MIKROE-2561

MIKROE-2561 Datasheet


PID MIKROE-2561 Weight 30 g

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MIKROE-2561 MIKROE-2561 MIKROE-2561 (pdf)
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Earthquake click

PID MIKROE-2561 Weight 30 g

Earthquake click carries D7S, the world’s smallest high-precision seismic sensor from Omron. The click is designed to run on either 3.3V or 5V power supply. It communicates with the target MCU over I2C interface, with additional functionality provided by the following pins on the mikroBUS line PWM, INT, CS. When an earthquake occurs with a seismic intensity equivalent to 5 Upper or higher on the JMA Japan Meteorological Agency Seismic Intensity Scale, the D7S will activate the shutoff output to notify the user that an earthquake has occurred. How it works Using the SI spectral intensity value, which has a high correlation with the seismic intensity scale that indicates the magnitude of an earthquake, provides higher-precision judgment of seismic intensity scales. The 3-axis acceleration Sensor and Omron's unique SI value calculation algorithm achieve high precision and low consumption. Higher degree of freedom for incorporation into devices and prolonged operation on battery power . Shutoff output terminal INT1 operates equivalent to a conventional mechanical vibration sensor and ensures compatibility with mechanical vibration sensors.

I2C interface is able to obtain earthquake-related information from the sensor with communications from external devices.

Spectral intensity

The SI value or spectral intensity is equivalent to the magnitude of the destructive energy imposed by seismic motion on structures.

Low power consumption

The power consumption during standby is 90 uA or less. On average, during processing, the sensor uses around 300 uA.

JMA seismic intensity scale

JMA or Japan Meteorological Agency intensity scale is used in Japan and Taiwan to measure the intensity of earthquakes. The scale goes from 0 to The level 5 on this scale indicates when objects inside a house start falling down, like books from the shelf, dishes in a cupboard, cracks are formed on walls, etc.

Key features
• D7S seismic sensor o 90 uA power consumption in standby o Acceleration Detection Range −2,000 to 2,000 gal o Shutoff Output INT1 Output at seismic intensity level 5 or higher
• I2C interface
• 3.3V or 5V power supply

Specification

Product Type Motion

Vibration sensor, fire prevention systems, electricity meters, gas meters, chemical plants, bridges, tunnels, etc.

D7S seismic sensor

Key Features

Low power consumption, Acceleration Detection Range −2,000 to 2,000 gal, Shutoff Output INT1 Output at seismic intensity level 5 or higher

Key Benefits The click can calculate seismic activity and detect an earthquake

Interface

Power Supply 3.3V or 5V

Compatibility mikroBUS

Click board size

S x mm

Pinout diagram

This table shows how the pinout on Earthquake click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns .

Notes
mikroBUStm

Notes

Not connected NC 1 AN PWM 16 INT2 Processing notification output

Not connected NC 2 RST INT 15 INT1 Shutoff output

Initial setting input SETTING 3 CS TX 14 NC Not connected

Not connected NC 4 SCK RX 13 NC Not connected

Not connected NC 5 MISO SCL 12 SCL I2C clock

Not connected NC 6 MOSI SDA 11 SDA I2C data

Power supply +3.3V 7 3.3V 5V 10 +5V Power supply

Ground GND 8 GND 9 GND Ground

Maximum ratings

Min Typ Max Unit

Power Supply Voltage
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Datasheet ID: MIKROE-2561 649376