翻译The TCS3701 features ambient light and color (RGB) sensing in parallel with proximity detect ion. The device comes in a low-profile and small footpr int, L2.5mm x W2.0mm x H0.5mm package. The Ambient Light and Color Sensing function provides five concurrent ambient light sensing channels: Red, Green, Blue, Clear, and Wideband. The RGB an d Clear channels have a UV/IR blocking filter. This architecture accurately measures ambient light and enables the calculation of illuminance, chromaticity, and color temperature to manage display appearance. The Proximity function synchronizes IR emission and detection to sense nearby objects. The internal IR LED driver needs to be connected to an external emitter. The architecture of the engine features self-maximizing dynamic range, ambient light subtraction, advanced crosstalk cancelation, 14-bit data output and interrupt-driven I²C communication. Sensitivity, power consumption, and noise can be optimized with adjustable IR LED timing and power. The proximity engine recognizes detect/release events and produces a configurable interrupt whenever the proximity result crosses upper or lower threshold settings.
时间: 2023-03-05 18:23:07 浏览: 151
TCS3701是一款同时具备环境光和彩色(RGB)感知以及近距离探测的器件。该器件采用低轮廓、小尺寸的封装,尺寸为L2.5mm x W2.0mm x H0.5mm。环境光和彩色感知功能提供五个同时进行的环境光感知通道:红色、绿色、蓝色、透明度和宽带。RGB和透明度通道带有紫外/红外阻挡滤光片。该架构可以准确测量环境光,并计算照度、色度和色温,以管理显示外观。近距离探测功能同步红外发射和检测,以感知附近物体。内部红外LED驱动器需要连接到外部发射器。引擎的架构具有自我最大化动态范围、环境光抵消、先进的串扰抵消、14位数据输出和中断驱动的I²C通信。通过可调的红外LED时序和功率,可以优化灵敏度、功耗和噪声。近距离探测引擎可以识别探测/释放事件,并在近距离探测结果穿过上限或下限阈值设置时产生可配置的中断。
相关问题
There is a light sensor on your picoprobe development board. This question asks you to use this sensor to measure the ambient light and to control the three LEDs on the picoprobe board to make a night light. Configure your program to perform the followin
g steps:
1. Read the light sensor value and store it in a variable.
2. Determine the appropriate brightness level for the night light based on the light sensor value. For example, if the light sensor value is low, set the brightness level to high.
3. Set the brightness level of the three LEDs on the picoprobe board to the appropriate value based on the light sensor reading.
4. Continuously monitor the light sensor value and adjust the brightness of the LEDs accordingly to maintain the appropriate level of brightness for the night light.
To accomplish this, you can use the built-in light sensor module in the MicroPython environment on the Picoprobe board. You may also need to use the PWM module to adjust the brightness of the LEDs.
Here's some sample code to get you started:
```python
import machine
import time
# Set up the light sensor
adc = machine.ADC(4) # Pin GP26 on Picoprobe board
light_sensor = adc.read_u16
# Set up the LEDs
led1 = machine.PWM(machine.Pin(0)) # Pin GP0 on Picoprobe board
led2 = machine.PWM(machine.Pin(1)) # Pin GP1 on Picoprobe board
led3 = machine.PWM(machine.Pin(2)) # Pin GP2 on Picoprobe board
# Main loop
while True:
# Read the light sensor and determine the appropriate brightness level for the LEDs
light_value = light_sensor()
if light_value < 5000:
brightness = 65535 # High brightness
else:
brightness = 32768 # Medium brightness
# Set the brightness level of the LEDs
led1.duty_u16(brightness)
led2.duty_u16(brightness)
led3.duty_u16(brightness)
# Wait a short time before taking the next reading
time.sleep(0.1)
```
Note that you may need to adjust the threshold values for determining the appropriate brightness level based on your specific use case and environment.
A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference.ts(1254)
这是 TypeScript 编译器报出的错误信息,它表示在环境上下文中出现了一个不支持的 const 初始化器。在环境上下文中,只有字符串、数字字面量或字面枚举引用才能作为 const 初始化器。如果你想要更具体的解决方案,需要提供更多的上下文信息,比如代码的具体位置、是否有相关的变量定义等等。希望这能帮到你!
相关推荐
![pdf](https://img-home.csdnimg.cn/images/20210720083512.png)
![zip](https://img-home.csdnimg.cn/images/20210720083736.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)
![](https://csdnimg.cn/download_wenku/file_type_ask_c1.png)