DB9 Male Straight Connector

Cytron UNO Special Edition – Arduino-Compatible Board with Side Connectors The Cytron UNO Special Edition (CT-UNO-SE) is a fully Arduino-compatible development board designed for makers, students, and hobbyists who need reliable performance for DIY electronics and robotics projects. Built around the ATmega328P microcontroller, this board offers the familiar Arduino UNO experience while adding enhanced stability with the FTDI FT231X USB-to-Serial chip, ensuring smoother programming and communication. Whether you're prototyping sensors, robotics circuits, or automation systems, this board delivers a dependable and beginner-friendly platform for all your microcontroller learning needs. What makes the CT-UNO-SE stand out is its unique side connectors, allowing it to be stacked on top of or beneath Arduino shields, giving you maximum flexibility while building layered circuits or compact embedded systems. With full Arduino UNO R3 shield compatibility, 14 digital I/O pins, 6 analog inputs, and both 5V and 3.3V regulated outputs, this special edition board combines convenience, versatility, and long-term durability - all wrapped into a sleek white PCB that makes your projects look clean and professional. Features Built with the ATmega328P microcontroller paired with the Optiboot bootloader for faster program uploads. Equipped with the FTDI FT231X USB interface, offering stable and reliable serial communication. Supports a wide DC input range of 7–15V, suitable for most maker power setups. Includes a 1A 5V regulator and 500mA 3.3V regulator for powering sensors and modules. Offers 14 digital I/O pins (6 PWM) and 6 analog inputs for versatile interfacing. Fully R3 shield compatible with special side connectors for flexible stacking. Features 32KB Flash memory, 2KB SRAM, and 1KB EEPROM for program storage. Comes with easily visible TX, RX, power, and pin-13 LEDs placed on the board edge. Utilizes a durable USB Micro-B connector on a clean white PCB. Dimensions

DFRobot Gravity 7/24 Industrial Analog pH Sensor Meter Kit for Arduino The DFRobot Gravity 7/24 Industrial Analog pH Sensor Meter Kit for Arduino is a high-precision Analog pH Sensor designed for professional and industrial applications requiring continuous pH monitoring. This Arduino pH Sensor uses an industrial-grade glass membrane electrode with low impedance, delivering fast response, excellent thermal stability, and stable performance over long periods. It supports a full measurement range of 0 pH to 14 pH with linear voltage output, ensuring accurate and reliable readings. The sensor integrates easily through a BNC connector and PH2.0 interface, allowing direct connection to any Arduino analog input. Its reference system, based on Ag/AgCl gel electrolyte with a PTFE membrane, provides strong anti-pollution characteristics and prevents clogging, making it an ideal industrial pH sensor for Arduino for water treatment systems, environmental monitoring, and laboratory analysis. Attention: The probe's bottle top contains protective fluids (3.3mol/L KCL). Even if the bottle cap is tightly fastened, some protective liquid may leak around it, resulting in white crystals. However, as long as the bottle top contains protective liquid, the probe's life and accuracy will be unaffected. Please use it with confidence. It is recommended that the white crystals be returned to the bottle cap's protective liquid. Features Industrial-grade Analog pH Sensor for accurate measurement Compatible with Arduino and other microcontrollers Measures pH range from 0 to 14 Fast response with high stability BNC connector for secure sensor connection Plug-and-play PH2.0 analog interface Built-in power indicator LED Suitable for long-term online monitoring Low maintenance and long sensor life Ideal for water quality and lab applications Applications Water Quality Surveillance Aquaculture

XT60 Male connector The XT60 Male Wire connector is useful for connecting your battery and ESC. These are widely used to connect batteries with drones safely. The XT60 connectors are suitable for high-power brushless and brushed ESC and motors which are used in RC helicopters, quadcopters , planes, and cars. They ensure high amp connections.

