} var. You could also unit the task with a pointer to a static variable that defines the delay time and use that instead of hard coding it. ESP32Time: Set and retrieve internal RTC time on ESP32 boards. Don't start and end tasks for each user activity and don't delay them for extended periods of time. Post by ry1234 » Sat Feb 04, 2017 3:42 am . Hi there, straight to the point. To see the result both ESP32 board should be connected to the PC via USB and a console should attached to the USB ports. Looking back it is clear sure a delay delays = blocking the whole. This simple library for Arduino implements a machine state for reading the Maxim Integrated DS18B20 temperature sensor without blocking the main loop() of the sketch. This library is designed for Arduino, ESP32, ESP8266. Share. I edited the example code and removed all I. void startTaskFunction(void *params) { //this is the function while ( true ) { xSemaphoreTake (StartSema,portMAX_DELAY); //which in order to start waits this Semaphore to be Given while ( true ) { //do some logic to controll a motor and keep it steady /////to stop this while. All functions are non-blocking (without using delay() function) Easy to use with multiple LEDs. 0. There are many examples of how to do this on the ESP32 in the Arduino IDE using FreeRTOS). In this video, we will learn to create a non-blocking delays in MicroPython which is very similar to millis funtion of Arduino. The delay. My only recourse was to place a non-blocking delay between SPIFFS. Hi, I have several tasks in freeRTOS on my ESP32 delaying with the vTaskDelay-function. I haven't measured this, but it wouldn't be surprising if this was a few tens of microseconds. ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. I am trying to create my own delay function but my sketch keeps crashing. In regular arduino code, the delay function. 9. Which makes 'loopDelay' a stupid name 'SerialInterval' is more appropriate. ESP32 → PC: Your code on ESP32 send data via Serial. That is the firmware. One way would be to set up a FreeRTOS message queue which your while loop can scan. Which means things like IRAM_ATTR need to be used in interrupt services. * * This example also provides the firmware update option. Hello together, I’m using the Pololu - VNH5019 Motor Driver Carrier to control a 12v motor with an ESP32. If you are using an Arduino with an ATmega328 (Uno, Ethernet) or an a. ESP32 - LED - Blink Without Delay. 3000ms is enough). QoS 1 and 2 have different behaviors since the protocol requires extra steps to complete the process. Here we discuss how to use millis() and micros() and their major advantages compared to delay(). Code for Shift Register: Switch Debouncer. ESP32 DevKit C. 1. } blocks the loop. Arduino millis () Function. Hi everybody, As discussed in this thread The RTC-time drifts away pretty fast when the ESP32 is in a sleep-mode. h) will allow you to busy-wait for a. ESP32Time: Set and retrieve internal RTC time on ESP32 boards. To change it unblocking you must in the loop, in each round: if btn pressed store the pressMillis, lit the led. Generating a beep each time a key is pressed using keypad and piezo buzzer. esp32ModbusRTU. If it has, it toggles the LED on or off and makes note of the new time. A non-blocking read will (or at least should) always return immediately, but it might not return any data, if none is available at the moment. The non-blocking interface call does not block the current process, while the blocking interface does. . e. Blocking functions will use the delay utility which we’ll develop today. EveryTimer: A library providing the possibility to call a function at specific time intervals. – Usman Mehmood. unsigned long ini= 0 ; void setup() { Serial. avr, esp8266, esp32. knightridar:That is the firmware. Re: Non-blocking sockets, select () and transmit buffer size. 1 Description: delay () doesn't work for periods smaller than one tic. vTaskDelayUntil is absolute in terms of the ticks set by scheduler and FreeRTOS Kernel. moveTo function is non-blocking. only RS485 half duplex (optionally using a GPIO as RTS (DE/RS)) is implemented. Using delay on a ESP32 whiles using freeRTOS is a waste of CPU time. ESP32 - LED - Blink Without Delay; ESP32 - LED - Fade; ESP32 - RGB LED; ESP32 - Traffic Light; ESP32 - LED Matrix; ESP32 - LED Matrix via Web; ESP32 - Potentiometer; ESP32 - Potentiometer fade LED;. Return-1 If connection establishment fails. The exact hardware timer implementation used depends on the target, where LAC. Arduino - delay () function. Although i