CJMCU-3935 AS3935 Lightning Sensor

The CJMCU-3935 AS3935 Lightning Sensor is a highly sensitive device designed to detect the presence and approach of potentially hazardous lightning activity. This fully integrated sensor IC provides accurate distance measurement to the peak of a storm, offering a warning radius of up to 40 kilometers. It supports both SPI and I2C interfaces for easy integration into various projects and systems. The AS3935 is suitable for a wide range of applications, including weather stations, sports equipment, pool security, and portable devices, providing reliable flash detection and storm proximity alerts.

Specifications of CJMCU-3935 AS3935 Lightning Sensor

• Operation Voltage: 2.4V - 5.5V
• Operation Current: ---
• Dimensions: ---
• Interface: SPI and I2C
• Detection Range: Up to 40 km for lightning activity
• Modes: Shutdown, listening, and active mode
• Flash Detection: Detects cloud-to-ground and intra-cloud flashes
• Clocks: Internally generated by TRCO and SRCO oscillators
• Programming: Programmable with 4-wire standard SPI or I2C
• Power Supply: Can be powered by an internal voltage regulator or directly by VDD

How to use of CJMCU-3935 AS3935 Lightning Sensor

1. Power Supply: Connect the sensor to a power source within the range of 2.4V to 5.5V.
2. Interface Connection: Choose between SPI or I2C for communication with a microcontroller or other control unit. Connect the appropriate interface pins.
3. Initialization: Program the sensor using SPI or I2C commands to set up the desired detection parameters and sensitivity.
4. Operation Modes: Utilize different modes (shutdown, listening, active) depending on the application requirements.
5. Data Acquisition: Monitor the sensor output to detect lightning activity and determine the distance to the storm's peak. Configure the sensor to provide alerts for lightning within a 40 km radius.
6. Applications: Integrate the sensor into weather stations, portable devices, pool security systems, GPS, cell phones, watches, and other relevant equipment.

Datasheet of CJMCU-3935 AS3935 Lightning Sensor

CJMCU-3935 AS3935 Lightning Sensor Datasheet