Male to Female Jumper Wires (20cm) 40pcs These DIY Male to Female Jumper Wires are multipurpose use and very handy. Quick prototyping and testing excellent connector. These dupont cables generally used for connecting FRC pins, Header pins, Berg pins etc. These jumper wires are electrical wires or groups of them in a cable with a connector or pins at each end, which is normally for interconnecting the components of a breadboard or other prototype or test circuit, internally or with other equipment or components, without soldering. Female to Male Breadboard Jumper Wires are mostly useful with Orange Pi, Banana Pi, Raspberry Pi , Arduino , and other mini pc and development boards . It is very useful in the PCB project, PC motherboard, as well as Breadboard connections. Additionally, the Arduino jumper wire kit allows you to plug and unplug easily for prototyping and can be used over and over again. Applications: Raspberry Pi Arduino PCB projects Breadboard connections

HDMI to VGA Converter with audio- Black HDMI to VGA Converter, with 3.5 mm Audio Out converts digital HDMI signal into analogue VGA video. This converter module includes an integrated audio output and is powered by an HDMI connector, so this HDMI Male to VGA Female Adapter does not require external power. All Raspberry Pi models include an HDMI port for display connectivity, making them ideal for use with Raspberry Pi . However, there may be times when we need to connect an old VGA display to the Raspberry Pi; in such cases, our HDMI Male to VGA Female Adapter comes in handy. This VGA to HDMI converter needs no software and it is just plug and play all the way. The HDMI Male to VGA Female Adapter can also be used with anything that requires an HDMI - VGA conversion, such as your PC, laptop, DVD player, PS3, Xbox 360, projectors, and so on. It supports 720p and 1080p full-size high-definition resolution. You can enjoy high-quality sound thanks to the integrated audio out. Package Contents : 1x Black HDMI VGA converter

XT60 Connector Male Female Pair Looking to buy high-quality XT60 Connectors with gold plating at the best price? Look no further. Our XT60 Connectors are the perfect solution for your connectivity needs. Measuring 3.5mm and suitable for a wide age range of users, these connectors are designed for both durability and ease of use. These yellow connectors are not only versatile but also perfect for a wide range of applications. Whether you're into drones, need reliable battery charging, or have various DIY electronic projects, the XT60 Connectors are your ideal choice. They not only encourage skill development but are also suitable for both hobbyists and professionals. The innovative concave jacket design of the XT60 Connectors provides protection against water vapor, making them ideal for outdoor use and electronic speed controllers (ESC). These connectors are made with premium materials, ensuring stable and reliable connections, even in challenging conditions. So you can rest assured that your connections will be safe and efficient. Easy to use and featuring a unique design, XT60 Connectors are your solution to solve connectivity issues. With their wide compatibility, they are suitable for a variety of devices and applications, offering flexibility and convenience. If you're an RC hobbyist, drone enthusiast, or involved in DIY electronics projects, these XT60 Connectors are your reliable choice for secure connections at the best price. Features: Gold plating ensures the highest quality and durability. Concave jacket design for protection against water vapors, ideal for outdoor applications and electronic speed controllers (ESC). Made with durable materials to provide stable and reliable connections. Suitable for various conditions and perfect for DIY enthusiasts. Easy to use with a unique design to solve connectivity issues. Wide compatibility for various devices and applications. Encourages skill development and suitable for both hobbyists and professionals. Applications: Used for charging batteries Used with an electronic speed controller (ESC) Used in drones Commonly used with lithium polymer batteries Also check T Plug Deans Connector for LiPo Battery , available in a male and female pair. It is designed for Lithium Polymer (LiPo) batteries and has a current rating of 60A at continuous load, with a maximum current of 75A. The connectors are suitable for use in RC cars, helicopters, planes, etc. They feature a low-resistance and wear-resisting design, allowing for secure connections for battery and motor connections.

4Pin KY-026 Flame Sensor Module This 4Pin Flame Sensor Module is used to detect fire/flame sources or other light sources of the wavelength in the range of 760nm 1100 nm. It is based on the YG1006 sensor which is a high speed and high sensitive NPN silicon phototransistor. Due to its black epoxy, the sensor is sensitive to infrared radiation. The sensor can be a great addition to a firefighting robot, it can be used as a robot's eye to find the fire source. When the sensor detects flame the Signal LED will light up and the D0 pin goes LOW. The module has 2 outputs: Analogue, which gives a real-time voltage output signal on thermal resistance, and digital which allows temperature thresholds to be set via a potentiometer.

