Circuitpython pin library. - cs: The CS pin DigitalInOut connected to the radio.

D2) pir. Aug 24, 2016 · Subscribe. 2A per channel using the DRV8833. Servos come in two types: A standard hobby servo - the horn moves 180 degrees (90 degrees in each direction from zero degrees). Pull | None = None) Count the number of rising- and/or falling-edge transitions on a given pin. Mar 3, 2021 · first_sideset_pin controls the pin(s) which are set by side-set operations. SPI(), latch_pin) Using the Adafruit CircuitPython 74HC595 library, you access the pins on the 74HC595 using get_pin(pin_number). NEOPIXEL, 10, auto_write=False) pixels[0] = (10, 0, 0) pixels[9] = (0, 10, 0) pixels time. It does not work with products such as ArduCam which process the camera data themselves. D7 # Create a RGB LED object led = adafruit_rgbled. CircuitPython driver for the MAX7219 LED matrix driver IC. Usage import board import displayio import gc9a01 # Raspberry Pi Pico pinout, one possibility, at "southwest" of board tft_clk = board . ShiftRegister74HC595(board. You must specify the following parameters: - spi: The SPI bus connected to the radio. These libraries provide critical functionality to many of the drivers below. Its now more like a normal Python sequence and features slice support, repr and len support. Can send commands to, and parse simple NMEA data sentences from serial and I2C GPS modules to read latitude, longitude, and more. Author(s): Scott Shawcroft. Now you'e ready to use the tone function in SimpleIO to play a tone on a pin connected to a piezo buzzer. Wifi radio used to manage both station and AP modes. For example, to simply read the raw analog pin value from the potentiometer, you would run the CircuitPython module for the TCS34725 color sensor. All classes change hardware state and should be deinitialized when they are no longer needed if the program continues after use. For information on building library documentation, May 1, 2021 · This guide will show you how to use a Raspberry Pi Pico RP2040 to connect various sensors and breakouts to your PC running Windows, Mac OSX, or Linux. First, install dependencies (feel free to reuse the virtual environment from above): Now, once you have the virtual environment activated: This will output the documentation to docs/_build/html. Jul 12, 2024 · import analogio from board import * pin = analogio. - adafruit/Adafruit_CircuitPython_TCS34725. Copy Code. Direction. NeoPixel(board. This is how it fades the LED brighter and dimmer! The time. $12. Consistency with these practices ensures that beginners can learn a pattern once and apply it throughout the Jan 5, 2018 · Next connect to the board's serial REPL so you are at the CircuitPython >>> prompt. in_pin_count – the count of consecutive pins to use with IN starting at first_in_pin. Jul 24, 2015 · Our CircuitPython starter guide has a great page on how to install the library bundle. py on your CIRCUITPY drive. To build this bundle locally you’ll need to install the circuitpython-build-tools package. IR Receiver Sensor. NEOPIXEL # Change to match the number of pixels you have attached to your board. There’s also a clock wire like in I2C, but with SPI it has the freedom to use almost any speed it desires from a few kilohertz up to hundreds of megahertz (if Installing to a Connected CircuitPython Device with Circup. Create a Counter object associated with the given pin that counts rising- and/or falling-edge transitions. This is a supercharged version of the original MicroPython driver. Python library for PCF8574 GPIO expander. Next you'll need to install the necessary libraries to use the hardware--carefully follow the steps to find and install these libraries from Adafruit's CircuitPython library bundle. There are two supported levels of sleep: light sleep and deep sleep. CircuitPython First of all, CircuitPython lives on the board whereas Arduino is a set of tool on your computer that generate a binary file that then lives on the board. To demonstrate the usage of this sensor, we will initialise it and read the distance using the board's Python REPL. class wifi. Since NeoPixels are a sequence of bytes, set the value to 8, the number of bits in a byte. - frequency: The frequency (in mhz) of the radio module (433/915mhz typically). Its argument is the struct_time or full 9-tuple (since the dst flag is needed; use -1 as the dst flag if it is unknown) which expresses the time in local time, not UTC. value) pin. Sep 13, 2017 · The big difference between SPI and I2C is that SPI uses a few more