• Triple axis magnetometer for precise magnetic field measurement
• Small and compact size for easy integration into various projects
• I2C communication protocol for efficient data transfer

• Dual-core 240MHz CPU with high-speed processing
• WiFi, Bluetooth Classic, and BLE support
• 520KB SRAM, capable of running FreeRTOS, MicroPython, and more
• Compact 25.2mm x 18mm size with onboard antenna

• Compatibility: Designed specifically for ESP8266 ESP-01 WiFi module.
• Pin Spacing: 2.54mm (standard breadboard pitch) for easy integration with breadboards.
• Voltage Regulator: 3.3V onboard regulator for stable voltage supply.
• Output Voltage: Provides 3.3V for powering the ESP-01 module.

• Compact Design for easy integration into projects with limited space
• Multiple Voltage Options: Available in both 3.3V and 5V versions
• Versatile I/O Pins: 12 Digital I/O Pins (5 with PWM output) and 8 Analog Inputs
• Low Power Consumption ideal for battery-powered projects

• Integrated buttons & LED circuits for easy prototyping
• Exposed power pins (5V, GND, and Raw) for convenient connections
• SOIC pad for IC placement
• Mini breadboard with 170 tie points, attached with self-adhesive backing

• Automatically controls temperature, activating when below or above the set value.
• Supports both high and low-temperature triggering modes.
• Directly drives the relay to control AC (220V) or DC (30V) devices.

• Double-Sided Design: Provides more flexibility for component placement and routing.
• High-Quality PCB: Grade A construction ensures reliability and durability.
• Universal Use: Ideal for DIY projects, prototyping, and experimenting with circuits.
• Easy Soldering: Pre-printed dot pattern makes the soldering process easier.

• Wide Supply Voltage Range: 1.8V to 3.6V
• Low Power Consumption: 0.5µA at 1Hz
• I2C Interface for easy integration
• Max I2C Speed: 3.5MHz

• Rich Color Display: 65K color support for vibrant and detailed visuals.
• High Resolution: 128x160 resolution for a clear display.
• Easy Interface: Uses SPI serial bus for quick and efficient communication with the Arduino.
• SD Card Slot: Convenient for function expansion via SD card storage.

• Wireless charging transmitter module, compatible with WPC standard wireless receivers
• Supports up to 5W charging power for fast and efficient charging
• Foreign body detection (FOD) function to ensure safety
• Low static power consumption with high efficiency

✔ 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

Specifications:

• Mini DC Charging Fan Circuit Board
• 3 Level Speed Control & LED Indicator
• Ideal for Electrical Circuitry & Parts
• Best Choice To Replace Or Making a Mini Fan
• USB 5V Charging

Package:

1x Mini Rechargeable Fan Circuit Board with 3 Level Speed Control and Led Indicator

• Compact Size: With a size of 8.6mm x 12.33mm, this module is small and suitable for tight spaces.
• Low Input Voltage: Accepts input voltages ranging from 4.2V to 10V.
• Stable Output: Provides a stable 3.3V output with a current output of 800mA.
• Efficient Power Conversion: Ideal for stepping down voltage in small electronic projects.

• Integrated WiFi and Bluetooth support for wireless connectivity.
• Compact design with dimensions of 40 x 27 x 12mm for easy integration.
• 4MB Flash Memory and 520kB SRAM for storage and processing.

• Dual-core ESP32 processor with Wi-Fi and Bluetooth capabilities.
• 4MB Flash Memory for efficient data storage and programming.
• Integrated battery management system with 500mA charging current.

• Onboard Precision Micro Voltage Transformer
• High-Precision Operational Amplifier Circuit for exact signal sampling and compensation
• Adjustable Output Mode for measuring AC voltage up to 250V
• Output Signal: Sine wave with a median (DC component)