• Quad-band: 850/900/1800/1900MHz for global GSM network compatibility
• Connects to any global GSM network using a 2G SIM
• Voice calls: Make and receive calls using a headset or external speaker and microphone
• SMS: Send and receive SMS messages

• Operating Voltage: 12V DC
• LED Indicators: Two separate LEDs for On/Off status indication of the relay
• Triggering Input Voltage: 3.3V – 5V
• Back EMF Protection: Protects against back electromotive force

• SWIM Interface: For connection to the application via a pin header or a 2.54 mm pitch connector
• Voltage Supported: 1.65V to 5.5V application voltage on the SWIM interface
• Programming Modes: Supports both low-speed and high-speed SWIM modes
• Programming Speed: 9.7 Kbytes/s (low-speed) and 12.8 Kbytes/s (high-speed)

Specifications:

• Type: Development Board
• Raspberry pi 5 mainboard
• Series: Raspberry Pi 5

• Supports static to 1/32S scan mode
• Wi-Fi and U-Disk communication port
• Displays full-color text, images, time, and temperature
• 999 programs with remote switch support

• Compatible with Arduino and other microcontrollers
• Measures water turbidity with analog output
• Adjustable threshold for digital output
• Quick response time (<500ms)

• 2-channel relay module for controlling AC and DC loads
• Low-level trigger for easy microcontroller interfacing
• Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and other microcontrollers
• Capable of switching high-power loads up to 250V AC @ 10A or 30V DC @ 10A

• Onboard TTP229 Capacitive 16-Key Touch Sensing IC
• Supports 16 capacitive touch buttons for seamless touch control
• Onboard power indicator for status monitoring
• Adjustable output modes, key response, and power settings

• Universal Design: Suitable for general-purpose prototyping and custom circuit design.
• Single-Sided: Offers a single-sided design, ideal for basic circuit construction.
• Glass Fiber FR-4 Material: Made from durable glass fiber FR-4 for longevity and stability.

• Compact Design: Small 4.8cm x 1.8cm PCB for easy integration.
• Reliable Chipset: Uses ENC28J60/SS for stable performance.
• High-Speed Communication: Features a 25MHz crystal oscillator.
• SPI Interface: Ensures efficient data transfer with 3.3V power input.

• Built-in WS2812 IC for easy control
• Supports full-color RGB lighting
• Operates at 4V - 5.5V DC
• Compact and lightweight design

• Easy Control: Control WS2812 light bars, rings, or addressable LED strips with this ESP8266 based module.
• Arduino IDE Support: Program the module using the Arduino IDE for easy customization.
• GPIO2 Pin Control: The module uses GPIO2 for controlling the LEDs.
• Flexible Power Supply: Supports DC 3.7V-5V, making it versatile for different power sources.

Specifications:

• Input Signal: PWM (Pulse Width Modulation)
• PWM Input Range: 0% - 100%
• Output Voltage Range: 0-10V
• Power Supply: 12V - 24V DC
• Input Frequency: 1kHz - 3kHz
• Output Current: Maximum 10mA
• Dimensions: Varies by manufacturer (typically small, PCB module size)
• Working Temperature: -40°C to +85°C

Package:

1x Module

• 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.

• Quad-band compatibility: Works on GSM networks worldwide (850 / 900 / 1800 / 1900 MHz).
• Allows communication via SMS, MMS, GPRS, and audio through UART with AT commands.
• Includes 12 GPIOs, 2 PWMs, and an ADC from the SIM900 module.
• Compatible with Arduino and Arduino clones.

• Brand New and High Quality
• Resolution: 128x64
• Display Area: 29.42 x 14.7mm (1.16" x 0.58")
• Operating Voltage: 3.3V to 5V