Esphome lambda
Esphome lambda. # Example configuration entry output: - platform: gpio pin: D1 id: gpio_d1. By default, all logs with a severity DEBUG or higher will be shown. ble_write: id: Bed. The template text sensor platform allows you to create a text sensor with templated values using lambdas. # Example configuration entry esphome: name: livingroom comment: Living room ESP32 controller area: Living Room esp32: board: nodemcu-32s. OttoWinter added a commit to esphome/esphome-docs that referenced this issue on Dec 2, 2018. call. The states to be checked are stacked (not nested) under the and: modifier. Use null to disable subscribing to the component’s command topic. is_below_horizon can only be called in the automation framework and is not available in a template. The logger component automatically logs all log messages through the serial port and through MQTT topics (if there is an MQTT client in the configuration). This is an Action that can be used to change the active option in a select component (first, last, previous or next), using a generic templatable action call. The length here must equal the number of items in the return statement of the lambda. I think your good, it's probably compiler related (no ESPHome) The minimal example you posted above also works fine. ESPHome has support for several different types of displays. Base Output Configuration¶ Each output platform extends this configuration schema. I think sun. In this lambda, we’re first creating a new instance of our custom class (new MyCustomSensor()) and then assigning it to a variable called my_sensor. Has to be in brackets {}! return {}; if you don’t want to publish a new state (advanced). pages (Optional, list): Show pages instead of a single lambda. Cannot be used with lambda. Here’s the code: on_press: then: - lambda: |-. For the random is another whole stuff which I believe is not the most important part of this request. Okay, the real solution I just picked from esphome source code is: global_api_server->is_connected() Important notice: it returns false if there are no connected API clients. This will be called on boot to register our sensor in ESPHome. OttoWinter closed this as completed in esphome/esphome-docs#95 on Dec 2, 2018. Kinda clunky, but at least it works. com First, we specify a lambda that will be used to instantiate our sensor class. Mastering lambda expression syntax opens the door to a world of customizations within your ESPHome configurations. Servos are motor controllers that contain all the electronics necessary for driving the motor and provide a simple PWM interface to control the motor. g INFO or WARN) can help with the performance of the application and memory size. Ambient Light Sensor tcs34725 example by @RubenKelevra. set_rgb(0. The first one is in the 6D06 (3-6 character) where I need to read in reverse order by 2 character so 6D06 needs to become 066D and then converted to the decimal value 1645 (next this needs to be divided by 100 resulting in 16. id (Optional, ID): Manually specify the ID used for code generation. Within ESPHome they emulate a real internal GPIO pin and can therefore be used with many of ESPHome’s components such as the GPIO Sep 6, 2021 · Lambda’s are C++ which is a traditional programming language unlike yaml that uses “human readable” commands. 800000cm above critical”. Regarding this: the lambda returning a string has to be in a ‘text_sensor’ component, not a ‘sensor’ component. Some “Special” commands have been added to the basic display set. See Display Pages. In lambda function: /config/esphome Text Sensor Filters ¶. The GPIO output component is quite simple: It exposes a single GPIO pin as an output component. Apr 16, 2023 · Well, ESP32 can be scheduled to wake up at specific time. My code exposes sprinkler controls, duration and multiplier settings to HA. If your SSD1327 is connected via the 4-Wire SPI bus, see Over SPI. then: - lambda: |-. ESPhome and/or/not conditions. But you could get the elevation. 3” with 128x64 monochrome pixels ( SH1106 128x64 ). Rtttl Buzzer. Increasing the log level severity (to e. The JSON message will be constructed using the ArduinoJson library. I have searched and googled and I must be missing somethign obvious. - id: animate. # ESPHome program to test how to control WS8212 LED strip # WS8212 LED Strip can be divided in segment, each one can be address to Turn On/Off as well as control Brightness and Flash_length # Credit and many thanks goes to CK Smart (home assistant Jun 22, 2019 · For anyone else, this was what I couldn’t find earlier, just did not fluke the right google string till late last night. This integration works with both continuous-rotation and absolute servos and has a similar interface to the Arduino Servo library. These are often called CLK and DT as in above image. lambda (Required, lambda): The lambda to run for instantiating the light output(s). I’m going to link to some of my ESPHome YAML on GitHub, maybe it’ll help you