power the sensor in non-parasitic mode, there are still delays necessary. Ideally, task 2 should send data while task 1 collecting latest one. The following C code illustrates one way to do it (tested under Linux, but should be Unix/POSIX general):It's possible the ESP32 is applying Nagle's Algorithm to the last piece of data in the send (). The basic principle of non-blocking timing is fundamental different from using delay () You have to understand the difference first and then look into the code. 1. Delay a task until a specified time. This library enables you to use 1 Hardware Timer on an ESP32_C3-based board to control up to 16 independent servo motors. ; The. My code uses both cores of the ESP32 and seems to work well. However, we have to pay attentions when using this function:ESP32 with A4988 and stepper motor connection diagram. If it is somewhere around twice the amount of a single tick, then it'll probably work. Non-blocking delay – Particle. This means that when timer runs, it will take 51 µs to increment its value at every count. Hardware Arduino UNO or any other board supported by the Arduino IDE All the code developed here can be tested with just an Arduino UNO. You'll see blynkTimer Software is blocked while system is connecting to WiFi / Internet / Blynk, as well as by blocking task in loop(), using delay() function as an example. freq select frequency of pwm. The NoDelay library is used as a easy interface for using the built-in Mills function for keeping track of elapsed time and used for non blocking delays. I have a task that waits for a semaphore to run. The Wi-Fi driver can be considered a black box that knows nothing about high-layer code, such as the TCP/IP stack, application task, and event task. BLE’s primary application is short distance transmission of small amounts of data (low bandwidth). Send it a message from another task to change the delay time. This function is used to setup LEDC pin with given frequency and resolution. It uses a non-blocking approach and can control LEDs in simple ( on / off) and complex ( blinking , breathing and more) ways in a time-driven manner. vTaskDelay is a non-blocking delay. The maximum MTU Size setting of BT A2DP (default) is 1008 bytes, of which the header occupies 12 bytes and the actual amount of data transmitted by the application layer is 1008 - 12 = 996 (bytes); the maximum MTU Size of BT SPP (default) Set to 990 bytes. compare if currentMillis-pressMillis > 8000, if then shut the led. How to write a non-blocking delay in Arduino. Configuring ESP8266/ESP32 as a TCP server using sockets. But what if another function is blocking the loop() or setup(). c. The callback-function void SNTP. In this guide, we will show you how to use FreeRTOS timers and delays using ESP32 and ESP-IDF. This code is a blocking code right now, it is using delays. /* Blink without Delay Turns on and off a light emitting diode(LED) connected to a digital pin, without using the delay() function. Hi, I am using a ESP32 module and am coding in Arduino IDE. Connect the cathode lead of the green LED to the ground while the anode pin through limiting resistor to GPIO D26 of ESP32. Can ESP32 use the IP of the previous successful connection for communication after connecting to the router, and in case of failure, re-enter the authentication process and use DHCP to obtain a new IP? ¶ To delay overall loop results in serial print monitor so I can keep track of / observe results easily. I would then create a global message queue using the native environment to receive messages/events from other parts of the system. All these buttons are connected to each other in a form of 4X4 matrix in row and column arrangement. The ESP8266 server uses the connected router’s IP address. Learn how to combine keypad and piezo buzzer code, how to program ESP32 step by step. Input. There will be 2 task, first task will run on core 0, communicating with sensors to collect data at 4000SPS, using SPI bus. delay () will stop every other code from execution. In general: no, gethostbyname *cannot* be non-blocking as it uses DNS to resolve a hostname, which involves sending UDP packets to a DNS server and waiting for a reply. Reload to refresh your session. A non-blocking buzzer library for ESP32S3 that enables playing multiple tones with specified frequency, on/off duration, and number of cycles, without interrupting the main loop. Open Arduino IDE, then go to the tab Sketch and click on the option Include Library-> Manage Libraries. Every example I see requires the use of millis () but I need an accurate, 100uSec, non-blocking ISR driven. System time can be kept by using either one or both of the hardware timers depending on the application’s purpose and accuracy requirements for system time. I am using an ESP32-WROOM-32 Development Board (30 pin version) with Platformio (CLion version). No blocking. Modified 1 year,. The new “C3” variant has a single 160 MHz RISC-V core that out-performs the ESP8266, and at the same time includes most of the peripheral set of an ESP32. skip","path":"examples/CDC/cdc_multi/. This means that the motor has a step angle of 5. On ESP32-C6, the hardware additionally allows to perform up to 16 consecutive linear fades without CPU intervention. On the other hand, when I use an Arduino Nano instead of the ESP32, it reads distorted and the characters become. A common way for a sketch to stall is the use of a delay. h" #include <Servo. It is used to communicate PCM audio data between integrated circuits in an electronic device. The datatransmission was very unreliable. Generating a beep each time a key is pressed using keypad and piezo buzzer. There will be a delay between the input changing state and your interrupt routine getting control. There’s actually 3 general ways in which this loop could work - dispatching a thread to handle clientsocket, create a new process to handle clientsocket, or restructure this app to use non-blocking sockets, and multiplex between our “server” socket and any active clientsocket s using select. However, if you incorporate additional code, it may get blocked during the delay time. ino at master · prampec/IotWebConf. Wait(); Reset delay timer right now. ESP32 LED Blink without [delay] This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. This non-being-blocked important feature is absolutely necessary for mission-critical tasks. delay () is blocking. Blocking functions prevent a program from doing anything else until that particular task has completed. h library will allow us to use the WiFi features of the ESP32 board easily. muTimer. The application task (code) generally calls Wi-Fi driver APIs to initialize Wi-Fi and handles Wi-Fi events when. Share. is there a non-blocking type of library for this sensor out there (which works like the "blink without delay" - example)? Blocking refers to whether something runs asynchronously or not. old=var. You'll see blynkTimer Software is blocked while system is connecting to WiFi / Internet / Blynk, as well as by blocking task in loop(), using delay() function as an example. , Xtensa and RISC-V) available of ESP chips. It is designed for a continuos sensor reading every amount of time configurable by the developer. The project is essentially a web server on esp32 that sends data from different sensors and shows it on a beautiful website page. vTaskDelay () is a non-blocking delay, it let's other threads to continue working. A task switch is normally considered a form of “blocking”, isn’t it? Some other task may run, but YOUR task has blocked (and stays blocked until the scheduler runs it again. In this article I will show you how to use the "delay" node to introduce a delay in the propagation of a message through a flow, and to limit the. setInsecure(); while (status != WL_CONNECTED) { Serial. The Arduino millis () is a timer-based function that returns to you the time elapsed (in milliseconds) since the Arduino board was powered up. h> Servo myservo; void setup() { // Initialize serial and wait for port to open: Serial. Some ports allow specifying the delay time as a floating-point number. i want to call a function in the main loop: manual_delay_function (3000UL) // delay for 3 seconds. but that also ends up using do. 1 Sync Time with NTP Service from a server and set the local clock in the ESP32 (this is well documented and working) 2 Read current usecond till next sec, register a Timer#1 to Trigger when the second arrives. But it seems to be different when the ESP32 wakes up from deepsleep. Learn how to use sound sensor to control relay, sound sensor triggers light. Browse 009 Esp32 Micropython Non Blocking Delays And Multi Threading buy items, services, and more in your neighborhood area. 25 = 4C4B H. Arduino: Using millis() Instead of. Figure 3 – Non-Blocking Driver Sequence Diagram. ESP32 ADC Read analogRead() for Analog input pins in Arduino IDE. Hardware: Board: Lolin32 Core Installation version: d5fdd71 IDE name: IDF component Flash Frequency: 40Mhz PSRAM enabled: no Upload Speed: 115200 Computer OS: Windows 8. Executive BUT the danger is that using