This is an Arduino Uno USB cable designed to connect an Arduino Uno board to a computer. It transfers data and supplies power. It is an essential accessory commonly used by hobbyists, students, and engineers for uploading code and testing microcontrollers in various electronic projects.

This is a small 5-volt water pump that runs on low voltage DC power. It moves liquid when powered. It is commonly used in hobby projects like automated plant watering systems, small desktop water fountains, mini aquarium setups, and liquid cooling experiments.

This is an ESP8266 microcontroller module with built-in Wi-Fi capabilities. It lets your electronic projects connect to the internet easily. It is commonly used for Internet of Things projects, smart home automation, wireless sensor nodes, and controlling devices remotely over a local network.

This is a standard Light Emitting Diode, or LED. It glows when electricity passes through it and uses very little power. It is commonly used as a visual indicator light, status display, or lighting element in almost all kinds of electronic projects and circuits.

This is an RS485 to TTL converter module. It allows microcontrollers to communicate over long distances using the RS485 protocol. It is commonly used in industrial automation, smart grid monitoring systems, and long-range wired communication between multiple electronic devices.

This is an SG90 servo motor that can rotate precisely between 0 and 180 degrees. It is lightweight and includes control horns. It is commonly used in RC airplanes, robotic arms, automated door locks, and camera pan-tilt mechanisms where precise angle control is needed.

This is a DHT22 sensor used to measure ambient temperature and relative humidity. It gives digital readings to your microcontroller. It is commonly used in weather stations, greenhouse monitoring systems, smart home climate control, and HVAC testing projects.

This is a MAX30102 heart rate and pulse oximetry sensor. It uses optical technology to measure blood oxygen levels and heart rate from your fingertip. It is commonly used in wearable health monitors, fitness trackers, and biomedical DIY projects.

This is a 1kg load cell weight sensor. It measures pressure and weight by converting force into an electrical signal. It is commonly used with HX711 amplifier modules to build digital kitchen scales, small postal scales, and custom force-measuring gadgets.

This is a 5kg load cell sensor designed to measure weight and force up to 5 kilograms. It works with signal amplifiers to read weight accurately. It is commonly used in small digital bathroom scales, bench scales, and object-weighing automation projects.

This is a 10kg load cell sensor that measures up to 10 kilograms of weight or pressure. It outputs small electrical changes based on the load applied. It is commonly used in medium-duty weighing scales, smart luggage weighers, and industrial automation prototypes.

This is soldering wire made of metal alloy used to join electronic components onto circuit boards. It melts easily with a soldering iron to create strong electrical connections. It is an essential supply for electronics repair, DIY kit building, and prototyping.

This is an INA219 current sensor module. It measures both voltage and DC current flowing through a circuit using the I2C communication protocol. It is commonly used in power monitors, battery management systems, solar power loggers, and energy consumption meters.

This is a flexible 4x3 membrane keypad with twelve push buttons in a grid layout. It provides an easy way for users to input numbers or commands. It is commonly used in security door locks, calculator projects, and menu navigation systems for microcontrollers.

This is a flexible 4x4 membrane keypad featuring sixteen buttons arranged in rows and columns. It allows users to type codes or data into a circuit. It is commonly used in digital security keypads, access control systems, and custom user input interfaces.

This is an LDR module that uses a light-dependent resistor to detect ambient light levels. Its output changes depending on how bright or dark it is. It is commonly used in automatic street light controllers, solar trackers, and darkness-activated night lights.

This is an ACS712 5A current sensor module. It measures both AC and DC electrical current safely using the Hall effect. It is commonly used in power meters, overcurrent protection circuits, motor current monitors, and energy-saving DIY projects.

This is an ACS712 30A current sensor module designed to measure higher electrical currents up to 30 amperes safely. It isolates the circuit being measured from your control board. It is commonly used in heavy-duty power monitors, solar setups, and electric motor diagnostics.

These are standard electrical switches used to manually open or close an electrical circuit. They let you turn power on and off easily. They are commonly used on the control panels of electronic devices, household appliances, and custom DIY project boxes.

This is a DC power jack connector used to plug external power adapters securely into circuit boards or project enclosures. It provides a stable connection for DC power. It is commonly used in DIY electronics power inputs, pedal boards, and custom hardware devices.