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18650 Battery Holder 3 Cell
An 18650 battery holder for three cells is a convenient accessory for securely holding three 18650 lithium-ion batteries, commonly used in various electronic projects and devices.
Here are some key features:Compatibility: Designed specifically for 18650 lithium-ion cells, which typically have a nominal voltage of 3.7V each.
Material: Often made from durable materials like ABS plastic and metal, ensuring both safety and longevity.
Polarity Identification: Clearly marked with positive (+) and negative (-) terminals to ensure proper orientation and connection.
Spring Retention: Equipped with a spring mechanism to securely hold the batteries in place, preventing movement and ensuring a stable connection.
Dimensions: Typically around 81 mm x 41 mm (approximately 3.19 inches x 1.61 inches), making it compact and easy to integrate into various projects.
Mounting Options: Some holders come with mounting holes or clips for easy installation on PCBs or other surfaces.
Series or Parallel Connection: Can be used to connect the three cells in series or parallel, providing a combined voltage of 11.1V (series) or 3.7V (parallel) depending on your project requirements.
Applications
DIY Projects: Ideal for custom electronics projects, such as building battery packs, portable chargers, and DIY gadgets.Robotics: Used in robotics to power motors, sensors, and other components.
Portable Devices: Suitable for powering portable devices like flashlights, radios, and other handheld electronics.
Educational Kits: Great for educational kits and projects, helping students learn about battery technology and electronics.
Small Production Runs: Suitable for small-scale production of custom electronics, allowing for rapid iteration and testing.
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Others
18650 Battery Holder 2 Cell
An 18650 battery holder for two cells is a convenient accessory for securely holding two 18650 lithium-ion batteries, commonly used in various electronic projects and devices.
Here are some key features:Compatibility: Designed specifically for 18650 lithium-ion cells, which typically have a nominal voltage of 3.7V each.
Material: Often made from durable materials like ABS plastic and metal, ensuring both safety and longevity.
Polarity Identification: Clearly marked with positive (+) and negative (-) terminals to ensure proper orientation and connection.
Spring Retention: Equipped with a spring mechanism to securely hold the batteries in place, preventing movement and ensuring a stable connection.
Dimensions: Typically around 77.1mm x 20.6mm x 14.9mm, making it compact and easy to integrate into various projects.
Mounting Options: Some holders come with mounting holes or clips for easy installation on PCBs or other surfaces.
Series Connection: Can be used to connect the two cells in series, providing a combined voltage of 7.4V.
Applications
DIY Projects: Ideal for custom electronics projects, such as building battery packs, portable chargers, and DIY gadgets.Robotics: Used in robotics to power motors, sensors, and other components.
Portable Devices: Suitable for powering portable devices like flashlights, radios, and other handheld electronics.
Educational Kits: Great for educational kits and projects, helping students learn about battery technology and electronics.
Small Production Runs: Suitable for small-scale production of custom electronics, allowing for rapid iteration and testing.
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Sensor Boards And Modules
4 way IR Array Sensor
A 4-way IR sensor array is a versatile component used in various applications such as robotics, automation, and line-following projects. Here are some key features:
Working Voltage: Typically 3.3V to 5V DC.
Detection Range: Adjustable, usually from 1mm to 60cm.
Output: Digital output indicating the presence of an object.
Mounting: Comes with mounting holes for easy installation on PCBs.
Applications: Commonly used in line-following robots, obstacle detection, and grid navigation.
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Sensor Boards And Modules
MT8870 DTMF Voice Decoding Module
The MT8870 DTMF Decoder Module is a handy tool for decoding telephone dial tones. Here are its key features:
DTMF Decoding: Converts dial tones to 4-bit binary output.
Voltage: Operates at 4.5V to 5.5V.
Audio Input: Receives signals via a 3.5mm audio jack.
Output: 4-bit digital output corresponding to the pressed key.
LED Indicators: Visual output state indicators.
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Relay And Relay boards
Omron G2RL-2-24vdc General Purpose Relay
The OMRON G2RL-2-24V Relay is a versatile and reliable general-purpose relay designed for a variety of applications. Here are some key specifications:
Type: DPDT (Double Pole Double Throw)
Coil Voltage: 24VDC
Contact Rating: 8A
Switching Voltage: 440VAC, 300VDC
Contact Material: Silver Alloy (Ag)
Mounting Style: Through Hole
Coil Resistance: 1.44 kOhms
Coil Current: 16.7 mA
Dimensions: 29 mm (L) x 12.7 mm (W) x 15.7 mm (H)
Weight: 17 g
This relay is non-latching and is typically used in applications requiring reliable switching of electrical loads. It’s a compact and efficient solution for various industrial and commercial uses.
