1 Inch Water Flow Sensor YF-G1 DN25 The YF-G1 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 water flow sensor is mainly composed of a plastic valve body, a water flow rotor assembly, and a Hall sensor. It is installed on the water inlet end of the water heater to detect the water flow rate. When the water passes through the water flow rotor assembly, the magnetic rotor rotates and the speed changes with the flow rate. The Hall sensor outputs the corresponding pulse signal and feeds it back to the controller. The device judges the size of the water flow and regulates it. Precautions for Use: Severe impact and chemical erosion are strictly prohibited. Throwing or collision is strictly prohibited. The temperature of the medium should not exceed 120 degrees If the water quality is too bad, please add a filter at the water inlet. Do not use beyond the flow range Applications: Water heaters Water vending machine Flow measurement device Automatic water dispenser Agriculture Food processing Coffee/Tea makers Water Management read our blog explaining the rain sensor working principle, which provides information about raindrop sensors and their working principle. Package Includes: 1 x Water Flow Sensor YF G1 Specifications: Sensor Type  Water Flow Sensor  Model  YF G1 Water Flow Sensor  Water pressure resistance = >2MPa Operating Temperature -20~85C Insulation resistance >100MΩ Dimensions  5 x 5 x 5 cms  Weight  50 grams

GT2 Open Timing Belt 6mm Width Pitch 2mm for 3D Printer The GT2 open timing belt is suitable for dishwashers, packaging machinery, motorcycles, automobile, dryer, food machinery, inkjet printer, conveyor, bonders etc. Package Includes: 1 x GT2 Open Timing Belt Specifications Pitch 2mm belt height 1.38m tooth height 0. 75mm Material Rubber rubber width 6mm Weight  15 grams

1 Metre 24 SWG Nichrome Wire Nichrome wire is made of a non-magnetic alloy composed primarily of nickel, chromium, and iron. Nichrome is characterized by its high resistivity and good oxidation resistance. Nichrome wire also has good ductility after use and excellent weldability. Cr20Ni80 belongs to a kind of electro thermal alloy. Which has stable structure and electrical physical performance in addition, good high temperature mechanical property, fine cold plastic deformation and weldability, as a result of which it cannot have the brittle fracture due to long term use. The alloy is widely used in manufacturing the household appliance and heating elements below the working temperature of 1000C. Nichrome wire, is a composite of 80% nickel and 20% chrome, creating a tough hard to bend wire, with a high temperature tolerance, it is used for a range of applications, including foam cutting, interior ribbing for clay models, heating elements in RepRap 3D Printers and much more. Nichrome wire is the perfect solution for any industrial or electrical application. This high-quality material has been used throughout history as a reliable and cost-effective way to conduct electricity due to its excellent mechanical properties, chemical stability, resistance to oxidation over time, and long service life. Nichrome not only conducts power efficiently but also boasts tremendous versatility since it can be formed into various shapes by simply bending or cutting without compromising performance. Furthermore, nichrome requires minimal maintenance so you don't have worry about upkeep when using this superior product in your work environment - saving both time and money! Whether you need an ultra fine wire coil for precision applications like medical devices or robust cable assemblies that are sure to withstand harsh conditions; our range of 1 metre 24 swg nichrome wires will provide great value at unbeatable prices with delivery times second-to-none!

1 Ohm Resistor - (Pack of 10) The 1 ohm Carbon Film Resistors are typical axial-lead resistors, which have much better temperature stability and provide lower noise, and are generally better for high frequency or radiofrequency applications. A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, resistors are used to reduce current flow, adjust signal levels, to divide voltages, bias active elements, and terminate transmission lines, among other uses. Resistor Colour Code Chart: Package Includes: 10 x 1 Ohm Resistors Specifications: Resistance  1 Ohm Resistors Material  Carbon Film Resistors Power (Watts) 0.25W, 1/4W Tolerance +/- 5% Case Axial  Dimensions  0.094" Dia x 0.248" L (2.40mm x 6.30mm) Weight  5 grams

1045 Carbon Fiber CW CCW Quadcopter Propeller  The 1045 propeller set is a carbon fiber propeller set that is designed and manufactured specifically for DIY multicopters and quadcopters. The orange carbon fiber propellers are best used with being used with our A2212 1000KV, 1400KV, 1800KV and 2200kV motors and our 30A ESC.  The 1045 quadcopter propellers are made for high endurance and flexibility and are engineered to improve air-powered efficiency and aerofoil stability. For easy and fine usage it features quick-to-release and quick-to-attach abilities. Package Includes: 1 x clockwise 1045 propeller 1 x anticlockwise propeller 1 x hole set Specifications: Propeller Type  1045 Propeller Material  Carbon Fibre Length 10 inch Pitch 4.5 inch Shaft Diameter 7.7 mm Colour  Orange  Weight  25 grams