1.5 Inch Water Flow Sensor YF - DN40 The YF-DN40 water flow sensor is a device that is used to measure the flow rate of water. It consists of a turbine-type rotor that is placed in the water stream, and as the water flows past the rotor, it causes the rotor to spin. The flow sensor measures the speed of the rotor and converts it to a flow rate. The sensor has a digital output, which means that it provides a digital signal that can be read by a microcontroller or other host device. The sensor is commonly used in applications such as irrigation systems, water treatment plants, and industrial process control. It is often preferred over other types of flow sensors because it is easy to install and has a low cost. The YF-DN40 sensor is designed to be installed in a pipe with a diameter of 40mm or 1.57 inches.

DFRobot Gravity Analog Water Pressure Sensor Module The Gravity Analog Water Pressure Sensor is a simple yet powerful tool that helps you monitor water systems by detecting both the presence of water and measuring its pressure. This DFRobot sensor uses a standard Gravity 3-pin interface that makes it compatible with Arduino and similar microcontrollers. It works with 5V input voltage and provides a linear output voltage between 0.5V and 4.5V that corresponds to the pressure level. When used with a Gravity IO Expansion Shield, you can connect this sensor directly to your Arduino board without any complicated wiring, making it perfect for beginners and students working on water monitoring projects. This versatile liquid pressure monitor can be the foundation of many practical applications. By combining it with components like solenoid valves and water turbine generators, you can build complete smart water systems for homes, gardens, or farms. The sensor works like a stethoscope for water pipes, helping you diagnose water flow issues and monitor pressure levels in real-time. With its waterproof design, it can be used in various environments including indoor plumbing, outdoor water sources like rivers and lakes, and water storage tanks. This makes it an excellent choice for smart home control systems, Internet of Things (IoT) projects, and equipment monitoring applications where water pressure data is important. Features Pressure measurement range from 0 to 1.6 MPa for wide application possibilities High accuracy of 0.5% for reliable measurements in critical applications Waterproof rating of IP68 allowing use in fully submerged conditions Fast response time of less than 2.0 ms for real-time monitoring G1/4 thread with included G1/2 to G1/4 adapter for easy installation Operating temperature range from -20°C to 85°C for various environments Impressive service life of over 10 million measurements for long-term reliability DFRobot Gravity Analog Water Pressure Sensor Interfacing with Arduino Connection Diagram

15cm Camera Cable for Raspberry Pi The camera cable is compatible with NoIR camera for Raspberry Pi. The 15cm Camera Cable can be used for Raspberry Pi 3 and Raspberry Pi 2. Ribbon Cable with FFC contacts (Opposite-sided).

XD-621 Induction Touch Switch The Induction touch switch is an isolated touch sensor switch, applicable to all types of lamps on the medium (such as glass, acrylic, plastic, ceramic, etc.), such as energy-saving lamps, H tubes, LED lamps, and various household appliances. It has an on-chip active low noise PGA with selectable gain of 3264 and 128. The on-chip power supply regulator for load-cell and ADC analog power supply. On-chip active low noise PGA with selectable gain of 3264 and 128. On-chip power supply regulator for load-cell and ADC analog power supply. Installation process: Note: Before installation, please turn off the main power. Set a touchpoint in the mirror, the diameter of the contact point should be 9-10mm, first of all, must remove the mercury from the mirror around the point of contact, the size for the removable mercury should be 1.5-2mm; Make a grid in the middle of the touchpoint, there are three lines of the arrow on the cover of the switch, when installed, the three lines of the arrow should align with any of the three lines of the lattice and can touch to control whether after aligning the direction, now remove the paster from the touch plate, and then can install the touch switch on the mirror, after that, you can correct it using other things to avoid falling. Applications: Household appliances Energy-saving lamp LED lamps

X9 3411 cw/ccw Blade Drone Propeller The X9 3411 CW/CCW Blade Drone Propeller is engineered to boost the performance and reliability of agricultural drones. Built using a robust blend of carbon fiber and nylon alloy, these 34×11-inch folding propellers combine strength with lightweight construction for efficient power transfer and longer flight durations. The foldable design not only helps in reducing drag and noise but also enhances flight stability. Thanks to precision dynamic balancing, the propellers minimize vibrations, ensuring better control and less strain on the drone's components. Compatible with a wide range of drone models and motor systems, these propellers are a trusted upgrade for professionals seeking high-performance aerial solutions in agriculture. Features: Exceptional durability and robustness provide long-term viability. withstands collisions and environmental conditions. Torque distribution is balanced to ensure effective propulsion. Compatible with a variety of drone types and motor configurations. Precision-engineered design ensures smooth and stable flight. Trusted for a variety of recreational and professional uses.