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Drone Spare Parts And Accessories
Q250 Carbon Fiber Frame
The Q250 carbon fiber frame is a durable and lightweight option for FPV racing and aerial photography drones:
Here are it`s key features:
Material: High-quality carbon fiberWheelbase: 250 mm
Weight: Approximately 160 g
Arm Thickness: 4 mm
Camera Mounting: Vibration-free bracket
Color-Coded Arms: For easy orientation
Applications
FPV RacingVideo Recording
Educational Projects
DIY Hobby Projects
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Drone Spare Parts And Accessories
ESC 30A Yellow With Connectors Soldered
Electronic Speed Controllers (ESC) like the 30A models are essential components in RC aircraft and drone systems. They regulate the power supplied to the electric motors, ensuring smooth and efficient performance.
Here are some general features of 30A ESCs:
Current Rating: 30A continuous, with a burst capacity of around 40A.
Voltage Range: Typically supports 2-4S LiPo batteries.
BEC Output: Often includes a Battery Eliminator Circuit, usually providing 5V output.
Compatibility: Works well with a variety of brushless motors.
Programming Options: Some models offer programmability for setting parameters like timing, throttle range, etc.
Protection: Usually includes features like overheat protection, low voltage cut-off, and signal loss protection.
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Drone Spare Parts And Accessories
F550 Hexacopter Frame
The F550 hexacopter frame is a robust and versatile option for building hexacopters. Here’s a quick overview:
Material: Glass fiber and Polyamide-Nylon composite
Wheelbase: 550 mm
Integrated PCB: Simplifies power distribution
Color-Coded Arms: For easy orientation (red, white, and black)
Weight: Approximately 550 g (including landing gear)
Arm Size: 220 x 55 mm
Applications
Custom hexacopter buildsEducational projects
Professional use (aerial photography, videography)
DIY hobby projects
This frame offers a reliable and sturdy foundation for various hexacopter-building needs.
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Sensor Boards And Modules
Arduino TFT Shield 3.5 inch With Touch
The 3.5-inch TFT for Arduino with Touch is a high-resolution display module that provides a clear and interactive touchscreen interface for your Arduino projects.
Here are some key features:Display Size: 3.5 inches
Resolution: 320×480 pixels
Color Depth: 65K colors (16-bit color)
Display Type: IPS for wide viewing angles
Touchscreen Interface: Capacitive touch sensors
Operating Voltage: 3.3V to 5V
Interface: 8-bit parallel port communication
Applications:
Ideal for projects requiring a large display, such as digital picture frames, gaming consoles, and home automation systems.SKU: n/a -
Electronic Components
LCD 16×2 with I2C
The 16×2 LCD with I2C Module simplifies display in projects. Here are its key features:
Display Size: 16 columns, 2 rows
I2C Interface: Reduces wiring, uses only two data pins
Power Supply: 5V operation
Backlight: Enhanced visibility
Compatibility: Works with Arduino, Raspberry Pi, etc.
Ideal for displaying sensor data, creating user interfaces, and educational projects.
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Batteries And Chargers
5v USB Lithium Battery Powerbank Charging Boost Module
A USB 5V step-up module is used to boost a lower voltage (typically from a battery) to a stable 5V output, which is commonly required by USB-powered devices. Here are some key features:
Technical Specifications:
Input Voltage: 0.9V to 5VOutput Voltage: 5V DC
Output Current: 500-600mA
Load Regulation: ±1%
Voltage Regulation: ±0.5%
Applications:
Charging USB devices like mobile phones, cameras, and other USB-powered gadgetsSKU: n/a -
Motors And Motor Drivers
ULN2003 Stepper Motor Driver Module
The ULN2003 Driver Module is a 7-channel Darlington transistor array used to control stepper motors like the 28BYJ-48.
It handles 5V to 12V and up to 500mA per channel, with LED indicators showing output status.
Ideal for robotics and DIY projects.
Here are its key features
Voltage: 5V to 12VChannels: 7
Current: 500mA per channel
Indicators: 4 LEDs for output status
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Motors And Motor Drivers
5v Stepper Motor 28BYJ-48
The 28BYJ-48 stepper motor is a popular choice for DIY projects and robotics due to its affordability and ease of use. Here are some key features:
Rated Voltage: 5V DC
Step Angle: 5.625° per step
Reduction Ratio: 64:1
Torque: Approximately 34.3 mN.m
Speed: Around 15 RPM
Wiring: 5-wire unipolar configuration
It’s often paired with a ULN2003 driver board for easy control with microcontrollers like Arduino. This motor is great for applications requiring precise positioning
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Sensor Boards And Modules
MP3-TF-16P Mini MP3 With SD Card Module
The MP3 module supports MP3, WAV, and other audio formats, playing files from a micro SD card with a 3.2V to 5.2V DC power supply. It provides analog audio output and can be controlled via serial communication, making it perfect for music players, voice prompts, and DIY projects.
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