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Integrated Circuits, Nodemcu And ESP
ESP32 Wroom 32d 4mb Chip (Espressif Original)
The ESP32-WROOM-32D is a powerful microcontroller unit (MCU) module developed by Espressif Systems, designed for a wide range of applications. Here are the key specifications:
Key Specifications
Processor: Dual-core Xtensa LX6 microprocessor, clocked at up to 240 MHz.Memory: 520 KB SRAM, 4 MB Flash storage.
Connectivity: Wi-Fi (802.11 b/g/n), Bluetooth (Bluetooth 4.2 BR/EDR and BLE).
GPIO Pins: 36 GPIO pins, including analog inputs.
Peripherals: Includes SPI, I2C, UART, PWM, capacitive touch sensors, and more.
Power Consumption: Optimized for low power consumption, with various power-saving modes
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Sensor Boards And Modules
GSM SIM 900A V4.0
The SIM900A V4.0 GSM GPRS Module is a compact and versatile communication module designed for wireless data transmission and mobile network connectivity. It features:
– Dual Power Supply Options: Supports 5V (VCC5) and 3.5–4.5V (VCC4) power inputs.
– Antenna Interfaces: Comes with SMA (default) and IPXmini antenna options for strong signal reception.
– Serial Communication: Compatible with TTL-level UART, supporting 3.3V and 5V microcontrollers.
– SIM Card Slot: Designed for 2G networks, supporting mobile phone 3G/4G cards.
– Low Power Mode: Standby mode consumes as low as 10mA, ensuring energy efficiency.
– Onboard Reset & Protection: Includes SMF05C ESD protection for SIM card circuits.
This module is widely used in IoT applications, remote monitoring, SMS-based control systems, and embedded projects requiring GSM/GPRS connectivitySKU: n/a -
DIY Kits
Arduino Uno Smd Starter Kit
The UNO Starter Kit typically includes a variety of components to help users learn and experiment with Arduino programming and electronics. A standard kit includes the following components:
– UNO SMD Board (ATmega328P-U)
– USB Cable for programming and power
– Breadboard for prototyping circuits
– Jumper Wires for connections
– Resistors (various values)
– LEDs (multiple colors)
– Push Buttons
– Header pin 40×1
– Buzzer
– Potentiometer
– IC 74HC595
– Transistors
– Tilt sensor
– LCD Display (16×2)
– Servo Motor
– Stepper Motor & Driver Module
– IR Sensor TSOP1838
– IR sensor with remote module
– Joystick module
– Temperature & Humidity Sensor
– Relay Module 1ch 5v
– Seven-Segment and Matrix Display
– Keypad Module
– RFID Module
– RTC module
– Water level sensor
– Sound sensorThese components allow users to build multiple basic and advance circuits, sensor-based projects, and IoT applications.
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Others
Adaptor 12v 2A
A reliable and efficient adapter delivering 12 volts at 2A, ideal for powering IoT devices, embedded systems, and consumer electronics. Built with high-grade components for stable output, over-voltage and short-circuit protection ensure safety and durability. Compact and lightweight, perfect for consistent power delivery in various applications.
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Others
Adaptor 5v 2A
A reliable and efficient adapter delivering 5 volts at 2A, ideal for powering IoT devices, embedded systems, and consumer electronics. Built with high-grade components for stable output, over-voltage and short-circuit protection ensure safety and durability. Compact and lightweight, perfect for consistent power delivery in various applications.
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Batteries And Chargers
Battery Pack Li-Ion 11.1v (3s) 2000mah with BMS
A 11.1V 2000mAh lithium-ion battery pack with BMS typically consists of three 18650 cells connected in series, providing a nominal voltage of 11.1V. The Battery Management System (BMS) ensures overcharge, discharge, and short-circuit protection, enhancing safety and longevity. These packs are widely used in portable electronics, robotics, solar applications, and backup power systems.
Provides a robust 11.1 V output, suitable for devices requiring higher voltage specifications for efficient performance.
Offers substantial power capacity, ensuring prolonged usage durations ideal for devices demanding sustained power.
Despite its high voltage, it maintains a compact and lightweight structure, facilitating integration into devices without adding excessive bulk.
Incorporates rapid-charging technology, enabling quick recharge times and reducing downtime for devices, ensuring swift availability.
Tailored for diverse device needs with customizable capacities and sizes.
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Batteries And Chargers
Battery Pack Li-Ion 7.4v (2s) 2000mah
A 7.4V 2000mAh lithium-ion battery pack consists of two 18650 cells connected in series, providing a nominal voltage of 7.4V. It is commonly used in DIY robotics, drones, GPS devices, and industrial equipment due to its compact size, rechargeable capability, and stable power output.
Provides a robust 7.4 V output, suitable for devices requiring higher voltage specifications for efficient performance.
Offers substantial power capacity, ensuring prolonged usage durations ideal for devices demanding sustained power.
Despite its high voltage, it maintains a compact and lightweight structure, facilitating integration into devices without adding excessive bulk.
Incorporates rapid-charging technology, enabling quick recharge times and reducing downtime for devices, ensuring swift availability.
Tailored for diverse device needs with customizable capacities and sizes.
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Sensor Boards And Modules
HX 711 Pressure Sensor Module
The HX711 pressure module is essentially a load cell amplifier used to measure pressure with high precision. Here are some key features:
24-bit A/D Converter: Provides high-resolution measurements.
Dual-Channel Input: Allows for two selectable differential input channels.
