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

• Dual bases for all Wemos D1 Mini modules and shields.
• Duplicate I/O and power supply for enhanced flexibility.
• Designed for 3.3V I/O compatibility only.

• Utilizes a 24-bit high precision HX711 A/D converter chip
• Includes an integrated 128 times programmable gain amplifier
• Supports two analog input channels
• Ideal for pressure and weighing sensor applications

• High-quality SIM808 module for GSM, GPRS, GPS, and Bluetooth communication
• Supports quad-band 850/900/1800/1900MHz for global compatibility
• Integrated GPS with A-GPS support for enhanced positioning
• AT command control for SMS, phone calls, GPRS, and GPS data

• Wide Detection Range: 120°/180° detection angle with a range of up to 12 meters (± 2m)
• Adjustable Settings: Ambient light sensitivity and time-delay (5 seconds to 12 minutes) can be adjusted
• High Load Capacity: Suitable for 500W resistive load (e.g., incandescent lamps) and 150W inductive load (e.g., LED, energy-saving lamps)
• Weatherproof Design: IP44 rated, ideal for both indoor and outdoor use

• 64 RGB full-color LEDs with WS2812 chips.
• Ideal for creating vibrant and dynamic lighting effects.
• Compatible with Arduino microcontroller platforms.
• Digital input for smooth and precise control.

• Powerful Performance: Quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz.
• High-Speed Memory: 4GB LPDDR4-3200 SDRAM for smooth multitasking.
• Versatile Connectivity: Dual micro-HDMI, Gigabit Ethernet, USB 3.0, and 802.11ac Wi-Fi.
• Expandable Storage: Micro-SD card slot for OS and data storage.

• Powerful Processor: 1GHz quad-core, 64-bit ARM Cortex-A53 CPU for efficient processing.
• Wireless Connectivity: Equipped with 802.11b/g/n wireless LAN and Bluetooth 4.2 / BLE for easy connectivity.
• Compact and Expandable: Features a microSD card slot, mini HDMI, and USB 2.0 OTG ports.
• Versatile Compatibility: HAT-compatible 40-pin header, allowing seamless integration with various accessories.

• Model Number: WiFi-R3-AT328-ESP8266-32MB-CH340G
• Microcontroller (MCU): ATmega328P
• WiFi Module: ESP8266 (32Mb memory)
• USB Converter: CH340G

• Waterproof and durable for outdoor use
• Operates at a DC 5V voltage with low power consumption
• Capable of measuring distances from 25cm to 4.5m
• Acoustic emission frequency of 40kHz for accurate distance detection

• Dual Voltage Compatibility: Works with both 3.3V and 5.0V power supply, offering flexibility in different setups.
• Signal Compatibility: Supports both 3.3V and 5.0V signal levels, making it adaptable to a variety of systems.
• Industrial Design: Uses imported chips with industrial-grade design, offering superior anti-interference ability.
• Wide Operating Temperature: Can operate in harsh environments with a temperature range from -40°C to +85°C.

• 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.

• Electromyographic (EMG) Measurement: Measures muscle activity by detecting electrical signals.
• Adjustable Gain: Provides improved gain for more accurate and rugged readings.
• Compatible with Microcontrollers: Easily integrates with microcontrollers for muscle-controlled interfaces.
• Electrode Pads: Includes large 52mm electrode pads for better contact and accuracy.

• USB to TTL Serial Converter for easy PC connection to serial devices
• Supports USB 1.1, 2.0, and 3.0 communication with full-speed data transfer
• 500mA self-healing fuse for added protection
• 3.3V and 5V power supply interfaces for different voltage systems

Specifications:

• Multi-function mini boost module
• Basic parameters
• The output voltage can be set to 5V/8V/9V/12V, the default is 12V
• Input voltage range: 2.5V~VOUT-0.5V
• Output performance: Take 3.7V lithium battery input as an example, it can output 5V1.2A, 8V0.7A, 9V0.6A, 12V0.5A. Make sure that the input current and output current do not exceed 1.5A.

Voltage setting description:
The front side of the PCB can be seen with the words A and B. The output voltage can be changed by using the soldering iron to change the pad on and off. In the following table, 0 means the pad is disconnected and 1 means the pad is connected.

• A   B   VOUT
• 0   0   5V
• 0   1   8V
• 1   0   9V
• 1   1   12V

Package:

1x 1.5A Multi-function Mini Boost Module

• 4-in-1 Compatibility: Supports AHD, TVI, CVI, CVBS analog cameras.
• 4.3-inch LCD Display: TFT screen with 480x272 resolution for clear video output.
• Built-in Rechargeable Battery: 3.7V 2600mAh for long-lasting use.
• Cable Test Option: Easily test and troubleshoot camera connections.