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A BLHeli 40A Electronic Speed Controller (ESC) is a component for brushless motors in RC aircraft like drones. The 40A indicates the continuous current the ESC can handle. When selecting an ESC, you should consider the firmware version (BLHeli_S vs. BLHeli32) and whether you need a single ESC or a 4-in-1 ESC.

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The N20 DC 3V metal gear motor is a small, lightweight DC motor with an integrated gearbox. This provides a low revolutions-per-minute (RPM) and a high torque output, making it ideal for miniature robots, model cars, and other compact DIY electronics

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The Flysky FS-i6S is a 10-channel, 2.4GHz radio transmitter that uses the AFHDS 2A digital protocol for RC models like drones, airplanes, and helicopters. It features a user-friendly color touchscreen for easy setup and adjustments.

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Many high-torque, 20kg servo motors are available for hobbyist applications, like robotics and RC cars. Common models often feature metal gears for durability, waterproof designs for versatile use, and digital circuitry for precise control.

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You can find a wide selection of 35kg servo motors, with variations in control type, gear material, motor type, and operating voltage. Popular models include the DSServo RDS3235, Pro-Range CLS3335, and DYS - GOTeck GC3507MG, which are often used in robotics, RC vehicles, and drones.

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The Raspberry Pi 4 Model B (4GB RAM) is a single-board computer released in June 2019. With its improved processor, memory, and connectivity, it offers a major upgrade over its predecessor, the Raspberry Pi 3 Model B+. It provides desktop-like performance and is used for a variety of applications, including embedded systems, robotics, and media centers.

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The Wrroom-32 Development Board NA396 Wifi Bluetooth Ble is a mistyped and potentially mismatched search query for a development board. This query actually refers to an ESP32 development board, which uses the ESP-WROOM-32 module. The term "NA396" appears to be an internal product code from a specific vendor, D&V Engineering, which offers an ESP32-WRROOM-32 NA396 WIFI+BLUETOOTH+BLE board.

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The Ai Thinker ESP32-CAM is a widely available development board that includes both Wi-Fi and Bluetooth, along with an OV2640 camera. While your query specified "no Bluetooth," nearly all standard ESP32-CAM modules integrate both wireless protocols. The Bluetooth functionality is present but does not have to be utilized for projects focused solely on Wi-Fi.

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A blue-backlit LCD1602 with an I2C module is a 16x2 character display that shows white text on a blue background, designed for easy connectivity with microcontrollers like an Arduino. The I2C module simplifies wiring by reducing the required pins from over 10 to just four: VCC, GND, SDA, and SCL

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The TCS3200 color sensor module is a versatile and cost-effective sensor used for detecting and measuring a wide range of visible colors. It is a complete color detector that converts light intensity into a digital square wave output whose frequency is directly proportional to the intensity of the detected color. 

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A 4-inch fan is a compact air-moving device typically used for cooling electronics, ventilating small spaces, or boosting airflow within ducts. They are defined by their 4-inch diameter and can be either axial or inline fans, depending on their intended use

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1.5-inch fans are 40mm (40x40mm) brushless DC fans used for cooling electronic components in computer cases, 3D printers, and other small devices. You can find them in various specifications based on voltage, thickness, and bearing type. 

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A 5-inch fan is a compact air-moving device, often used for personal cooling or in small, specific applications. Given its size, it is not suitable for cooling a room but is effective for targeted airflow. Five-inch fans are available in various styles, including portable USB desk fans, computer case fans, and small exhaust fans. 

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70x70mm solar panels are widely available for DIY electronics, educational science projects, and small-scale charging applications. They are most commonly sold as polycrystalline silicon modules with an epoxy coating for durability

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9V Original HW Battery is best suited for all your project and application needs. As we experienced the use of this battery in our testing lab for various purpose, we can assure you the best quality, long life and genuineness of this battery among all options available in the market at this cost. 

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110 x 69mm 5V 180mA Mini Solar panel Cell ModuleIntroducing the 110 x 69mm 5V 180mA Mini Solar Panel, a versatile and efficient solar energy solution. This compact solar panel measures 110 x 69mm, making it suitable for various small-scale projects and applications. With its 5V output and 180mA current capacity, this mini solar panel provides a reliable power source for electronic devices and DIY projects.Ideal for solar-powered chargers, outdoor lighting, and educational experiments, the 110 x 69mm Mini Solar Panel offers flexibility and convenience. Its compact size and lightweight design make it easy to install and integrate into different setups. Whether you’re a hobbyist or a professional, this mini solar panel provides an eco-friendly and sustainable energy solution for your needs.Specification SpecificationDescriptionDimensions110mm x 69mmMaximum Power Output0.9 Watts (5V x 180mA)Voltage Output5VCurrent Output180mACell TypePolycrystalline SiliconOperating Temperature-40°C to 85°CStorage Temperature-40°C to 85°CConstructionWaterproof, weather-resistant designMountingPre-drilled holes for easy mountingConnectorNone (soldering or wire attachment)Weight[Insert Weight]MaterialHigh-quality materialsApplicationSuitable for small solar projects, charging small devicesSKURW-1231

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2-inch fans are available for different applications, with the most common being small DC cooling fans used for electronics. When choosing a fan, consider the required voltage, size, and intended use 

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An 8-70V LCD battery capacity indicator voltmeter is a small, digital electronic component used to monitor the voltage and remaining charge of batteries. It is compatible with a wide range of battery chemistries and voltages, typically including 12V, 24V, 36V, and 48V systems. These are popular for use in electric vehicles, solar power systems, RVs, and DIY projects

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The AD8232 ECG measurement kit is a popular tool for electronics hobbyists, students, and DIY projects, especially when paired with microcontrollers like Arduino or ESP32. It is designed to capture, amplify, and filter the small electrical signals of the heart to produce an analog ECG waveform.

