65 ingress protection, making it suitable for harsh environments. Versatile Applications: Commonly used in production lines, robotics, CNC machines, and IoT projects. Applications: Production Lines: Used to monitor and control the position of moving parts in automated production lines. Robotics: Helps in detecting the position and movement of robotic arms and other components. CNC Machines: Ensures precise positioning and movement control in CNC drilling and milling machines. IoT Projects: Integrated into IoT systems for monitoring and controlling various mechanical processes. Safety Mechanisms: Acts as a safety switch to prevent machinery from operating outside of set parameters. Home Automation: Used in smart home devices to detect the position of doors, windows, and other moving parts.

Micro Coreless Motor with propeller - 4 Pieces These are Micro Coreless Motor with propellers, This micro coreless motor is exactly what you need if you want to build your own small-scale Quadcopters, Drones , helicopters, and RC planes. It is very small in size and in terms of producing thrust to lift your flying object chassis into the air. This motor's RPM is 48000, which is more than enough to provide a lift. It's a great motor for a beginner to start with because it's much cheaper than a BLDC drone motor, so this motor is the best option if you want to get started. This pack includes a high-quality 55mm propeller that is compatible with the 720, 8520, and 615 Coreless Motors. Their smooth surface can significantly reduce wind resistance during flight. As a result, when the propellers are securely mounted on the quadcopter, they can easily rotate at high speeds. The propellers are made of high-tensile material, so they can withstand crashes. As a result, this propeller with micro Coreless motors is an ideal match for your multirotor. Only Plug and Play. Features: The micro coreless motor is a high-speed, low-torque motor. Operation is less noisy. Provides little resistance. They come with high-quality magnets.

KW11-3Z Micro Limit Switch with Roller for CNC RepRap Prusa 3D Printers 5A 250VAC This is TACT Switch KW11-3Z 5A 250V Micro Switch Round Handle 3 Pin N/O N/C for 3D Printers. Microchip is ideal for application in any form of circuitry that controls voltage and currently rated components. It is a sense-sensitive switch that forces the passive motor through which some travel into electronic contact cause speed, but to turn on the electric circuit. It has a small space, instant motion, and small style handling. Widely used in electronic products, appliances, electrical and electronic appliances, household appliances and so on. For example computer mouse, electronic car, communication device, commodity war industry, gas meter, gas water heater, coal gasifier, small appliances, etc.

Micro Vibration Motor Micro vibration motors are small, high-torque motors that are designed to produce vibration. They are commonly used in a wide range of applications, including mobile devices, gaming controllers, and other electronic devices that require vibration feedback. Micro vibration motors typically have a diameter of a few millimeters to a few centimeters and can be driven by a DC voltage or current. They are usually designed to operate at low voltage and current levels, and are often controlled using pulse-width modulation (PWM) techniques to adjust the intensity of the vibration. Micro-vibration motors are widely available from a variety of manufacturers and distributors, and can be purchased online or from electronics stores. They are relatively inexpensive and are commonly used in a wide range of electronic projects and applications. Features: Small Compact Size Metal Body High efficiency Long life span Applications: Mobile devices Gaming controllers Fitness trackers Also check Vibration Motor available on the ROBOCRAZE website. It is a small-sized motor made from Toy Motor, designed for high stability and quick assembly. The motor operates within a voltage range of 4.5V to 6V, with a nominal operating voltage of 5V. It is known for its stable performance, high-temperature resistance, and long service time.

