DFRobot
Gravity: Lightning Distance Sensor
Gravity: Lightning Sensor employs AMS innovative AS3935 Franklin lightning sensor IC and Coilcraft MA5532-AE dedicated antenna to detect lightning distance, ...
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Gravity: Lightning Sensor employs AMS innovative AS3935 Franklin lightning sensor IC and Coilcraft MA5532-AE dedicated antenna to detect lightning distance, intensity, and frequency within a radius of 40km both indoors or outdoors.
The embedded man-made disturber rejection algorithm can effectively avoid the electrical interference generated by various household appliances. In addition to allowing general weather enthusiasts to measure local thunderstorm data simply and efficiently, thanks to its compact size and wide detection range, it can also be embedded in various smart wearable devices for outdoor climber or people who work at heights.
This provides early warning of thunderstorms that people can perceive, so that people can take precautions a step ahead. The sensor can also be embedded in the indoor protection device inside lightning-sensitive equipment, and automatically trigger these devices to switch to the backup power to isolate the power grid when lightning strikes. At the moment of lightning, the interrupt pin IRQ generates a pulse. This can be used to trigger the shutter to open, helping photographers to accurately capture the exciting moment of lightning.
The maximum estimated distance of lightning strike is 40km. Limited by the inherent measurement method and algorithm, the distance estimation resolution is 1~4km, 40 km in 15 steps. Read More details.
CONNECTION DIAGRAM
Gravity: Lightning Sensor (Arduino UNO)
Gravity: Lightning Sensor (Raspberry Pi 3B)
FEATURES
- Lightning detection within 40km in 15 steps
- Lighting intensity detection
- Used both indoors or outdoors
- Embedded man-made disturber rejection algorithm
APPLICATIONS
- Consumer Weather Station (thunderstorm measurement)
- Wearable Devices (outdoor thunderstorm early warning)
- Lightning Photography
SPECIFICATION
- Input Voltage : 3.3V~5.5V
- Maximum Detection Range: 40 km
- Distance Detection Resolution: 1~4 km
- Intensity Detection Resolution: 21 bits, i.e. 0 ~16777201
- I2C Address: Three options 0x03, 0x02, 0x01
- Interface: Gravity I2C (logic level: 0-VCC)
- Dimension: 30.0mm*22.0mm/1.18*0.87 in
DOCUMENTS
Jargon buster
Plain-language definitions for the technical terms used above.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- I2C address
- An I2C address is the number a device uses so a microcontroller can tell it apart from other devices on the same I2C bus. It matters because two devices with the same fixed address may conflict if used together.
- IRQ
- IRQ (interrupt request) is a signal line a device uses to alert a microcontroller that something needs attention, so the microcontroller does not have to poll continuously. Wiring an IRQ pin to a free input lets code respond promptly to events such as new data being ready.
- VCC
- VCC is the positive power-supply connection on a chip or module. Connecting it to the correct supply voltage is needed for the part to power on and helps avoid damaging the electronics.
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Sensors & Input
Supplier page — dfrobot.com
Supplier Description · 625.2 KB · Click any page to view full size
SEN0290 gravity as3935 lightning detection sensor dimension 1.0
Mechanical Drawings · 54.5 KB · Click any page to view full size
SEN0290 gravity as3935 lightning detection sensor schematics 1.0
Schematic · 948.4 KB · Click any page to view full size
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