get started: github. lambda (Required, lambda): The lambda to run for instantiating the binary sensor(s). lights (Required, list): A list of lights to initialize. sensors with ESPHome. color_palette (Optional): The type of color pallet that will be used in the ESP’s internal 8-bits-per-pixel buffer. It uses I²C Bus for communication. There are multiple ways to solve this. Time & Temperature on OLED Display. The communication with this component is done via a UART using Modbus . The home assistant entity state updates (in home The MAX7219 digit is based on the fully fledged Display Rendering Engine, as it has a concept of individual pixels 8 X 8 per max7219 chip. speed_count ( Optional, int): Set the number of supported discrete speed levels. May 6, 2020 · Lambda if statement help - ESPHome - Home Assistant Community. One solution is to create a template sensor with an update_interval: 1s. The HASS image has ESPHome installed within the same system. id: rgb_led. Fix docs for LCD display strftime esphome/esphome-docs#95. All options from Light. ¶ The DHT22 and DHT11 require external pull up resistors on the data line. See GPIO Switch. macAddress(). I’d like to see the sensor display minutes and seconds Aug 6, 2021 · The system has a central server (Intel i5) which has a bridged interface on the same subnet as the esp devices. The value is used to calculate the percentages for each speed. 7kΩ (anything in the range from 1kΩ to 10kΩ probably works fine, but if you’re having issues try the 4. 0); return "low: "+ to_string(round(distance * 10) / 10) + "cm above critical"; The above code produces the following result for the text_sensor: “low: 6. ESPHome has a feature to prevent two GPIO Switches from being active at the same time called interlocking. However, due to the use of the pulse counter peripheral, a maximum of 8 channels can be used! Aug 19, 2020 · Hi. This is especially useful with nodes that operate on batteries and therefore need to conserve as much energy as possible. sun: # your location. Connect CLK to the SCL (clock) pin you chose for the I²C Bus and Apr 3, 2022 · ESPHome. Please first read Custom Sensor Component guide, the same principles apply here. # Example configuration entry sensor: - platform: adc pin: GPIOXX name: "Living Room POST Body in JSON format (syntax 2)¶ Note: use this syntax to send boolean or numbers in JSON. g. First, you need to use the Nextion Editor to create a display file and insert it using the SD card slot. Everything written here is pretty well documented, even the use of the static inside the lambda. This component can be used to create custom binary and float outputs in ESPHome using the C++ (Arduino) API. Or with some YAML anchors Nov 1, 2020 · The snippet of code below is intended to take a physical button and use it to toggle the mode between off and auto each time it’s pressed. Native API Custom ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems. Modified 1 year, 6 months ago. characteristic_uuid: DB801041-F324-29C3-38d1-85C0C2E86885. I would like to use a cover template in ESPHome to determine the current state of the cover and report back but having some issues with logic in ESPHome. time: - platform: homeassistant. Chupaka (Pavel Skuratovich) September 18, 2022, 4:09pm 7. Let me explain: I need to whenever a sensor in Home Assistant change it’s value, ESPHome should run a pre determined ESPHome script for each value from the sensor. Defaults to 16ms. I have achieved displaying a static string. ESPHome is a framework for working with ESP devices, and making them easier to setup and use in a home automation environment. The solution was easier than I thought. Jul 27, 2020 · While I’m not 100% what you want to accomplish, I think what you may want to look at is including the lambda function for triggering another action in the text_sensor itself. But a Lambda within this sensor will not allow a return operation containing a string. # Example configuration entry light: - platform: fastled_clockless chipset: WS2811 pin This page refers to version V3 of the PZEM004T. Once configured, you can use any of the 16 pins as pins for your projects. operation: id: my_select operation: !lambda Mar 27, 2019 · id(my_sensor). The display used here is 1. Oct 20, 2023 · Embrace the Lambda Magic. light(); static boolean initial_run = true; Automations and templates are two very powerful aspects of ESPHome. To enter deep sleep at sunset is pretty easy. Dec 8, 2019 · Hi I’m trying to dispaly EspHome node IP Address using lambda IP it’s comming from DHCP server text_sensor: - platform: template name: "${name}_MAC_Address" lambda: 'return {WiFi. 45 to be stored May 23, 2023 · I am working on building a garage door sensor using reed switches. By virtue, text_sensors want to be supplied with [pointers to] strings, not binary Dec 12, 2023 · I have an ESP32 setup and connected to a 1602 LCD display. # Example configuration entry sensor: - platform: rotary_encoder name: "Rotary Encoder" pin_a: D1 pin_b: D2. I’m building a parking aid for my garage which consists of a nodemcuv2, hc-sr04 ultrasonic sensor, and a strip of ws2812b LEDs. Done this way to show you more options. Useful for debouncing binary switches. service_uuid: DB801000-F324-29C3-38D1-85C0C2E86885. Ask Question Asked 1 year, 6 months ago. I’ve tried to just use the switch directly, but is that possible? Or do I need to create a sensor that holds the state of the switch to be able to display the state? This is the config I have so far: substitutions: device_name: kitchendisplay esphome: name: kitchendisplay platform: ESP8266 board Note: you can also use the lambda from the template sensor with update interval to a desired value, etc. This text-sensor template updates the time into the text sensor every 60 seconds. Configuration variables: id ( Required, ID ): The ID of the number component to update. Dec 21, 2020 · Something like this: When flow is > x then update interval = 1s. - platform: neopixelbus. In some cases it is necessary to ensure that two outputs are never active at the same time. Defaults to 1s. Oct 20, 2023 · Dive into the syntax of lambda expressions, learn how to create conditional logic, integrate functions, and control your devices with precision. using the command line. Possible return values for the optional lambda: return COVER_OPEN; if the cover direction_output ( Optional, ID ): The id of the output to use for the direction state of the fan. - platform: vl53l0x. With the fan domain you can create components that appear as fans in the Home Assistant frontend. For example, when uploading a binary to your ESP you have probably used UART to access the chip. This sketch used to work fine, however, since I changed the lambda to include the pills section it doesn’t seem to work Additionally to the lambda and addressable_lambda light effects, effects can also be written through ESPHome’s Automation system with the automation effect type. On the ESP32, this sensor is even highly accurate because it’s using the hardware pulse counter peripheral on the ESP32. With the OTA (Over The Air) update component you can upload your firmware binaries to your node without having to use a USB cable for uploads. DHT22 Temperature & Humidity Sensor. For example, a press is triggered in the first moment when the button on your mouse is pushed down. from Home Assistant. Pulse Counter Sensor. Aug 31, 2023 · hello, how can i combine 2 strings / values for my display? i ve. ESPHome natively supports this through its run and upload helper scripts. See Rendering Lambda for more information. For the last type, ESPHome has a powerful rendering engine that can do many things like draw some basic shapes, print text with any font you want, or even show images. play function with a randomly selected song through a tiny speaker. I’ve managed to get it working but I have 2 remaining issues. is_on: esp32_local_switch. The issue I am having is the state of the sensor displayed on the screen does not update. Aug 16, 2019 · OttoWinter closed this as completed in esphome/esphome@5348b36 Aug 31, 2019 esphome locked and limited conversation to collaborators Oct 19, 2019 silverchris pushed a commit to silverchris/esphome that referenced this issue May 23, 2020 Saved searches Use saved searches to filter your results more quickly May 17, 2021 · static float distance = 0. set_update_interval(update_interval); id(my_sensor). Default is empty. The automation given in the sequence block will be repeatedly executed until the effect is stopped by the user. ESP32 Bluetooth Low Energy Tracker Hub ¶. operation Action ¶. (Store this file in Jun 18, 2021 · Hi ESPHome Experts! I’m trying ESPHome for the last 4 days and I’ve accomplished a lot within a few hours of investigating and programming the yaml file. In the json option you have access to a root object which will represents the base object of the JSON message. In the lambda of that sensor you decide whether the flow is high enough or whether 60 seconds have passed. The template cover platform allows you to create simple covers out of just a few actions and a value lambda. toString(). ESPHome also has an “OTA safe mode”. # Using values - select. Below I added an example how I imagine it could look like. The esp32_ble_tracker component creates a global hub so that you can track bluetooth low energy devices using your ESP32 node. UART is a common serial protocol for a lot of devices. But for the last 2 days I’m stuck within a problem. update_interval (Optional, Time): The interval to call the lambda to update the display. And you can use the sun component. RoadkillUK (Roadkill Uk) May 6, 2020, 9:24am 1. So when you want to write some text or sensor values to the screen you will be writing in update_interval (Optional, Time): The interval on which to update the number by executing the lambda. This is useful if you need to give an id to the component you created. ESPHome. ESPHome will always subscribe to a manually