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create a 5kg digital scale, you will need a 5kg load cell sensor and an amplifier module like the HX711. The HX711 is a 24-bit analog-to-digital converter (ADC) that amplifies the small voltage signal from the load cell into a digital reading for a microcontroller,

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  20kg weighing load cell sensor is a strain gauge that converts up to 20 kilograms of pressure into a proportional electrical signal, typically made of aluminum alloy. This sensor is used to measure weight, sense changes in weight over time, or detect the presence of an object by measuring the strain applied to a surface. It commonly features four wires and can be connected to a microcontroller using an ADC module like the HX711 for accurate digital readings.  

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8650 cell holder in a series-parallel configuration with wire leads is a specialized device for managing rechargeable lithium-ion batteries. The holder keeps the batteries securely in place and provides external wires, allowing you to create custom battery packs with higher voltage, higher capacity, or both

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AAA-3 cell holder with an open wire is a simple plastic case designed to hold three AAA batteries in series, providing a total of $4.5$V for electronic projects. It has pre-attached red and black wires for easy connection to a circuit, and its open design allows for quick battery changes. These holders are commonly used for DIY electronics, toys, and small gadgets.

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A 12V/220V digital temperature controller is a versatile device that can be powered by either 12V DC or 220V AC and is used to regulate the temperature in a variety of settings. It uses a sensor to monitor the temperature and a relay to switch on or off a connected device, such as a heater or cooler, to maintain a preset temperature. 

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Multiple brands offer 40mm Peltier water cooling blocks designed for use with thermoelectric cooler (TEC) modules in DIY projects. These aluminum blocks are built with internal channels to maximize heat transfer from the TEC to the circulating water. 

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AA-2 cell holder open with wire" is a standard plastic battery holder for two AA batteries, designed with an open-frame case and pre-attached wire leads for easy connection. The two batteries are held in series, providing a total output of 3V when using standard 1.5V alkaline batteries. These holders are widely used for DIY electronics projects, robotics, and educational kits

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Peltier water cooling plates with dimensions of 40x40x12mm are compact aluminum heat sinks designed to be used with a thermoelectric Peltier module (such as the TEC1-12706) for effective liquid cooling. The plate is an extruded block with internal channels for water to flow through, enhancing heat dissipation away from the Peltier module

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A dual USB digital voltmeter with a battery display is typically a small module for DIY projects or a built-in feature of a car charger. These modules can be wired into a 12V system, like a car or boat, to provide a digital readout of the battery's voltage and charge level, while also offering two USB ports for charging devices. 

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The MLX90614 is a non-contact infrared temperature sensor that measures the temperature of an object by detecting its emitted thermal radiation. This sensor is known for its high accuracy, small size, and ease of integration into projects using a microcontroller like Arduino.

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A 7-in-1 soil sensor is a multi-parameter device used in precision agriculture to measure critical soil properties in real-time. These sensors consolidate multiple functions into a single probe, providing data on nitrogen (N), phosphorus (P), potassium (K), electrical conductivity (EC), pH, temperature, and humidity

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A pH sensor probe, or electrode, is the part of a pH meter that measures the acidity or alkalinity of a liquid. It works by measuring the voltage difference between a hydrogen ion-sensitive glass electrode and a stable reference electrode. The proper probe to use depends on the application, with different types suitable for laboratory, industrial, or home use.

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A 70x70mm square solar panel is a small, encapsulated photovoltaic module, often made with polycrystalline cells, for use in DIY electronics, educational science projects, and powering small devices. These panels convert sunlight directly into electricity and typically feature a durable epoxy resin coating that provides weather resistance. 

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The MPU-6050, commonly sold on a breakout board called the GY-521, is a 6-axis motion tracking device used in electronics projects. It combines a 3-axis accelerometer and a 3-axis gyroscope on a single chip, simplifying construction and measurement.

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Multiple vendors sell an open-style 6-cell AA battery holder with a 3x2 configuration and wire leads, which provides an output of 9V. Products fitting this description are available from electronics suppliers such as QBM India and Deltakit

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18650-2 cell holder series parallel open with wire" is a battery holder designed to hold two 18650 lithium-ion cells. It features an open design for easy access, and comes with pre-soldered wires for convenient connection. The holder is designed for you to configure the two cells in either a series or a parallel arrangement.

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The GY-271 is a breakout board for the HMC5883L, a 3-axis digital magnetometer used to measure the strength and direction of magnetic fields. It is commonly used as a digital compass for determining heading, with applications in navigation systems for robotics and drones. The board communicates with microcontrollers like Arduino and Raspberry Pi via the I²C protocol.

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The "T3110S 30W Mono Audio Amplifier Board" is a compact, high-efficiency Class-D amplifier module designed for DIY audio projects. It is based on the Texas Instruments TPA3110 chip and delivers up to 30 watts of mono output

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The search for "ESP32 CE MINI 4MB" yielded results that consistently refer to a popular Espressif module, the ESP32-C3-MINI-1-N4 4MB. The letters "CE" in the query likely represent a typo or a misnomer for the "C3" series of modules. The C3 series is known for being a low-cost, compact, and low-power ESP32 version featuring a RISC-V processor.

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An analog Total Dissolved Solids (TDS) sensor works by measuring the electrical conductivity of water, which is directly related to its TDS level. The connection process involves an analog TDS module, a waterproof probe, and a microcontroller like an

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An FT232RL USB-TTL Download Cable to Serial is a module or cable that uses the FTDI FT232RL chip to convert signals from USB to a standard TTL (Transistor-Transistor Logic) serial interface. This allows for communication between a computer's USB port and a microcontroller or other device that communicates using serial protocols, such as RS232, RS422, or RS485