• Monitors ECG (Electrocardiogram) signals
• Measures heart rate and pulse with high accuracy
• Compact and easy to integrate with Arduino or other microcontrollers
• Low power consumption

• Ideal for Prototyping: Perfect for building custom circuits, especially for Arduino projects.
• Single-Sided Design: Simplifies soldering and circuit design.
• Durable Construction: Made from high-quality material with a copper thickness of 1 oz.
• Customizable Design: Can be easily modified to fit specific project needs.

• Converts TTL signals to RS-485 for long-distance communication.
• Uses the MAX485 IC for reliable and low-power operation.
• Compatible with Arduino and other microcontroller platforms.
• Compact size, lightweight, and easy to integrate into projects.

• Work Frequency: 72 MHz
• Memory: 64KB flash memory and 20KB SRAM
• Power Supply: 2.0-3.6V
• I/O: General-purpose I/O pins

• Input Voltage: DC 7V - 24V.
• Output Voltage: DC 5V.
• Output Current: 3A (Max).
• High Efficiency: 96% maximum conversion efficiency.

• Durable Material: Made from high-quality ABS plastic with a sleek Silver-Shadow design.
• Efficient Cooling: Equipped with a PWM fan for optimal heat dissipation and noise control.
• User-Friendly Design: Quick-release mechanism for easy installation and maintenance.
• Integrated Power Button: Provides one-touch power control for added convenience.

• Microcontroller Support: Compatible with a wide range of PIC microcontrollers, including PIC10, PIC12, PIC16, PIC18, PIC24, dsPIC30, and dsPIC33.
• Versatile Programming Voltage: Operates with targets requiring 2.0V to 5.5V.
• USB Interface: Equipped with USB 2.0 for both power and data communication.
• Firmware Upgradeable: Ensures compatibility with newer PIC microcontroller versions.

• Double-Sided Design: Allows for more component placement and easier circuit routing.
• High-Quality PCB: Grade A construction for durability and reliable performance.
• Universal Compatibility: Ideal for DIY projects and prototyping.
• Easy to Use: Pre-printed dot pattern for easy soldering and circuit design.

• Micro USB Port: Easy connectivity with computers and power sources
• Pins: 11 digital input/output pins
• Advanced Functionality: Supports Interrupt, PWM, I2C, and One-Wire
• Analog Input: 1 analog input (maximum 3.2V)

• Double Panel PCB Design: Ensures durability and enhanced performance.
• Reliable Chip Control: Provides stable, anti-interference operation with minimal false triggering.
• Efficient Voltage Regulation: Offers stable power supply with proper heat dissipation for long-term usage.
• Anti-Reverse Protection: Prevents damage from accidental reverse power connection.

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

• High performance-price ratio for cost-effective development.
• Compact size, ideal for embedding into other products.
• Robust functionality with support for LWIP protocol and FreeRTOS.
• Operates in three modes: AP, STA, and AP+STA.

• 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

• Compact Display: 1.8-inch size for portable projects
• High Resolution: 128x160 pixels for clear images
• Wide Viewing Angle: Improved visibility from various angles
• Controller: ST7735, widely used for high-quality displays

• 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

• Compact Design: Small and efficient module with a size of 8.6mm x 12.33mm.
• Wide Input Voltage Range: Accepts 4.2V to 10V input voltage.
• Stable 3.3V Output: Provides a steady 3.3V output with a current of 800mA.
• Efficient Power Conversion: Ideal for small projects requiring reliable step-down voltage regulation.