wires, in particular an explicit data input and data output wire instead of sharing a single data wire like with I2C. Aug 28, 2017 · In CircuitPython you use the board module to reference digital I/O pins. Both of these are folders with library files in them. The digital logic level of the input pin. x fourwire will be a seperate 40, 47 colstart Introduction — Adafruit GPS Library 1. pir = digitalio. Pin, *, edge: Edge = Edge. Use socketpool for communicating over the network. This object is the sole instance of wifi. You can, however, directly read an analog pin value in your code by using pin. AuthMode. venv/bin/activate pip install circuitpython-build-tools. DHT11(<pin>) OR initialize the DHT22 device: dht_device = adafruit_dht. The CircuitPython core documentation covers many of the details you might want to know about the CircuitPython core and related topics. The last step is optional because CircuitPython will do it automatically after the program finishes. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library Basics. Serialise obj to a JSON string, writing it to the given stream. Return the default SSLContext. USB cable - USB A to Jan 21, 2021 · Like any other LED, it turns on when it is powered, and is otherwise off. Return obj represented as a JSON string. x fourwire will be a seperate internal library # rather than a component of the displayio library try: from fourwire import FourWire except ImportError: from displayio import FourWire from adafruit_st7789 import ST7789 displayio. The program can simply wait for these alarms, or go to sleep and be awoken when they trigger. Waveshare do make available a driver library for micropython , but it uses the writeto_mem I2C method , which isn't made available by the circuitpython I2C library. Register Library. Sep 10, 2019 · CircuitPython is the best new way to code microcontrollers. It turns off auto_write so that all pixels are updated at once when the show method is called. ShiftRegister74HC595 (spi, latch_pin) pin1 = sr. To do so, either call deinit() or use a context manager. The board pin names are aliases to the microcontroller pin names. Pin) – The href signal from the OV7670, sometimes inaccurately called hsync. This common content is also called a boiler plate. API documentation for this library can be found on Read the Docs. Like that chip, you get 2 full H-bridges, but this chip is better for low voltage uses (can run from 2. PURPLE) while True: blink. For the essentials of analogio, see the CircuitPython 4 days ago · The choice of digital pin 5 here is arbitrary for the sake of example. 4 days ago · cyw43 – A class that represents a GPIO pin attached to the wifi chip. sleep (1) Documentation ¶ API documentation for this library can be found on Read the Docs . CircuitPython driver for use with IR Receivers. Copy the individual library files you need to the lib folder on your CIRCUITPY drive. NeoPixel (pixel_pin, num_pixels) blink = Blink (pixels, 0. It is recommended to always have them installed onto the CircuitPython file system in the lib/ directory. We'll extend the example to also show how to wire up a button/switch and enable a pull-up resistor. release_displays spi = board. For more information, refer to the original CPython documentation: cpython:ssl. Install it with the following command if necessary: pip3 install circup. import board. deinit() This example will initialize the the device, read value and then deinit() the hardware. pull_in_pin_up – a 1-bit in this mask sets pull up on the corresponding in pin. Sphinx is used to build the documentation based on rST files and comments in the code. 4 days ago · import analogio from board import * pin = analogio. INPUT. FALL, pull: digitalio. wifi. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library Jul 12, 2024 · wifi. I2C is a serial protocol because it has a clock line and single data line which is used for both sending and receiving data. digitalio. Simple test; API Reference param int positive_pin: Required pin for single-ended. Setting both pulls enables Jun 30, 2018 · This is very easy with CircuitPython and Raspberry Pi. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library 4 days ago · first_in_pin – the first pin to use with the IN instruction. With few exceptions, most any pin will do. pull_in_pin_down – a 1-bit in this mask sets pull down on the corresponding in pin. These are perhaps better known as "the drivers in our assembled Adafruit Motorshield or Motor HAT. 4 days ago · CircuitPython is a beginner friendly, open source version of Python for tiny, inexpensive computers called microcontrollers. Make sure to copy the whole folder for both into your lib folder 4 days ago · cyw43 – A class that represents a GPIO pin attached to the wifi chip. 2, auto_write = False, pixel CircuitPython driver for SD cards using SPI bus. RGBLED(RED_LED, BLUE_LED, GREEN Parameters: pin ( Pin) – The pin to output neopixel data on. py file to your CIRCUITPY/lib directory, or use circup install gc9a01. VOLTAGE_MONITOR (GP24) - This pin is connected to Vsys, which feed the voltage regulator, via a voltage divider. But what if you want to run that same code on a more POWERFUL computer like a Jetson Nano (or really any Linux SBC?) Well now you can - take advantage of the wide collection of drivers and example code we have for CircuitPython and now you can run it right on your board! Higher level NeoPixel driver that presents the strip as a sequence. For the essentials of analogio, see the CircuitPython 5 days ago · CircuitPython DotStar. - reset: The reset/RST pin DigialInOut connected to the radio. For use on a microcontroller, run the following code to import the necessary modules and initialise the connection with the sensor: Download File. There are many I2C devices available and they're really easy to use with CircuitPython. animate () Jul 31, 2017 · One of the first helpful tools for creating a CircuitPython library is called CookieCutter. 4 days ago · Design Guide. 8V motor power) and has built in current limiting capability. Dependencies¶. More details are available here . bpp ( int) – Bytes per pixel. pull_threshold controls the minimum number of bits that have to be available for an auto-pull to complete. Higher level NeoPixel driver that presents the strip as a sequence. We set it up for 1A current limiting so you Apr 2, 2018 · The main loop uses range() to cycle through the loop. DigitalInOut(board. The VL53L0X can detect the "time of flight", or how long the light has taken to bounce back to the sensor. 5, color. Or the following command to update an existing version: Download Library Bundle; CircuitPython Reference Documentation displayio 11 12 # Starting in CircuitPython 9. Remember to use the right board pin for how you've wired your sensor to your board. The default is (', ', ': '). brightness ( float) – Brightness of the pixels between 0. They're very similar but you can write to DotStars much faster with hardware SPI and they have a faster PWM cycle so they are better for light painting. The simpleio module contains classes to provide simple access to IO. CircuitPython in electronics is one of the best ways to learn to code because Make sure that you have circup installed in your Python environment. reset ( Optional[microcontroller. Jul 3, 2020 · sr = adafruit_74hc595. It is an open source project that was made to help manage common content between projects. Any pins can be used but if the two pins can form a hardware SPI port, the library will automatically switch over to 4 days ago · The keypad module provides native support to scan sets of keys or buttons, connected independently to individual pins, connected to a shift register, or connected in a row-and-column matrix. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library CircuitPython library for the MCP3xxx series of analog-to-digital converters. Requires an SPI bus and a CS pin. I2C is a 2-wire protocol for communicating with simple sensors and devices, meaning it uses two connections for transmitting and receiving data. venv/bin/activate. digitalio – Basic digital pin support displayio – High level, display object compositing system Apr 2, 2018 · adafruit_motor is a library so be sure to grab it from the library bundle if you have not yet! If you need help installing the library, check out the CircuitPython Libraries page. auto_write ( bool) – True if the neopixels should immediately 4 days ago · alarm – Alarms and sleep. It has a four-pin I2C interface (voltage, ground, SCL and SDA). Even if you use a different library to create digital in/outs like GPIO Zero, there's a number of sensor libraries that use a digital pin for resetting, or for a chip-select. - cs: The CS pin DigitalInOut connected to the radio. PIO can't exactly provide any requested frequency. Now, to initialize the DHT11 device: dht_device = adafruit_dht. Sep 21, 2016 · To use a microSD card with your Adafruit CircuitPython board you'll need to install the Adafruit_CircuitPython_SD module on your board. For example, in this case, to access pin 0, it would be sr. CircuitPython