1 Pair Quadcopter 1045 Carbon Fiber CW CCW Yellow Propeller The 1045 propeller set is a carbon fiber propeller set that is designed and manufactured specifically for DIY multi-copters and quadcopters. The orange carbon fiber propellers are best used with our A2212 1000KV, 1400KV, 1800KV, and 2200kV motors and our 30A ESC.  The 1045 quadcopter propellers are made for high endurance and flexibility and are engineered to improve air-powered efficiency and aerofoil stability. For easy and fine usage it features quickly-to-release and quick-to-attach abilities. PACKAGE INCLUDES: 1 x clockwise 1045 propeller 1 x anticlockwise propeller 1 x hole set Specifications: Propeller Type  1045 Propeller Material  Carbon Fibre Length 10 inch Pitch 4.5 inch Shaft Diameter 9.5 mm Colour  Yellow Weight  25 grams

1x4 Matrix Keypad 1x4 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs. This 4-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications. The Keypad 1x4 features a total of 4 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 5-pin berg connector is required for interfacing it with your microcontroller circuits. Features : Ultra-thin design & adhesive backing provides easy integration to any project Excellent price-performance ratio Easy communication with any microcontroller This allows a microcontroller to ‘scan’ the 5 output pins to see which of the 4 buttons is being pressed Product Includes: 1 x 1x4 Membrane Keypad Specifications: Voltage(V) DC 35V Operating Current (A) 100mA Contact Resistance 500Ω Dimensions(mm) 110 x 70 x 1 (L x B x H) Weight (gm) 2 g

1-CH 12V Relay Board This is a small and easy to use 1 channel relay board that operates on 12V. Use it to control one 240V power appliance directly from Arduino, Raspberry Pi, and other microcontrollers or low voltage circuits. Perfect for switching 240V appliances – lights, fans, etc, and even high power motors at lower voltages. The board uses a high-quality relay, which can handle a maximum of 10A/250 V AC or 15A/125V AC. Each relay has all three connections – Common, Normally Open, Normally Closed brought out to 3 pin screw terminals which make it easy to make and remove connections. The board has a power indication and a relay status LED to ease debugging. The board can accept control inputs within a wide range of voltages from 4V to 12V. Power input and relay control signals are brought to header pins on the board. Hence, the board can be easily interfaced with our development boards using our female-to-female jumper wires. Package Includes: 1 x 1-CH 12V Relay Board Specifications: Trigger Current 20mA Switching Voltage AC250V 10A Switching Voltage DC 30V 10A Operating Temperature -40°C to 85°C Opt. Relative Humidity(RH) 20% ～ 85% Storage condition – 65°C to 125°C Dimensions (mm) 48 x 29 x 17 (L x B x H) Weight 15 gm

1.3 inch I2C OLED Display Module 4pin Blue Color This is the 1.3-inch blue OLED display module. Using I2C protocols, the display module can communicate with any microcontroller. It has a resolution of 128x64. OLED (Organic Light-Emitting Diode) is a self-lighting technology that consists of a thin, multi-layered organic film sandwiched between an anode and a cathode. OLED, unlike LCD technology, does not require a backlight. This has a wide range of applications and is widely regarded as the ultimate technology for the next generation of flat-panel displays. The basic structure of an display module is made up of organic materials sandwiched between the cathode and the anode, which is made of electric conductive transparent Indium Tin Oxide (ITO). The organic materials combine to form a multi-layered thin film that includes the Hole Transporting Layer (HTL), Emission Layer (EML), and Electron Transporting Layer (ETL) (ETL). By applying the appropriate electric voltage, holes and electrons from the anode and cathode are injected into the EML. Inside the EML, holes, and electrons combine to form excitons, which cause electroluminescence. The key factors that determine the quality of OLED components are the transfer material, emission layer material, and electrode selection. If you want to use this 1.3 inch OLED display module in your Arduino project, that you will need a few essential components like Jumper wires Breadboard Batteries or power supply Pin Description: GND: Power ground VCC: Power positive SCL: Clock wire SDA: Data wire.

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. Package Includes: 1 x Water Flow Sensor YF - DN40 Specifications Sensor Type  Water Flow Sensor  Model  YF - DN40 Output voltage 5V Insulation resistance 100M Ohm Hydrostatic pressure <= 1.75MPa Dimensions  5 x 4 x 3cms  Weight  50 grams