delay() could cause an issue in the future when you want to expand what the program does and then find that the blocking nature of delay means a re-write. The ESP32 does not do multitasking the way Linux or Windows does. Another benefit millis()is that it doesn't prevent us from running code while "waiting". In this tutorial, we are going to learn another method to blink LED without blocking other tasks. I want it to port to a Non-Blocking code. Device. Please note most esp32 DEV modules only have 1Mb of SPIFFS. Hi, i am using the OneWire Library. To generate a delay like this, both functions must be blocking. PWM on ESP32 . ino" with your Arduino IDE. Im using to my project Esp32, because stronger than arduino boards. Basically, all that I had to do was add 2 global variables (user_tx_timeout_ms and user_txBufferSize) and changeAn embedded C++ library to control LEDs. loop() , it checks to see if the desired blink time has passed. 2 Overview Overview Name No. Is your feature request related to a problem? Mostly, I end up using Serial. * The thing will delay actions arriving within 10 seconds. Find this and other ESP32 tutorials on. Hi, I have several tasks in freeRTOS on my ESP32 delaying with the vTaskDelay-function. The time setting can be done manually through a network protocol or a battery backup. Furthermore, ESP-IDF. delay () is a blocking function. avr, esp8266, esp32 The NoDelay library is used as a easy interface for using the built-in Mills function for keeping track of elapsed time and used for non. In this way the LED blinks continuously while the sketch. h> void setup() { Serial. Using delay stops the whole program, so I couldn't do anything else (light the blue leds for example) so I was searching for code that didn't use delay, and couldn't find anything. Here is some example code. Hi, I have several tasks in freeRTOS on my ESP32 delaying with the vTaskDelay-function. 625º—so it needs 360º/5. This next sketch shows you how to write a non-blocking delay that allows the code to continue to run while waiting for the delay to expire. do the other actions. The detail instruction, code, wiring diagram, video tutorial, line-by-line code explanation are provided to help you quickly get started with. ESP32 ADC non-blocking library. Includes SafeStringReader: non-blocking tokenizing text reader, BufferedOutput: non-blocking text output, BufferedInput: extra buffering for text input, loopTimer: track of the maximum and average run times for the loop, PinFlasher: non-blocking flashing on an output Pin and millisDelay: a non-blocking delay, with single-shot, repeating. To get date and time with the ESP32, you don’t need to install any libraries. ino. There are a thousand microseconds in a millisecond and a million microseconds in a second. They never yield the processor. Note that with either fade mode, the next fade or fixed-duty update will. The "delay" node does two things: (1) It allows you to delay a message by an arbitrary amount of time and (2) to limit the rate of messages that are passing through it. The 28BYJ-48 Stepper Motor has a stride angle of 5. The fact there is a library for it, and ESP8266 modules available, seem to. You need an micro USB cable between PC and. Hi I would like to use esp_wifi_scan_start() in non-blocking mode; is there an API or register that allows to check if the scan has completed?. INCLUDE_vTaskDelay must be defined as 1 for this function to be available. edit: here is a short description of the slow servo sketch. Figure 3 shows an example of what a non-blocking driver’s sequence diagram might look like. 625º = 64 steps in half-step mode. timeout_ms" would make the client stop blocking after 50ms, but perhaps I misunderstood. configure MQTT callback in non blocking mode for esp32 using esp-idf 4. Hi everyone, I want to use the HC-04 ultrasonic sensor in my project. non-blocking blinking an LED = switching on/off the LED at a certain frequency; non-blocking printing to the serial. The library provides a simple on/off delay for digital signals or a cycle timer which creates a periodically output. Connect the cathode lead of the red LED to the ground while the anode pin through limiting resistor to GPIO D27 of ESP32. I'm just concerned about the blocking code. The objective of this post is to give an introduction to FreeRTOS queues, using the ESP32 and the Arduino core. To change it unblocking you must in the loop, in each round: if btn pressed store the pressMillis, lit the led. This is a blocking function, it. I have the socket setup in non blocking mode with : err = fcntl (sock, F_SETFL , O_NONBLOCK ); and for good measure I do the send call with: err = send (sock, tempbuf, tempbuflen, MSG_DONTWAIT ); I time. Therefor, I read a lot, especally about xSemaphoreGiveFromISR which seems to be the most efficiant way to deal with this problem. On an ESP32 delay() is transformed into vTaskDelay() which is a non-blocking delay. If you use the AT commands, it will not help your case hence there is no non-blocking TCP implementation on it to handle the async HTTP requests. 