1/2 Inch Brass Water Flow Sensor SEN-HZ21WI The SEN-HZ21WI water flow sensor is a device that is used to measure the flow rate of water. It consists of a turbine-type rotor that is placed in the water stream, and as the water flows past the rotor, it causes the rotor to spin. The sensor measures the speed of the rotor and converts it to a flow rate. The sensor has a digital output, which means that it provides a digital signal that can be read by a microcontroller or other host device. The sensor is commonly used in applications such as irrigation systems, water treatment plants, and industrial process control. It can easily measure water (liquid) flow in your application using this 1/2" Brass water flow sensor . This is a good quality flow sensor with a brass body and can be used for industrial and commercial applications. This half-inch water flow sensor is used extensively in various types of vending machines. Working of a Flow Sensor: The water flow sensor consists of a copper body, a water rotor, and a hall-effect sensor. When water flows through the rotor, the rotor rolls, its speed changes with different rates of flow. And the hall-effect sensor outputs the corresponding pulse signal. This water flow sensor is connected in line with the liquid whose flow rate has to be measured. There is a simple rotating wheel with a magnet and when the liquid flows the wheel is rotated and a hall effect sensor measures how many times the wheel is rotated and accordingly gives pulses. By counting the number of pulses you can easily calculate the flow rate as well as the amount of liquid dispensed. Note: When magnetic material is close to the sensor, its characteristics may vary. In order to avoid particle debris, the sensor must be installed after a filter. The flow sensor installation has to avoid strong vibration and shaking of the environment, so as not to affect the sensor's measurement accuracy. Applications: Widely used in water industrial fields Thermostatic water heaters Water purifiers Water dispensers Smart card equipment Coffee machines Electric hot water heater Gas water heater Instrument meter

1/4 Inch Brass Water Flow Sensor SEN-HZ41WC The SEN-HZ41WC water flow sensor is a device that is used to measure the flow rate of water. It consists of a turbine-type rotor that is placed in the water stream, and as the water flows past the rotor, it causes the rotor to spin. The sensor measures the speed of the rotor and converts it to a flow rate. The sensor has a digital output, which means that it provides a digital signal that can be read by a microcontroller or other host device. The sensor is commonly used in applications such as irrigation systems, water treatment plants, and industrial process control. It is often preferred over other types of flow sensors because it is easy to install and has a low cost. Now easily measure water (liquid) flow in your application using this 1/4" Brass water flow sensor. This is a good quality flow sensor with a brass body and can be used for industrial and commercial applications. This 1/4 inch water flow sensor is used extensively in various types of vending machines. Note: When magnetic material is close to the sensor, its characteristics may vary. In order to avoid particle debris, the sensor must be installed after a filter. The flow sensor installation has to avoid strong vibration and shaking of the environment, so as not to affect the sensor's measurement accuracy. Applications: Widely used in water industrial fields Thermostatic water heaters Water purifiers Water dispensers Smart card equipment Coffee machine

3pin Percussion Knocking Knock Sensor Module The Tap sensor module is a piezoelectric device, which creates an electrical signal when mechanically deformed by a tap or knock, is commonly used as the sensor. The sensor module most likely contains the piezoelectric element as well as extra circuitry to amplify and condition the piezoelectric element's output signal. The sensor's output can be a digital signal, such as a change in voltage level or a pulse, that can be read by a microcontroller or other device. These sensors have a wide range of applications, including security systems, human-machine interfaces, and toys, where the detection of a tap or knock is required. Knock sensor module and a digital 13 interface, built-in LED build a simple circuit to produce percussion flasher. Interface comes with digital LED, will knock sensor connected digital 3 interface, when percussion sensor senses measure to percussive signals, LED flashing light.