does not support PIL/pillow (python imaging library)! Introduction¶. venv source . Then import the board and simpleio modules: Download File. Bus Device. import board import displayio # Starting in CircuitPython 9. Provides readblocks and writeblocks methods so the device can be mounted as a filesystem. This means using a Single Board Computer such as a Raspberry Pi or using a chip such as an FT232H on Linux, Window, or Mac. Jul 12, 2024 · cyw43 – A class that represents a GPIO pin attached to the wifi chip. Currently supports: MCP3008: 8-Channel 10-Bit ADC With SPI Interface. Open the index. Save the following as code. The digitalio module contains classes to provide access to basic digital IO. python3 -m venv . Simple digital input that is valid until reload. get_pin(0). On the ESP32-S2, a 20MHz clock can be generated with sufficiently low jitter. Special firmware gets loaded onto the Pico and turns it into a sort of Swiss army knife providing: General Purpose digital Input and Output ( GPIO) for things like buttons and LEDs. Apr 2, 2018 · CircuitPython I2C. This guide covers a variety of development practices for CircuitPython core and library APIs. Next you'll need to install the necessary libraries to use the hardware--carefully follow the steps to find and href ( microcontroller. Jan 28, 2014 · import digitalio. The wifi module provides necessary low-level functionality for managing wifi connections. If you look at the datasheet for your microcontroller, you'll likely find a pinout with a series of pin names, such as "PA18" or "GPIO5". When the range is below 50, it PWMs the LED brightness up, and when the range is above 50, it PWMs the brightness down. Jan 21, 2021 · Drag the adafruit_circuitpython_etc. Jul 12, 2024 · The ssl module provides SSL contexts to wrap sockets in. This driver depends on: Adafruit CircuitPython. Since it uses a very narrow light source, it is good for determining distance of only the surface directly in front of it. For the Pillow Examples, you will need to be running CPython. These APIs are both built-into CircuitPython and those that are distributed on GitHub and in the Adafruit and Community bundles. Adafruit NeoPixel LED Strip with 3-pin JST Connector - 1 meter. 0 where 1. sleep (1) pin1. . NEOPIXEL to match the pin to which the NeoPixels are attached. Dec 19, 2017 · CircuitPython Core Documentation. direction = digitalio. Based on the Arduino bitWrite function, changes Adafruit CircuitPython NeoPixel. If specified, separators should be an (item_separator, key_separator) tuple. To find the pin or pad suggested in the code, see the list below. size ( int) – The captured image size. Pin]) – If not None, the shutdown signal to the camera, also called the powerdown or enable pin. This is the inverse function of localtime (). Microcontrollers are the brains of many electronics including a wide variety of development boards used to build hobby projects and prototypes. The LED is connected to pin GP25. There are two pins available in CircuitPython for power sensing on the Pico. from board import <pin>. Simple digital output that is valid until reload. In addition to the USB-serial connection you use for the REPL, there is also a hardware UART you can use. " We really like these dual H-bridges, so if you want to control motors without a shield or HAT these are easy to include on any solderless breadboard or perma-proto. To get the most compact JSON representation, you should specify (',', ':') to eliminate whitespace. The switch code remains the same. Then create a simple digital input for the PIR. Dependencies¶ This driver depends on: Adafruit CircuitPython. D5 # Pin the Green LED is connected to GREEN_LED = board. value = False time. A Feather board does not, and the NeoPixel FeatherWing normally uses pin 6 for control (or is solder-jumper selectable). Before continuing make sure your board's lib folder or root filesystem has the adafruit_bme280, and adafruit_bus_device folders copied over. Then run the build: Initialize a common-cathode RGB LED with three PWM-capable pins. Counter(pin: microcontroller. 