configured command topic, even if the component is internal. For example I use an input_number to adjust a delay in esphome. Let's begin with an example to explain these concepts. The debug component can be used to debug problems with ESPHome. E. c_str()};' icon: mdi:fingerprint update_interval: 1d - platform: template name: "IP Address" lambda: 'return {WiFi. Below my code block where I want to print: logger. Note if the values this sensor outputs go in the wrong direction, you can just swap these two pins. cycle ( Optional, boolean): Whether or not to set the number to its minimum value when the increment pushes the value beyond its maximum value. Mar 9, 2021 · Hi. In this example I have used a SSD1306 OLED Display over I²C to show current time and two different temperature values from Home Assistant. For example: int add3(int x) {. One of 0° (default), 90°, 180°, 270°. ¶. Its operation is similar to the Bang-Bang controller; a sensor measures a value (the air temperature) and the controller will try to keep this value within a range defined by the set Dec 8, 2021 · To troubleshoot ESPHOME code I can print to the logger without any problem. Buzzer Module ¶. You must therefore have a uart: entry in your configuration with both the TX and RX pins set to some pins on your board and the baud rate set to 9600 Each platform of the output domain exposes some output to ESPHome. optimistic (Optional, boolean): Whether to operate in optimistic mode - when in this mode, any command sent to the template number will immediately update the reported state. My challenge is to print to the logger from within lambda code blocks? I have read the logger component, but that doesn’t bring me any further. Parameters passed into the lambda x (float): The parsed float value of the modbus data data (std::vector<uint8_t): vector containing the complete raw modbus response bytes for this sensor note: because the response contains data for all registers in the same range you have to use data[item->offset] to get the first response byte for your sensor. See also Component. localIP(). restore_value: no. I’m experimenting with 8x8 matrices (actually I’m more of a tester) so ignore the platform:. operation: id: my_select operation: Next cycle: true # Or templated (lambdas) - select. Jun 15, 2022 · The ESPHome “sensor” will correctly read the value. it. Then we will set up a new remote transmitter with an infrared LED (like this one) to transmit the code when a switch is triggered. Jun 13, 2023 · Thank you very much, the whole thing works perfectly. Sep 9, 2022 · I am struggling with the hex-string to dec value in lambda function. on_press: then: if: condition: and: - binary_sensor. This can be used to improve color depth quality of the image. UART Bus. The ssd1327_i2c display platform allows you to use SSD1327 ( datasheet , Waveshare) displays with ESPHome. Deep Sleep Component ¶. components (Optional, list): A list of components to initialize. I have a device, where a certain service/characteristic sends notify In my lambda code, I can do a "on notify:" - but if the characteristic ()when queried) responds with a 18 bye array - will the notify function then also contain the 18 byte array, of will I have to query for the array The fastled_clockless light platform allows you to create RGB lights in ESPHome for a number of supported chipsets. I have created a global array, globals: - id: songs. You have to love ESPHome. To achieve all this flexibility displays tie in directly into ESPHome’s lambda system. RX: This line is used to receive data Here you specify some core information that ESPHome needs to create firmwares. A fan can be switched on or off, optionally has a speed between 1 and the maximum supported speed of the fan, and can have an oscillation and direction output. Fan Component. ’ Mar 6, 2022 · For this to work, I need to have the AddressableLight object in the lambda. c_str()};' icon: mdi:fingerprint update_interval: 1d Result: MAC Template Cover ¶. OttoWinter mentioned this issue on Dec 2, 2018. type: std::vector<std::string>. ESP32: GPIO32 through GPIO39 can be used. As you experiment and integrate them into your projects, you’ll discover the elegance and efficiency of tailoring your devices’ behaviors to your exact specifications. ESPHome floor heating controller (proportional valves) by @nliaudat. There are a lot of filters that sensors support. Clockless FastLED lights differ from the SPI in that they only have a single data wire to connect, and not separate data and clock wires. ESPHome allows you to do some basic pre-processing of text_sensor values before they’re sent to Home Assistant. ESP8266: Only pin A0 (GPIO17) can be used. # Example configuration entry sensor: - platform: homeassistant name: "Temperature Sensor From Home Assistant" entity_id: sensor. My problem is that I don’t manage to find a way to get rid of all the excess zero’s (I want to only have a The homeassistant sensor platform allows you to create sensors that import states from your Home Assistant instance using the native API. The server is running a QEMU virtualisation environment hosting a single VM running the HASS OS Image bridged through directly to the local LAN. temperature_sensor. This is for example useful if you want to manipulate the text_sensor string in some fashion. Everything you draw in lambda: will be rotated by this option. select. Thermostat Climate Controller. 