• Wide Operating Voltage: Works efficiently between 2.7V and 12V DC.
• Ultra-Low Power Consumption: Uses less than 0.1mA in standby mode.
• Compact Design: Small 10mm x 8mm PCB suitable for space-constrained projects.
• Reliable Sensing Range: Detects motion within 3-5 meters and a 100° cone angle.

• Compact optical dust sensor for accurate dust and particle detection.
• Compatible with GP2Y1010AU0F and GP2Y1010AUOF for versatile use.
• Low power consumption, operating at DC5 ± 2V.
• High sensitivity of 0.5V / (0.1mg / m³), suitable for detecting fine particles like smoke and pollen.

• Uses CH340G driver chip for stable USB-to-serial communication
• Supports all basic Windows versions without compatibility issues
• Built-in 1000μF solid capacitor for reliable power supply and crash prevention
• 3225 SMD crystal oscillator enhances serial stability

Specifications:

• CORE-ESP32-C3
• ESP32-C3 main control, main frequency 160MHz
• On board 4MB flash,
• CH343P chip
• SPL Flash: 1 channel, onboard 4MB
• UART interface: 2-way, UART0~UART1
• 12 bit ADC: 2 channels, with a maximum sampling rate of 100KSPS
• Low speed SPI interface: 1 channel, supporting main mode
• IIC controller: 1 channel
• PWM interface: 4 channels
• GPIO external pins: 15 channels, reusable
• LED indicator lights: 2 channels
• Reset button: 1 channel
• BOOT button: 1 channel
• USB to TTL download and debugging port: 1 channel, supporting automatic download
• 2.4G PCB onboard antenna
• Size: 21mm x 51mm

Package:

1x ESP32 Development Board ESP32-C3 CORE-ESP32-C3 CH343P WiFi + Bluetooth Module Core Board For Arduino Microphone UART GPIO SPI

• 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.

• Quad-band GSM: 850/900/1800/1900 MHz
• GPRS multi-slot class 12/10
• Supports A-GPS with Integrated GPS/CNSS
• Controlled via AT commands

✔ High Precision Measurement – Onboard precision micro current transformer for accurate current sensing
✔ Op-Amp Circuit Board – Provides accurate signal sampling and appropriate compensation
✔ Adjustable Output – The analog output corresponding to current can be easily adjusted
✔ Wide Working Voltage – Operates within a range of DC 5-30V for versatile

• Fully compatible with original electrical and physical interfaces for serial transparent Bluetooth.
• Built-in industrial transparent transmission firmware V3.0 for stability and reliability.
• Integrated high-performance WiFi module ESP-M2.
• Supports seamless transparent transmission between serial and WiFi.

The PIC16F877A is one of the most renowned microcontrollers in the industry, known for its convenience and ease of programming. This microcontroller uses FLASH memory technology, allowing it to be written and erased multiple times. With a total of 40 pins, including 33 for input and output, it is widely used in various PIC microcontroller projects and digital electronics circuits.

• Wide sensing range of 20 to 150 cm (200 to 1500 mm) for versatile applications.
• Provides analog output for easy integration with microcontrollers.
• Low supply voltage requirement of 4.5 to 5.5V, making it suitable for battery-operated projects.
• Fast response time of 39 ms for real-time distance measurement.

Specifications:

• Maximum Supported Chips: 4000+
• Communication Interface: USB Type-C
• Output Voltage: Programmable, 3.3V to 5.0V
• Pin Interface: 28-pin zero pull-out force locking seat
• Dimensions: 108 x 76 x 21 mm
• Weight: Lightweight and compact
• Operating Systems Supported: Win7, Win8, Win10, Win11
• Battery Percentage Indicator: 100%, 75%, 50%, 25%
• Protection Features: Short circuit, overcurrent, high voltage, and polarity protection
• Component Type: All SMD components

Package:

1x Programmer set

• High Resolution: 240x320 resolution, 18-bit color (262,000 colors) for vibrant display.
• Compatible with 5V Logic: Works with 3.3V or 5V logic.
• Onboard LDO Regulator: Includes a 3.3V 300mA LDO regulator for stable power.
• LED Backlight: Equipped with 4 white LED backlights that are on by default, but can be controlled via a digital pin.

• Dual Motor Drive: Supports two DC motors with up to 2A current per channel.
• Wide Voltage Range: 6.5V–12V (VIN Power Supply), 4.8V–35V (External Power).
• PWM Speed Control: Supports precise motor speed control.
• PLL Advanced Speed Control: Ensures smooth motor operation.

• Capacitive touch sensing with high sensitivity
• Easy to use with minimal external components required
• Small and compact design for easy integration
• Low power consumption for efficient operation

• WizFi210 wifi module for seamless wireless connectivity.
• Bridges TTL serial port communication to IEEE802.11b/g/n wireless communication.
• Compatible with Arduino/Freaduino for easy integration into projects.
• Enables remote control and management of devices over a wireless network.

• Based on ESP-8266EX chip for enhanced Wi-Fi functionality.
• Compatible with Arduino IDE for easy programming.
• 11 x I/O pins for various input/output operations.
• 1 x ADC pin with input range of 0-3.3V for analog inputs.