0 and 1. mktime(t:struct_time)→int ¶. : The HC-SR04 uses 5V logic, so you will have to use a level shifter between it and your CircuitPython board (which uses 3. Jan 21, 2021 · This low-cost microcontroller board features a powerful new chip, the RP2040, and all the fixin's to get started with embedded electronics projects at a stress-free price. For CircuitPython libraries, this boiler plate can include more than twenty files. Unlike 4 days ago · digitalio – Basic digital pin support. Unzip the file, open the resulting folder and find the lib folder. i2c_address ( int) – The I2C address of the camera. First make sure you are running the latest version of Adafruit CircuitPython for your board. Initialize a common-anode RGB LED with three PWM-capable pins. sleep() is needed to allow the PWM process to occur over a period of time. 4 days ago · Functions. Examples of products to use this library with: Circuit Playground Express. espnow – ESP Jul 31, 2015 · First make sure you are running the latest version of Adafruit CircuitPython for your board. radio: Radio. Note If you want to use an HC-SR04 with MicroPython , I recommend checking out this library . Parameters: esp_pin – Valid ESP32 GPIO Pin, predefined in ESP32_GPIO_PINS. Oct 22, 2018 · In your code you'll use the appropriate pin numbers although some boards have predefined values for those pins available when the board is selected in the Arduino IDE. Apr 30, 2021 · The pin names available to you in the CircuitPython board module are not the same as the names of the pins on the microcontroller itself. Available on these boards. alarm. Oct 26, 2016 · Spin two DC motors or step one bi-polar or uni-polar stepper with up to 1. With circup installed and your CircuitPython device connected use the following command to install: circup install neopxl8. This motor driver chip is a nice alternative to the TB6612 driver. n ( int) – The number of neopixels in the chain. At least one of rise and fall must be True. Add to Cart. Apr 2, 2018 · Reading Analog Pin Values. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library Jan 21, 2021 · Power Sensing Pins Available in CircuitPython. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library cyw43 – A class that represents a GPIO pin attached to the wifi chip. You can connect a battery to Vsys, and the voltage monitor pin can be used as a crude battery voltage monitor. For QT Py M0, you'll need to comment out led = DigitalInOut(board. 0 is full brightness. Dec 4, 2019 · CircuitPython & Python Usage of US-100. This module allows you to easily write Python code that sends and receives packets of data with the radio. BusDevice Library. DotStars use two wires, unlike NeoPixel's one wire. LED) and uncomment led = DigitalInOut(board. shutdown ( Optional[microcontroller. Colors are stored as tuples by default. DHT22(<pin>) Sep 13, 2017 · The I2C, or inter-integrated circuit, protocol is one example of a serial protocol for devices to communicate with one another. The board module contains an object for each pin on the board and they’re typically named after labels on the board. GP25 is dedicated to the LED, and therefore is not available as a pin along the edge of your Pico board. 7V up to 10. Please ensure all dependencies are available on the CircuitPython filesystem. – Basic digital pin support. get_pin (1) while True: pin1. With circup installed and your CircuitPython device connected use the following command to install: circup install adafruit_pixelmap. NOTE: This class does not currently implement reading digital pins or the use of internal pull-up resistors. The earliest date for which it can generate a time is Jan 1, 2000. mktime(t: struct_time) → int. digitalio – Basic digital pin support; displayio – Native helpers for driving displays; dualbank – Dualbank Module; espcamera – Wrapper for the espcamera library; espidf – Return the total size of the ESP-IDF, which includes the CircuitPython heap. This driver is designed to work directly with the OV2640 camera module through an 18-pin header. Be careful to note this library is for the RFM95/96/97/98 LoRa radio only and will not work with the simpler RFM69 packet radio. In CircuitPython, you can access this LED using board. import board import neopixel pixels = neopixel. Radio. You can list all of the pins in the board module with Python’s dir function, for example from a board’s REPL run: >>> dir (board) Note that the OV5640 requires a very low jitter clock, so only specific (microcontroller-dependent) values may work reliably. Of course, you must import the library to use it: import adafruit_dht. This is easily achieved by downloading the Adafruit library and driver bundle. Create a lib folder on your CIRCUITPY drive. This module implements a subset of the corresponding CPython module, as described below. init_autofocus ( bool) – initialize autofocus. Introduction¶. 50. When no WP pin is supplied, protection is only at the software level in this library. 