Selectable Gain: Offers gain settings of 32, 64, and 128 to accommodate different load cell types.
Two-Wire Interface: Uses Clock and Data lines for communication with a microcontroller.
Low Power Consumption: Operates within a voltage range of 2.7V to 5V.
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Raspberry Pi Board And Accessories
Raspberry Pi 4 Case Red & White
The official Raspberry Pi 4 Case in red and white is a popular choice. It’s made from strong ABS plastic and designed to provide protection while allowing access to all ports and the microSD card. Below are the key features:
Color: Features a striking strawberry red and white color with the Raspberry Pi logo etched onto the top.
Design: The case has cut-outs for all primary ports, including dual micro HDMI, Audio/Video, USB, Ethernet ports, and the USB-C power connector. It also provides access to the microSD card.
Accessibility: The side plate is removable, allowing easy access to the GPIO pins for any modifications or projects.
Fit: Provides a snug and secure fit, ensuring your Raspberry Pi 4 is well-protected while looking great.
Stability: Equipped with anti-slip feet to keep your Raspberry Pi stable on any surface.
Ease of Use: The case is designed for easy two-piece installation, making it simple to assemble and disassemble.
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Raspberry Pi Board And Accessories
Raspberry Pi 4 Official Power Supply 5v
The Raspberry Pi 4 requires a reliable power supply to ensure optimal performance and stability. Here’s an overview of the power supply requirements:
Key Specifications
Voltage: 5V DCCurrent: Minimum 3A (3000mA) recommended
Connector: USB-C
Power Consumption: Typically 2.7-3.0 watts, but can be higher with power-hungry peripherals or tasks
Importance of a Reliable Power Supply
A dependable power supply is crucial for:Stability and Performance: Ensures the Raspberry Pi runs smoothly, avoiding crashes or glitches.
Data Integrity: Prevents sudden power loss that can corrupt storage and lead to data loss.
Component Protection: Safeguards the Raspberry Pi’s components from electrical damage.
I/O Stability: Provides stable power to GPIO pins and peripherals.
Overclocking: Essential for stable overclocking for improved performance.
Network Connectivity: Prevents disruptions in network connections.
Longevity: Extends the Raspberry Pi’s lifespan. The official Raspberry Pi 27W USB-C Power Supply is recommended for the Raspberry Pi 4. It provides a stable 5V output and can supply up to 5A, ensuring sufficient power even under heavy loads.
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Sensor Boards And Modules
Laser Diode LM-1 650nm 5mW
The Laser Diode LM-1 is a versatile and compact laser module designed for various applications. Here’s a more detailed description:
Specifications:
Wavelength: 650 nm (red)Power Output: 5 mW
Head Diameter: 6 mm (copper head)
Operating Voltage: 5V DC
Operating Current: Better than 40 mA
Operating Temperature: -10°C to 50°C
Supply Voltage: 5V DC
Power Lead Length: 120 mm
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Cables And Wires
Nodemcu / Leonardo / Due Micro Usb Programming Cable 30cms
This multipurpose cable is designed for Arduino boards, NodeMCU boards, and flight controllers. It supports data transfer and can be used to program and power the boards through USB. This 30 cm cable allows data transfer between various devices.
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Batteries And Chargers
11.1v 2200Mah 3S Lipo Battery ABSD
The ABSD 11.1V 2200mAh 3S 80C LiPo Battery is a good performance rechargeable battery designed for demanding applications. Here are some key features:
Nominal Voltage: 11.1V
Capacity: 2200mAh
Discharge Rate: Up to 80C (55.0A)
Weight: Approximately 180-185 grams approx.
Discharge Plug: XT-60
Balance Plug: JST-XH
Dimensions: 106mm x 34mm x 23mm approx.
Applications: Suitable for indoor slow flyer to large-scale sport and aerobatic airplane models, as well as micro to mid-sized helicopter models
This battery offers an decent blend of weight, power, and performance, making it ideal for hobbyists and professionals alike.
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Batteries And Chargers
Envie Nexa Charger AA / AAA / 9V Battery Charger
The Envie Nexa ECR 30 Charger is a versatile charging system designed for AA, AAA, and 9V rechargeable batteries. Here are some key features:
Smart Charge Control System: Ensures optimal charging performance with constant charging current, maximizing the efficiency and longevity of your batteries.
BIS Certified: Guarantees the product’s quality, safety, and reliability.
LED Indicators: Red LED shows the charging process, but it doesn’t turn off when fully charged.
Protection: Protection against overheat and overcurrent.
Compatibility: Can charge 2 or 4 AA/AAA batteries or 1-2 9V batteries
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Electronic Components
Diode 1n4007 (Pack of 5pcs)
The 1N4007 is a general-purpose rectifier diode in a DO-41 package. It is widely used in power supply circuits for converting AC to DC. Here’s a brief overview:
Key Features
Maximum Reverse Voltage: 1000VAverage Forward Current: 1A
Peak Forward Current: 30A
Power Dissipation: 3W
Low Reverse Current: 5µA
Operating Temperature: -55°C to +175°C
Pin Configuration
The 1N4007 diode has two main terminals:Anode: Current enters through this terminal.
Cathode: Current exits through this terminal (usually marked with a grey band).
Applications
Rectification: Converting AC to DC in power supplies.Voltage Protection: Blocking voltage spikes.
Battery Chargers: Preventing reverse polarity.
General Purpose: Any application requiring a diode for current flow regulation.
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