• Compact Design: Ideal for DIY projects and educational purposes
• 3 LED Colors: Red, Yellow, and Green for traffic signal simulation
• Wide Compatibility: Works with both 3.3V and 5V power supply
• Independent Control: Each LED can be controlled separately

• Digital output for easy integration
• ABS material for durability
• Compatible with both 3.3V and 5V systems
• Detects carbon dioxide (CO2) in the range of 400~5000ppm

• Provides easy sensor and actuator connections to Arduino boards
• Supports I2C and UART interfaces (jumper selectable)
• Offers 13 digital pins, plus VCC and GND for power
• Compatible with Arduino Uno, Arduino Leonardo, and derivatives

• LCD Display for easy programming and time control
• Programmable Timer to automate power switching
• 24V Compatibility, ideal for various electrical applications
• Reliable Time Relay, suitable for street lamps, billboards, and automation systems

• Input Voltage: 3V - 7V
• Input Current: 50mA - 3500mA
• Capacity Measurement: 0 - 19999mAh
• High precise current calibration function

Empower your IoT and electronics projects with the ESP32 Development Board. Featuring a 32bit dual-core 240MHz processor, this versatile board supports WiFi, Bluetooth, and fully integrates with the Arduino Programming IDE, making it ideal for a range of applications.

• Supply Voltage: 2.2V～3.6V
• Operating Temperature: -40°C～85°C
• Operating Current: 80mA
• Supports LWIP protocol and FreeRTOS
• Three Modes: AP, STA, and AP+STA
• Compatible with Lua programming
• Processor: 32bit dual-core 240 MHz Tensilica LX6
• SRAM: 520 KB, Flash: 16 MByte
• Wi-Fi Standards: FCC/CE/TELEC/KCC
• Wi-Fi Protocols: 802.11 b/g/n/d/e/i/k/r
• Bluetooth Protocols: BLEv4.2 BR/EDR
• Bluetooth Audio: CVSD and SBC
• Peripheral Interfaces: UART, SPI, I2S, ADC, DAC, I2C
• On-Chip Sensors: Hall Effect, Temperature
• Weight: 9g
• Size: 51.6mm x 28.5mm

Specifications:

• For Model: DS18B20
• Type: waterproof temperature sensor
• Feeler: stainless steel temperature sensor
• Temperature measuring range: -55 ° C -125 ° C
• Accuracy over the range of -10 ° C - 85 ° C: ± 0.5 ° C
• Adjustable resolution: 9 - 12 bit
• Voltage supply: 3.0 - 5.5V

Package:

1x DS18B20 Temperature Sensor Adapter Shield

• Measures water flow accurately within a range of 0.3–6 L/min.
• Compact and lightweight design with durable construction.
• Operates on a wide voltage range (5~12 V) with low current consumption.
• Offers high precision with ±5% accuracy for flows of 0.3–3 L/min.

• Wi-Fi Standard: 802.11 b/g/n
• Wi-Fi Modes: Wi-Fi Direct (P2P), Soft-AP
• Integrated TCP/IP Protocol Stack: Enables easy communication over the internet
• Integrated TR Switch, Balun, LNA, Power Amplifier: For enhanced signal output

• STM32F429ZIT6 microcontroller with 2MB Flash memory and 256KB RAM
• 2.4″ QVGA TFT LCD for display interface
• On-board ST-LINK/V2 with selection switch for standalone use
• 64 Mbit SDRAM for external memory support

The ATmega8A is a high-performance, low-power 8-bit AVR microcontroller from Microchip. It is designed for a wide range of applications, offering a rich set of features and robust performance. This microcontroller is ideal for both beginners and experienced developers looking to create efficient and reliable embedded systems.

• 10mm RGB LED with built-in module
• Operates at 5V, easy to integrate with microcontrollers
• Compact and lightweight, ideal for DIY electronics projects
• Can produce various colors by adjusting the red, green, and blue channels

• 10-segment LED bar graph with multi-color display (red, yellow, green, blue)
• Ideal for battery level and power indication
• Compact design with standard 2.54mm pin pitch
• Efficient power usage with low forward current

• I2C Interface: Enables easy communication with the WeMos D1 Mini.
• Wide Power Supply Range: Supports up to 15V DC motor power supply.
• High Current Output: 1.2A (average), 3.2A (peak) per channel.
• Motor Control Modes: Supports CW, CCW, short brake, and stop modes.

• Dual-Output: Provides both temperature and humidity control outputs.
• High Precision: Control accuracy of 0.1°C for temperature and 0.1%RH for humidity.
• Wide Detection Range: Temperature range of -20°C to 60°C and humidity range of 0% to 100% RH.
• Relay Output: Maximum output capacity of 10A for controlling devices.

The PIC16F877A is one of the most renowned microcontrollers in the industry, known for its convenience and ease of programming. This microcontroller uses FLASH memory technology, allowing it to be written and erased multiple times. With a total of 40 pins, including 33 for input and output, it is widely used in various PIC microcontroller projects and digital electronics circuits.