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# Unit THERMAL {docsify-ignore-all}
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<img src="assets/img/product_pics/unit/M5GO_Unit_thermal.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/unit_thermal_grove_a.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/M5GO_Unit_thermal_02.png" width="30%" height="30%">
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<img src="assets/img/product_pics/unit/M5GO_Unit_thermal.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/M5GO_Unit_thermal_02.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/unit_thermal_grove_a.png" width="30%" height="30%">
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***
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## Description
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**<mark>THERMAL</mark>** is a thermal camera module contains thermopile sensors named **MLX90640**. the MLX90640 contains a 32x24 piexls IR array. It communicates with M5GO Core via GROVE which actually is a I2C interfacel.
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As the images show you can detect surface temperatures from many feet away with an accuracy of ±1.5°C (best case).
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After burn the firmware of the module's demostatrion to M5GO Core via `M5Burner`, the module will be running. Then you can program it via Arduino IDE.
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**<mark>THERMAL</mark>** is a thermal camera Unit contained thermopile sensors named **MLX90640**. It can be used to measure the surface temperature of an object and form a thermographic image by a temperature gradient composed of different surface temperatures. The image size and resolution of the MLX90640 output is **32 x 24**.
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The unit communicates with m5core through GROVE A(IIC). And IIC address is 0x33.
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The MLX90640 Infrared (IR) sensor array combines high resolution and reliable operation in harsh environments, providing a cost-effective alternative to more expensive high-end thermal imaging cameras. Unlike the case of a microbolometer, the sensor does not require frequent recalibration, ensuring continuous monitoring and reducing system cost.
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The field of view (FoV) option includes a standard 55° x 35° version and a wide angle version of 110° x 75° for distances up to 7m. THERMAL uses a version of **55° x 35° FoV**, also known as the BAB package.
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The Unit communicates with the M5Core through the Grove A interface, and its IIC address is **0x33**
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<img src="assets/img/product_pics/unit/thermal/unit_thermal_05.png">
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## Feature
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- 32x24 piexls
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- Target temperature -40°C ~ 300°C
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- GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc)
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- Two Lego installation holes
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- Operating Voltage: 3V-3.6V
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- Current Consumption: 18mA
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- Field of View: 55°x35°
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- Measurement Range: -40°C-300°C
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- Resolution: ±1.5°C
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- Refresh Rate: 0.5Hz-64Hz
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- Operating temperature: -40°C ~ 85°C
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<!-- - GROVE interface, support [UIFlow](http://flow.m5stack.com) and [Arduino](http://www.arduino.cc) -->
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- Two Lego installation holes
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## Include
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- 1x THERMAL Unit
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- 1x Grove Cable
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## APPLICATION
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- High precision non-contact temperature measurements
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- Intrusion / Movement detection
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- Visual IR thermometers
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- Temperature sensing element for intelligent building air conditioning
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## Related Link
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@@ -80,7 +93,7 @@ interpolate_image(reversePixels,ROWS,COLS,dest_2d,\
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### PinMap
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<table>
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<tr><td>M5Core(GROVE A)</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>M5Core (GROVE A)</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>THERMAL Unit</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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@@ -103,21 +103,8 @@
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<source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201903/StickC%20Watch.mp4" type="video/mp4">
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</video>
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<!-- - **M5StickC 的案例 - 3D 鼠标**
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<video width="500" height="315" controls>
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<source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/StickC/3D_Mouse.mp4" type="video/mp4">
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</video> -->
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- **M5StickC 的案例 - 测试 DSD**
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<video width="500" height="315" controls>
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<source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201904/Simple_Watch_Device.mp4" type="video/mp4">
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</video>
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<!-- - **M5StickC 的案例 - 驱动蜂鸣器**
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<video width="500" height="315" controls>
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<source src="https://m5stack.oss-cn-shenzhen.aliyuncs.com/video/Blog/Twitch201904/Connect-passive-buzzer-to-M5StickC.mp4" type="video/mp4">
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</video> -->
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# THERMAL - 人体红外成像Unit {docsify-ignore-all}
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<img src="assets/img/product_pics/unit/M5GO_Unit_thermal.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/unit_thermal_grove_a.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/M5GO_Unit_thermal_02.png" width="30%" height="30%">
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<img src="assets/img/product_pics/unit/M5GO_Unit_thermal.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/M5GO_Unit_thermal_02.png" width="30%" height="30%"><img src="assets/img/product_pics/unit/unit_thermal_grove_a.png" width="30%" height="30%">
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***
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## 描述
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**<mark>Thermal</mark>**是一款内置热电堆传感器(一种热释红外传感器，型号**MLX90640**)的Unit，可以用了测量物体表面温度，并由各个表面温度不同组成的温度梯度而形成热成像图。MLX90640输出的图片大小和分辨率是32x24。
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**<mark>THERMAL</mark>** 是一款内置热电堆传感器 ( 一种热释红外传感器，型号 **MLX90640** ) 的 Unit。它可以用了测量物体表面温度，并由各个表面温度不同组成的温度梯度而形成热成像图。MLX90640 输出的图片大小和分辨率是 **32 x 24**。
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该Unit同样与M5Core通过PORT A(I2C)接口通信。IIC地址为0x33。
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MLX90640 红外（IR）传感器阵列结合了高分辨率和在恶劣环境中可靠工作的能力，为更昂贵的高端热像仪提供了高性价比的替代方案。与微测辐射热计的情况不同，该传感器不需要频繁重新校准，从而可确保连续监测并降低系统成本。
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使用该Unit可以方便的测量各个物体表面温度(正常误差±1.5°C)
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视场角（FoV）选项包括标准的 55°×35° 版本和 110°×75° 的广角版本，距离可以达到 7m。 THERMAL 采用的是 **55°×35° FoV** 的版本，也叫 BAB 封装。
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该 Unit 与 M5Core 通过 Grove A 接口通信，它 的 IIC 地址是 **0x33**
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<img src="assets/img/product_pics/unit/thermal/unit_thermal_05.png">
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## 特性
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- 目标温度：-40°C ~ 300°C
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<!-- - GROVE接口，支持[UIFlow](http://flow.m5stack.com)编程，[Arduino](http://www.arduino.cc)编程 -->
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- Unit内置两个Lego插件孔，方便与Lego件结合
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- 工作电压：3V ~ 3.6V
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- 工作电流：18mA
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- 视场角：55°×35°
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- 测量温度：-40°C ~ 300°C
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- 精度：±1.5°C
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- 可编程刷新率：0.5Hz ~ 64Hz
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- 工作温度：-40°C ~ 85°C
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- Unit 内置两个 Lego 插件孔，方便与 Lego 件结合
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## 包含
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- 1x THERMAL Unit
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- 1x Grove 线
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## 应用
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@@ -85,8 +98,8 @@ interpolate_image(reversePixels,ROWS,COLS,dest_2d,\
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### 管脚映射
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<table>
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<tr><td>M5Core(GROVE接口A)</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>人体红外成像Unit</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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<tr><td>M5Core ( GROVE 接口 A )</td><td>GPIO22</td><td>GPIO21</td><td>5V</td><td>GND</td></tr>
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<tr><td>人体红外成像 Unit</td><td>SCL</td><td>SDA</td><td>5V</td><td>GND</td></tr>
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</table>
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## 相关视频
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