1 Answer. The OS of the ESP32 is able to understand that the RTC ram was allocated once and to not allocate it again upon deep sleep wakeup. 3 In the callback function of the Timer#1 start Timer #2 with the interval of 1 sec. This shouldn't effect the time for that call to send (), but it will effect the subsequent call (as buffered data which could have been flushed after the last call isn't flushed yet. e. }. To review, open the file in. A WiFiManager alternative. 1. However, be aware that micros() will overflow after approximately 70 minutes, compared to millis()'s 50 days. one that completely stopped the code from doing any thing else while the delay was waiting to expire. Non-blocking MQTT library. */ #include "thingProperties. Ideally, task 2 should send data while task 1 collecting latest one. So, if any part of your code uses a delay (), everything else is dead in the water for the duration. Cancel the blinking or fading anytime. This sketch demonstrates how to blink an LED without using. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. This is the inverse function of localtime (). setConfigPortalTimeout is not implemented when configPortal is non blocking, because you are in control of it, and can stop it when you want. In the previous tutorial, we learned to blink LED by using the delay method. Inside the attached function, delay() won’t work and the value returned by millis() will not. Then you can reset it whenever you need. 1. Another restrain is speed as this loop work at 5ms and i would like to use the core 0. one that completely stopped the code from doing any thing else while the delay was waiting to expire. This function will return true if configuration is successful. Beginner in Arduino and ESP-32 needs help. After login, click on ‘+ Create New Instance’ to create a new instance. The previous sketch used a blocking delay, i. Yes this is True but in the UART case there is no concept of "connection", Stream::flush() on UART will take maximum (pending_bytes * 10) / baudrate time (10 is for converting bytes to bauds) and. Your code is quite reasonably divided into two threads (Task1 and Task2) which run on different cores. The elapsed time then is very unaccurate2. It seems that your specific problem here is that Blynk. I think it's in the _client->connect at the start of the method. py. The value to be filled in timer’s 16 bit register = FFFF – 4C4B= B3B4 H. Please note that the actual PCB layout design and excessive loads may increase the input delay. ESP32Time: Set and retrieve internal RTC time on ESP32 boards. This non-being-blocked important feature is absolutely necessary for mission-critical tasks. Discover a diverse selection of 009 Esp32 Micropython Non Blocking Delays And Multi Threading advertisements on our high-quality marketplace. 625º = 64 steps in half-step mode. To deal with calls to blocking activities triggered from the GUI I normally create a second native thread which monitors a similar global message/event queue that LVGL can post non blocking requests toFor example, certain function is blocking while it's connecting to WiFi or some services. The ESP32 has 2 WiFi modes: STATION (WIFI_STA): The Station mode (STA) is used to connect the ESP32 module to a WiFi access point. In the following task deep sleep is set for a wake up time of one minute. Show 2 more comments. A fade can be operated in blocking or non-blocking mode, please check ledc_fade_mode_t for the difference between the two available fade modes. I have noticed a weird effect, mabye somebody have noticed too this effect - after 30. settimeout(None) sock. Once downloaded, start the Arduino IDE then go to Sketch > Include Library > Add Zip Library. Which means the freeRTOS task switcher will swap to another task during the delay, non-blocking. // BEFORE SETUP const int tonePin = 8;. It is based on the FlexyStepper library by S. I want to run away from there. This method is a shorthand for certain settimeout() calls: sock. I tend to go for a non-blocking, delay()-less, millis()-based state machine approach right from the start, in all but the most trivial cases. e Arduino or Genuino Zero, MKRZero or MKR1000 Board). That software has other functions it performs, like running the network stack. void manual_delay_function ( unsigned long delay_time) { unsigned long current_time = millis (); bool delay_flag = true; while. It will be the first component of a larger project I'm going to implement. I2S (Inter-IC Sound), is an electrical serial bus interface standard used for connecting digital audio devices together. SNTP library that provides more accurate time for ESP8266/ESP32. A blocking function is delay(). 