Exo Sense Pi
$279.38$298.90 + tax

Exo Sense Pi

$279.38$298.90 + tax

In stock - Usually ships in 1-2 business days

Exo Sense Pi is a multi-sensor module with a Raspberry Pi 4 computing core and a wide range of connectivity options. Ready for residential and commercial applications such as environmental monitoring and data gathering, BLE positioning, indoor people and assets tracking, rooms management and access control, voice control and much more.

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Description

An environmental sensor and a powerful server

Exo Sense Pi is a multi-sensor module with a Raspberry Pi 4 computing core and a wide range of connectivity options. Ready for residential and commercial applications such as environmental monitoring and data gathering, BLE positioning, indoor people and assets tracking, rooms management and access control, voice control and much more.

Its broad range of sensors, two digital inputs and open-collector output are routed to a Raspberry Pi Compute Module 4, all in a small wall-mount package.

The Raspberry Pi Compute Module 4 incorporates a high performance quad-core ARM Cortex-A72 processor, Wi-Fi, Bluetooth 5.0 and Bluetooth Low Energy (BLE) wireless interfaces, up to 8GB RAM and 32GB eMMC Flash memory.

Moreover, an RS-485 bus and dedicated I/O lines enable Exo Sense Pi to communicate over standard protocols such as Modbus, I2C, 1-Wire and Wiegand.

Exo Sense Pi is compliant with the CE electromagnetic compatibility standard for emissions in residential environments and immunity in industrial environments. It is also compliant with the FCC and IC electromagnetic compatibility standards.

Features

Sensors:

  • temperature
  • humidity
  • air quality (VOC)
  • light intensity
  • microphone for sound intensity monitoring, recording and processing
  • PIR motion sensor

Mounting:

  • 80x80mm wall mount ABS case with fast snap-in terminal block

Power supply:

  • 9÷28Vdc power supply, with surge and reverse polarity protection, and 1.1A resettable fuse

Raspberry Pi Compute Module compatibility:

  • all Raspberry Pi Compute Module 4 boards. A microSD slot is present on Exo Sense Pi to use external flash memory cards with the CM4 Lite

Inputs/Outputs:

  • 2 x digital inputs or TTL level I/O (1-Wire, I2C, Wiegand support)
  • 1 x open collector output

Connectivity:

  • standard RS-485 interface to the Raspberry Pi serial line, with electrostatic discharge protection
  • 2.4 GHz, 5.0 GHz IEEE 802.11 b/g/n/ac wireless; Bluetooth 5.0, BLE depending on installed Raspberry Pi Compute Module 4 board
  • micro USB socket for updating Compute Module 4 eMMC

More:

  • GPIO-controlled LED
  • piezoelectric buzzer, for acoustic feedback
  • real time clock (RTC) with replaceable back-up battery
  • embedded Microchip ATECC608A secure element chip
  • internal temperature sensors for heat compensation

Optionals (factory-installed upon request):

  • earthquake sensor module

Specifications

Power supply 10-28 V⎓ (VDC)

Reverse polarity protection with 1.1 A resettable fuse. Surge protection up to ±1000V/2ohms 1.2/50μs

Current consumption at VS+ 12 V⎓

including Raspberry Pi CM4, with active Wi-Fi, no other connections

low CPU load: 140 mA

100% CPU load, before throttling: 380 mA

Actual current consumption may vary based on working conditions

Current consumption at VS+ 24 V⎓

including Raspberry Pi CM4, with active Wi-Fi, no other connections

low CPU load: 95 mA

100% CPU load, before throttling: 210 mA

Actual current consumption may vary based on working conditions

Raspberry platform compatibility Compute Module 4, all versions

(tested with CM4102000 for regulatory compliance)

Voltage range at digital inputs DIx 0…40V⎓
Current for each digital input DIx (typ.) 1.8mA at VS+ 12V⎓

3.5mA at VS+ 24V⎓

Voltage threshold digital inputs Dix (typ.) VIH: 4.6 V

VIL: 3.6 V

Voltage range at TTL I/O TTLx 0…5 V⎓
Impedance for TTL I/O TTLx 220 Ω
Voltage threshold TTL I/O TTLx (typ.) VIH: 1.3 V

VIL: 1.1 V

Maximum recommended cable length for digital input DIx 30 meters
Maximum recommended cable length for TTL I/O TTLx 5 meters
Open collector OC1 rating NPN type, common on VS+, short circuit protected
100 mA MAX output current
Maximum recommended cable length for open collector output OC1 2 m
Communication ports RS-485 half-duplex with data flow direction controlled by GPIO6 (active low), or passive mode
Baud Rates on RS-485 port 1200 to 115200 (higher speeds are possible, but not guaranteed to meet EMI requirements)
ESD-Protection Voltage on RS-485 A/B ±15kV human body model

±8kV contact discharge

Surge protection on RS-485 A/B Surge protection up to ±500V/2ohms 1.2/50μs; 600W peak pulse power capability at 10/1000μs waveform
Fail safe feature on RS-485 Optional with jumpers (not installed)
Real time clock Internal RTCC circuit with backup lithium battery. Only use CR1025 Lithium / Manganese Dioxide (Li/MnO2) batteries.

Expected battery life without main power supply: ~2 years

7-pin terminal block characteristics Maximum conductor cross section: 2.5 mm2 (14 AWG)
Recommended stripping length: 7 mm
Screw thread: M3Maximum screws tightening torque: 0.6 Nm
Electromagnetic immunity compliance EN 61000-4-2 (ESD)

EN 61000-4-3 (Radiated RF Field)

EN 61000-4-4 (Burst/fast transient)

EN 61000-4-6 (Conducted)

EN 61000-4-8 (Power frequency magnetic field)

Housing Wall mount 80x80mm ABS case
Operating temperature -10…+50 °C
Storage temperature -20…+70 °C
Relative humidity 5% to 90% noncondensing
Protection degree IP20
Weight 90 g (Exo Sense Pi with CM4)

Documentation

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