2 means that you have 50% and 100% while 100 will allow 1% increments in the output. I just want to mention that they have made it really easy to bring in values from HA with the api. static AddressableLight my_light = id(rgb_led). . id: ha_time. Nov 4, 2019 · The step of the lambda that needed that RGB value converted to -. Deep Sleep Component. It also allows you to get the same information as a text sensor, and to monitor the state of the ESP heap memory (free space, maximum free block size and fragmentation The debug component can be used to debug problems with ESPHome. Then the sliding_window_moving_average filter would use the value returned from the lambda filter to perform the average. See Setting up devices for information on how you can determine the MAC address of a device and track it using ESPHome. Following is my final code, hoping that someone in the community will benefit form it. These are grouped into two categories: binary outputs (that can only be ON/OFF) and float outputs (like PWM, can output any rational value between 0 and 1). The rtttl, component allows you to easily connect a passive piezo buzzer to your microcontroller and play monophonic songs. epshome_shopping_list id: alexa_shopping_list on_value: then: - lambda: 'id(data_updated) = true;' Any help would be awesome? Thanks Sep 14, 2022 · I’ve flashed a D1 Mini with code that uses the new ESPHome Sprinkler Component to operate four sprinkler valves. Jan 5, 2023 · on_notify - data from service/characteristic ? #4264. The pulse counter sensor allows you to count the number of pulses and the frequency of a signal on any pin. lambda (Optional, lambda): The lambda to use for rendering the content on the display. Most importantly, this is the section of the configuration where you specify the name of the node. update_interval (Optional, Time): The interval to re-draw the screen. ESPHome Curtain/Cover/Shutter Switch from a noname Tuya switch by @ludrao. See Light . SSD1327 OLED Display ¶. It also allows you to get the same information as a text sensor, and to monitor the state of the ESP heap memory (free space, maximum free block size and fragmentation Fan Component ¶. OTA Update Component. I currently have a lambda which contains multiple “if” statements to trigger the led strip to light up different colors depending on the ultrasonic reading. Defaults to 60s. command_retain ( Optional, boolean): Whether MQTT command messages sent to the device should be retained or not. This is an Action for incrementing a number value by its step size (default: 1). else update interval = 1 min. return x+3; } They should be able to access most of the normal ESPHome C++ api and also normal Arduino stuff and everything from the libraries you can add (also under “esphome:”) 2 Likes. Example: If HA Nov 29, 2018 · 4732e70. However, I only want this block of Dec 14, 2019 · static variables are initialized correctly (plus this is direct C++, no ESPHome intervention here). RP2040: GPIO26 through GPIO29 can be used. You just have to get sunrise time and replace the placeholder. At startup, it prints a bunch of useful information like reset reason, free heap size, ESPHome version and so on. There are different values in the hex string where a few pairs make up these values. ESP32 Bluetooth Low Energy Tracker Hub. To do this, solder a resistor with about 4. UART (or for Arduino often also called Serial) usually consists of 2 pins: TX: This line is used to send data to the device at the other end. See Also¶ Edit this page on GitHub The SX1509 component allows you to expand your I/O capabilities: ( datasheet , SparkFun) in ESPHome. Jul 19, 2019 · So my solution was to perform a lambda filter to make NaN into 999. install ready-made project. For anyone else looking for how to send an global int number to a ble_write command: - ble_client. We will use ESPHome’s dumping ability to output the decoded remote code directly. - platform: homeassistant entity_id: sensor. ESPHome Free your Thomson Guardian gate controller by @ludrao. Jan 30, 2020 · 3 Likes. The example below is an example of a custom float output; this custom output is essentially the same as the ESP8266 software PWM output. Elevate your ESPHome configurations with this in-depth guide to Lambda Expressions. 