AMG8833数据手册.pdf

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Adafruit AMG8833 8x8 Thermal Camera Sensor Created by Justin Cooper Last updated on 2018-01-17 05:57:08 PM UTC

Guide Contents Guide Contents Overview Pinouts Power Pins: Logic pins: Assembly Prepare the header strips: Add the breakout board: And Solder! Arduino Wiring & Test I2C Wiring Download Adafruit_AMG88xx library Load Thermistor Test Pixel Array Output Library Reference Arduino Library Docs Arduino Thermal Camera Adafruit 1.44" Color TFT LCD Display with MicroSD Card breakout CircuitPython Wiring & Test I2C Wiring Download Adafruit_CircuitPython_AMG88xx library Raspberry Pi Thermal Camera Raspberry Pi 3 - Model B - ARMv8 with 1G RAM PiTFT Plus Assembled 320x240 2.8" TFT + Resistive Touchscreen Assembled Pi T-Cobbler Plus - GPIO Breakout Setup PiTFT Install Python Software Enable I2C Wiring Up Sensor Run example code Downloads Documents Schematic Dimensions 2 3 6 6 6 8 8 9 10 12 12 12 13 14 15 16 17 17 19 19 19 22 22 23 23 23 23 24 25 26 28 28 28 28 © Adafruit Industries https://learn.adafruit.com/adafruit-amg8833-8x8-thermal-camera-sensor Page 2 of 29

Overview Add heat-vision to your project and with an Adafruit AMG8833 Grid-EYE Breakout! This sensor from Panasonic is an 8x8 array of IR thermal sensors. When connected to your microcontroller (or raspberry Pi) it will return an array of 64 individual infrared temperature readings over I2C. It's like those fancy thermal cameras, but compact and simple enough for easy integration. © Adafruit Industries https://learn.adafruit.com/adafruit-amg8833-8x8-thermal-camera-sensor Page 3 of 29

This part will measure temperatures ranging from 0°C to 80°C (32°F to 176°F) with an accuracy of +- 2.5°C (4.5°F). It can detect a human from a distance of up to 7 meters (23) feet. With a maximum frame rate of 10Hz, It's perfect for creating your own human detector or mini thermal camera. We have code for using this breakout on an Arduino or compatible (the sensor communicates over I2C) or on a Raspberry Pi with Python. On the Pi, with a bit of image processing help from the SciPy python library we were able to interpolate the 8x8 grid and get some pretty nice results! © Adafruit Industries https://learn.adafruit.com/adafruit-amg8833-8x8-thermal-camera-sensor Page 4 of 29

The AMG8833 is the next generation of 8x8 thermal IR sensors from Panasonic, and offers higher performance than it's predecessor the AMG8831. The sensor only supports I2C, and has a configurable interrupt pin that can fire when any individual pixel goes above or below a thresholds that you set. To make it easy to use, we pick & placed it on a breakout board with a 3.3V regulator and level shifting. So you can use it with any 3V or 5V microcontroller or computer. Even better - We've done all the hard work here, with example code and supporting software libraries to get you up in running in just a few lines of code! © Adafruit Industries https://learn.adafruit.com/adafruit-amg8833-8x8-thermal-camera-sensor Page 5 of 29

Pinouts This camera has 4 mounting holes, and two header strips. Only the bottom strip is connected to the sensor. The top set of breakouts is there for mechanical stability only! Power Pins: Vin - this is the power pin. Since the sensor uses 3.3V, we have included an onboard voltage regulator that will take 3-5VDC and safely convert it down. To power the board, give it the same power as the logic level of your microcontroller - e.g. for a 5V micro like Arduino, use 5V 3Vo - this is the 3.3V output from the voltage regulator, you can grab up to 100mA from this if you like GND - common ground for power and logic Logic pins: SCL - this is the I2C clock pin, connect to your microcontrollers I2C clock line. There is a 10K pullup on this pin and it is level shifted so you can use 3 - 5VDC. SDA - this is the I2C data pin, connect to your microcontrollers I2C data line. There is a 10K pullup on this pin and it is level shifted so you can use 3 - 5VDC. INT - this is the interrupt-output pin. It is 3V logic and you can use it to detect when something moves or changes in the sensor vision path. © Adafruit Industries https://learn.adafruit.com/adafruit-amg8833-8x8-thermal-camera-sensor Page 6 of 29

The 6 holes at the top of the board are provided for stability and are not connected to anything. Use these if you want your sensor to sit nice and flat on a breadboard or Perma-Proto. © Adafruit Industries https://learn.adafruit.com/adafruit-amg8833-8x8-thermal-camera-sensor Page 7 of 29

Assembly Prepare the header strips: Cut the strips to length if necessary. It will be easier to solder if you insert it into a breadboard - long pins down © Adafruit Industries https://learn.adafruit.com/adafruit-amg8833-8x8-thermal-camera-sensor Page 8 of 29

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