Microswitch KW10-Z1P Limit Switch 1A 125V AC The Subminiature PCB micro switch with 3 pins, SPDT design (1NO + 1NC) momentary. The actuator forms are middle hinge lever. The rating is 1A 125VAC. The subminiature PCB micro switch is made of nylon 66 and metal. The terminal is brass with silver plated. The housing color is black.The pin is a PCB terminal. Operating in all types of electronic equipment such as telephone, audio instruments, TV set, VCR, Automatic machine, communication equipment, car electric, apparatus and, electro motion tool, etc

Mini limit Switch 5A 250V The Mini Limit Switch 5A 250V is your versatile solution for precise control and automation. This 3-terminal, momentary action switch is equipped with 1 NO and 1 NC contact, along with a silver tone lever hinge for easy handling. Crafted with precision, this switch ensures the highest quality and durability, making it perfect for a wide range of applications, including appliances, electronic equipment, automatic machines, and automotive electric systems. Whether you're a hobbyist, maker, or engineer, this Mini Limit Switch is a must-have for your DIY projects. It's easy to install, catering to users of all skill levels. With reliable performance and a compact design, it's suitable for various age ranges and skill levels. Are you looking to enhance your DIY projects with precise control? Buy Mini Limit Switch now at the best price and experience the difference it makes in your automation endeavors! Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3 cm. Features: Contact Type: Momentary Action Terminal Type: 3-Terminal Versatile Design: 3-terminal, momentary action switch with silver tone lever hinge Durable Construction: Crafted with precision for high quality and durability Easy to Install: Designed for straightforward installation, suitable for users of all skill levels Applications: Mini limit switches like the 5A 250V version can be used in various applications such as industrial settings, assembly lines, and safety interlocks They are crucial in detecting the presence or absence of materials or objects, automating processes, and ensuring safety in machinery operations Limit switches are commonly employed in controlling devices and ensuring safety for both machinery and personnel by sending digital signals to control systems These switches play a vital role in manufacturing due to their simplicity, cost-effectiveness, and ability to create a link between physical and electrical domains

MKS OSC V1.0 Stepper Motor Drive Simple Controller Pulse PWM Signal Generator Module Speed Control 8-24V This MKS OSC Stepper Motor Controller Pulse PWM Speed Reversing Module generates pulses that are used as a signal for stepper drivers. The stepper motor must be equipped with a driver in order to be controlled. The module can be used to create a simple control platform by combining an Easy controller, stepper driver ,stepper motor and DC power . This controller has three frequency modes; High mode goes from 5.4KHz to 160KHz, Medium mode goes from 540Hz to 16.6KHz and Low mode goes from 80Hz to 2.4KHz. It also has three PWM modes; High mode goes from 7.4 KHz to 11KHz, Medium mode goes from 780Hz to 1.2KHz and Low mode goes from 100Hz to 160KHz. Different stepping motor driver different port sign, but same function EN=ENA=FREE   Enable PUL=PULS=CLK  Pulse DIR=CW=CWW    Direction Common anode connection (connect with B) EN+  PUL+   DIR+  all link together  to common  anode port EN- connect to    EN PUL- connect to  CLK DIR- connect to   DIR Common cathode connection (connect with B) EN-  PUL-   DIR- all link together  to  common cathode port EN+  connect to    EN PUL+ connect to  CLK DIR+ connect to   DIR

N20-3V-200 RPM Micro DC Motor The 3V N20 Micro Metal Gear Motor - 200 RPM is the perfect solution for high-torque robotics enthusiasts. It combines compact design, versatile performance, durable craftsmanship, and user-friendly applications. This motor ensures the highest quality and durability. The all-metal gear, unique design, and quality material provide specific benefits, making it suitable for various ideal conditions and perfect for keywords. Whether you're into hobby robotics, Lego robotics, or need a reliable motor for other applications, this motor is designed to meet your needs. Suitable for a wide age range, it encourages skill development and offers endless possibilities for different activities. Features: This is a DC Mini Metal Gear Motor, ideal for making robots Lightweight, high torque and low RPM. Fine craftsmanship, durable, not easy to wear. With excellent stall characteristics, can climb hills easily. You can also easily mount a wheel on the motor’s output shaft. Applications: The N20-3V-200 RPM Micro DC Motor can be used in robotics applications for precise movements and control. It is suitable for small-scale automation projects that require low-speed and high-torque operations. This motor is commonly employed in DIY projects like miniature vehicles, drones, and small machinery. Due to its compact size and efficiency, it is ideal for use in electronic locks, surveillance cameras, and other security systems.