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

• Compatible with multiple Arduino boards, including Uno R3, Mega2560, Nano, and Pro Mini (5V 16M)
• Built-in buzzer for audible feedback on bootloader burning status
• On-board LED indicators for programming status and error detection
• Supports ISP_6PIN and ISP_10PIN interfaces for flexible bootloader burning

✔ Qi Wireless Charging Standard – Compatible with all Qi-enabled chargers
✔ High Efficiency – 75% charging efficiency for reliable performance
✔ Compact & Lightweight – Small PCB size with a pure copper coil for stable transmission
✔ Short Transmission Distance – Works within 2-8mm range for efficient power transfer

• Digitally programmable frequency and phase
• Supports sinusoidal, triangular, and square wave outputs
• Wide frequency range: 0 MHz to 12.5 MHz
• Low power consumption: 12.65 mW at 3V

• Wide Input Voltage Range: 4.2V to 40V.
• Adjustable Output Voltage: Ranges from 1.2V to 37V.
• High Output Current: Minimum 1.5A, typical 2.2A.
• Wide Operating Temperature: Ranges from -55°C to +150°C.

• Easy Operation: Simply plug in USB or micro USB to output 1.2V-24V adjustable voltage
• One-Key Off: Easily turn off the output with a single button
• Precise Adjustment: Multi-loop precise adjustable potentiometer for fine voltage control
• Power-Off Storage: Saves settings before power-off

• Non-isolated Buck Module: A reliable and efficient step-down power conversion.
• Wide Input Range: Input voltage from 6V to 36V.
• Adjustable Output Voltage: Output voltage adjustable from 1.25V to 32V, with a default output of 5V.
• MPPT Voltage Setting: MPPT range from 6V to 36V to optimize solar panel charging.

The Dual USB 5V 2.1A Power Bank Charger Circuit Board is a reliable and efficient module for DIY portable power supply projects. Featuring double USB output and step-up board functionality, it provides safe and intelligent charging for your devices.

• Output Voltage: 5V 2.1A
• Input Voltage: 3.2V-4.2V
• Safe Design: Overcharge, overdischarge, and short circuit protection
• Intelligent Output: Stops charging when equipment is fully charged
• Wide Operating Temperature Range: -20 to +50°C
• Highlight LED Lamp: Easily activated by double-clicking the power key
• Electricity Quantity Display: 4-class LED light display

• USB Type-C Input: Supports 5V Type-C USB input for easy charging and power supply.
• Overcharge Protection: Prevents overcharging with a cut-off voltage of 4.28V.
• Over-discharge Protection: Stops discharge when the battery voltage drops to 3.2V.
• Maximum Output Current: Can provide a charging current of up to 1A (1000mA).

• Light Detection: Detects ambient brightness and light intensity.
• Adjustable Sensitivity: Sensitivity can be adjusted via the blue digital potentiometer.
• Wide Voltage Range: Operates within 3.3V to 5V voltage range.
• Digital Output: Provides digital switching outputs (0 and 1) via the D0 pin.

• Supports single (4.2V) and double (8.4V) lithium rechargeable batteries
• Adjustable charge current: 0.1A to 2A
• Multiple safety protections: Overcurrent, undervoltage, overtemperature, and reverse battery shutdown
• Charge status indicator: Red and green LED lights

• High Power Output: Up to 1200W, ideal for high-power applications
• Step-Up Boost Converter: Converts 8-60V DC input to 12-80V DC output
• Adjustable Output: Voltage (12-80V) and Current (0.5-20A) are fully adjustable
• High Efficiency: Conversion efficiency up to 95%

• PWM Control: Uses Pulse Width Modulation (PWM) to control the speed of a DC motor, offering smooth and precise speed adjustments.
• LED Display: Features a large 0.56 inch, 3-number LED display that shows the speed percentage from 0% to 100%, making it easy to monitor the motor speed under various conditions.
• Adjustable Speed Range: Speed can be adjusted from 0% to 100%, suitable for DC motors or DC loads with a current draw of less than 5A.
• Push Button: Incorporates a push button that can switch the controller between on and off states.

• Dot Laser for precise applications
• Low Power Consumption at 5mW
• Compact Design with a 6mm OD for easy integration
• Stable Operation at a 650nm wavelength

• 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.

• 1.5-inch OLED display with full-color output
• 128x128 resolution for high-quality visuals
• SSD1351 driver IC for reliable performance
• Supports I2C and SPI serial peripheral interfaces