825" x 2" and can have headers soldered in for use in a breadboard or perfboard, or can be soldered directly onto a PCB with the castellated pads. CircuitPython library for 4-wire resistive touchscreens. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library This example demonstrates the library with the ten built-in NeoPixels on the Circuit Playground Express. pixel_pin = board. This is handy to talk to UART devices like GPSs, some sensors, or other microcontrollers! This quick-start example shows how you can create a UART device for communicating with hardware serial devices. SCK). esp (ESP_SPIcontrol) – The ESP object we are using. property write_wraparound: bool ¶ Apr 1, 2015 · Fire four solenoids, spin two DC motors or step one bi-polar or uni-polar stepper with 1. The digital logic level of the output pin. digitalio – Basic digital pin support; displayio – High level, display object compositing system; dotclockframebuffer – Native helpers for driving parallel displays; dualbank – Dualbank Module; epaperdisplay; espcamera – Wrapper for the espcamera library Adafruit CircuitPython NeoPixel Library latest Adafruit CircuitPython NeoPixel NeoPixel (24 pixel_pin, num_pixels, brightness = 0. This example is using pin D2 on a Trinket M0: Download File. – Alarms and sleep. Pin (esp_pin, esp) ¶ Implementation of CircuitPython API Pin Handling for ESP32SPI. Some drivers may not work without them. import board import adafruit_rgbled # Pin the Red LED is connected to RED_LED = board. LED. RGBLED(RED_LED, BLUE_LED, GREEN Jun 30, 2018 · CircuitPython is the best new way to code microcontrollers. release_displays () spi = board. Implementation Notes¶ Hardware: Adafruit MicroSD card breakout board+ (Product ID: 254) Adafruit Assembled Data Logging shield for Arduino simpleio - Simple, beginner friendly IO. 0 documentation. html in your browser to view them. Introduction. 3V logic). It's easy to use the RFM9x LoRa radio with CircuitPython and the Adafruit CircuitPython RFM9x module. Pin]) – If not None, the reset signal to the camera. On ItsyBitsy boards, this pin is special and has a 5V level shifter built in. For more information about working with the keypad module in CircuitPython, see this Learn guide. Open the lib folder and find the library files you need to load. This driver is available in the CircuitPython Community Bundle, or you can install it by hand by copying the gc9a01. A key transition event. value. The Pico is 0. When a WP pin is supplied during initialization, or using write_protect_pin, the status is tied to that pin and enables hardware-level protection. GPS parsing module. It includes API and usage info, a design guide and information about porting CircuitPython to new boards, MicroPython info with relation to CircuitPython, and general information about the project. Apr 2, 2018 · CircuitPython UART Serial. num_pixels = 10 pixels = neopixel. uf2 file to RPI-RP2. But what if you want to run that same code on a more POWERFUL computer like a Raspberry Pi (or really any Linux SBC?) Well now you can - take advantage of the wide collection of drivers and example code we have for CircuitPython and now you can run it right on your Pi using Blinka! Jul 6, 2020 · class countio. Make sure that you have circup installed in your Python environment. Provides alarms that trigger based on time intervals or on external events, such as pin changes. import simpleio. 2A per channel (3A peak) using the TB6612. We have libraries available for many I2C devices in the library bundle. Once installed, make sure you are in the virtual environment: source . Settings related to SSL that can be applied to a socket by wrapping it. The get_voltage() helper used in the potentiometer example above reads the raw analog pin value and converts it to a voltage level. - adafruit/Adafruit_CircuitPython_MAX7219. value = True time. Nov 23, 2016 · The VL53L0X is a Time of Flight distance sensor like no other you've used! The sensor contains a very tiny invisible laser source, and a matching sensor. init (mode = 0) ¶ Apr 2, 2018 · See below for a wiring diagram illustrating how to connect an external LED to a QT Py M0. AnalogIn(A0) print(pin. Compared to other serial protocols I2C has some interesting properties: The I2C protocol only time. The DHT type devices use single data wire, so import the board pin. Adafruit CIRCUITPYTHON_ADS1X15 Library latest Introduction; Examples. ¶. # For other boards, change board. 3 for RGB and 4 for RGBW pixels. D6 # Pin the Blue LED is connected to BLUE_LED = board. xw mq dr id gt ts cg pa is ki