72); call. It accepts the Ring Tone Text Transfer Language, rtttl format ( Wikipedia) which allows to store simple melodies. Maybe someone with better C++ skills knows. Ive tried a few different things adding a value template to replace the comma with a new line, but it doesnt work. Possible return values for the lambda: return {"STRING LITERAL"}; the new value for the sensor of type std::string. Changing the switch on the home assistant, it’ll configure the new interval and start updating faster, turning off, will revert. Default to false. Automations allow you to perform actions under certain conditions and templates are a way to easily customize everything about your node without having to dive into the full ESPHome C++ API. set_brightness(0. Let’s call this a countdown timer. Note that output components are not switches and will not show up in Home Assistant. Just give each switch in the “interlocking group” an interlock option with a list of all the switches in the group. To use deep_sleep first specify how long Mar 21, 2023 · I had to declare the vector’s standard class but that got me to where I need to go. Possible clients are Home Assistant and esphome logs (can be more). First bring the sensor into the sketch with: GPIO Output. I am now trying to display a formated string containing the state of my garage door binary sensor. log: “write to the log: Temperature too high” The command obviously works outside the lambda block, but I can’t find Mar 9, 2023 · So I have a text sensor where I want to replace every comma in the string with a newline return character. Template Cover. The servo component allows you to use servo motors with ESPHome. pixel_mapper (Optional, lambda): A lambda that returns the integer address of the LED given the supplied the x and y pixel coordinate Dec 28, 2021 · ‘it’ is an object (display buffer, basically) defined within ESPHome and passed to the YAML-macro’s lambda on each callback. printf(205, 100, id(consolaMono_bold_30), TextAlign::BASELINE_RIGHT, "%s, ", id(dayoftheweek Oct 13, 2019 · Hi All I have a switch that I would like to display in the lambda in esphome if it’s on or not. Defaults to false. The thermostat climate platform allows you to control a climate control system in much the same manner as a physical thermostat. 9 Valve Sprinkler Controller configuration by @hwstar. 67, 0. call_setup(); I need to call call_setup because it will update the interval internally, depending on the sensor, this may have a side effect. Merged. The idea in a nutshell was to use the RTTTL. Please try without changing the my_err etc variables (like in the last example you posted), then the code works fine. Note that this component is for displays that are connected via the I²C Bus. If you let ESPHome manage the display (and you should), then all display actions should go through ‘it. When using a lambda call, you should return the delay value in milliseconds. 7kΩ recommended by the manufacturer) between DATA and 3. 3V. Nov 7, 2022 · ESPHome Cover lambda-function. Viewed 2k times 0 I'm trying to control my cover with 2 buttons To use rotary encoders in ESPHome, first identify the two pins encoding the step value. ESPHome can only send instructions to the display to tell it how to render something and what to render. by migrating from Tasmota. I will have a reed switch at the very bottom of the door for signal a FULL close and a reed switch at the very top of the door to signal a FULL open. The deep_sleep component can be used to automatically enter a deep sleep mode on the ESP8266/ESP32 after a certain amount of time. If for some reason your node gets into a boot loop, ESPHome ESPHome is a system to control your microcontrollers by simple yet powerful configuration files and control them remotely through Home Automation systems. ozeraser (M) April 3, 2022, 6:44am 1. Here is my sensors Feb 4, 2024 · ESPHome show time ESPHome Just leaving this here for anybody who wants to know the current time of your ESPHome device. First, the remote code will be captured with an IR receiver module (like this one ). Once defined, it will automatically appear in Home Assistant as a cover and can be controlled through the frontend. Entity state attributes can also be imported: Apr 5, 2021 · In that header file you can just write C/C++ functions that you can use in lambdas. Binary Sensor Automation¶ The triggers for binary sensors in ESPHome use the lingo from computer mouses. 0; distance = (x-114. The Analog To Digital ( adc) Sensor allows you to use the built-in ADC in your device to measure a voltage on certain pins. 72); So, that sorted my issue! I went through the above steps for each of the transition RGB values I needed, and the code now works as expected. For using the older V1 variant of this sensor please see pzem004t. 3 tasks. I can get it to turn on or off with on_press, but the if / and argument to toggle it is the problem. 45, 0. In the lambda you’re passed a variable called it as with all other displays. - esphome/esphome Rendering Lambda¶ With Nextion displays, a dedicated chip on the display itself does the whole rendering. I’ve also added a template that exposes the number of seconds remaining (time_remaining()) as a sensor in HA. ly us vv un qs ni bq fh be jg