625°/64 in half-step mode. These targets have the following hardware features that make them SMP-capable: Two identical cores are known as CPU0 and CPU1. We will also expand the example. The time module provides the following time, date, and delay-related functions. Um. At least one coro must wait on the barrier. To fade an LED on and off with an Arduino Uno (or other basic Arduino boards), you use the analogWrite method. h" #include <Servo. In full-step mode: 64/2 = 32 steps to complete one rotation. 625°/64 in half-step mode. Currently, the largest value that will produce an accurate delay is 16383; larger values can produce an extremely short delay. when there is clearance, the user retains. If you’re running from a 12-16 MHz internal clock, the 16 bit timer doesn’t give you much of a delay. The FreeRTOS kernel is ported to all architectures (i. FreeRTOS is a portable, open source, mini Real Time kernel. Blocking call: move to home position (max steps or until limit switch goes low. Connect the STEP pin and the DIR pin with any appropriate GPIO pin of ESP32 board. The elapsed time then is very unaccurateOne way would be to set up a FreeRTOS message queue which your while loop can scan. UDP packets can get lost and DNS servers can be slow to respond, so there has to be some amount of retransmits and waiting to see if there is a response as part of the process. ESP targets such as ESP32, ESP32-S3, and ESP32-P4 are dual-core SMP SoCs. A task switch is normally considered a form of “blocking”, isn’t it? Some other task may run, but YOUR task has. Each Device shares the MOSI, MISO and SCLK signals but is only active on the bus when the Host asserts the Device’s individual CS line. This next sketch shows you how to write a non-blocking delay that allows the code to continue to run while waiting for the delay to expire. To address this, the following code implements a non-blocking approach using the millis() function instead of delay to prevent blocking. delay() . stdin. ESP8266/ESP32 non-blocking WiFi/AP web configuration. The 28BYJ-48 Stepper Motor has a stride angle of 5. esp_(post_client) as normal. I'm using millis() in order to set one counter to 0. Hi all, I am using ESP32 to do a project by using delay() function. Regarding “shorter than 500 μs” as an upper time limit for interrupt processing, “to prevent blocking the timer interrupt for too long”, you could go up to just under 1024 μs (eg 1020 μs) and millis() still would work, most of the time. For TCP, there is a non-standard IDF extension which allows you to call call setsockopt (TCP_SNDBUF) with an int-sized parameter which is the send buffer size as a multiple of the TCP_MSS value (rather than in bytes. esp_timer set of APIs provides one-shot and periodic timers, microsecond time resolution, and 64-bit range. Looking back it is clear sure a delay delays = blocking the whole processor from doing anything else than delaying. – unalignedmemoryaccess. Using BLDC. The elapsed time then is very unaccurate Just like delay() has a microsecond-version called delayMicroseconds(), millis() has micros(). If the system succeeds in setting your socket non non-blocking, it will be non-blocking. Finally, decided there was some sort of race condition or priority of execution. I tried to archiv the same result with millis (), but until now i could not make it. On a congested wireless channel (meaning lots of other devices broadcasting) you'd routinely see 100+ ms latencies as your devices have to wait for a free radio slot. For example, certain function is blocking while it's connecting to WiFi or some services. See moreOn an ESP32 delay() is transformed into vTaskDelay() which is a non-blocking delay. time. void moveRelativeInRevolutions(float distanceToMoveInRevolutions) Blocking call: start relative movement with given number of revolutions. ESP8266/ESP32 non-blocking WiFi/AP web configuration. ducalex commented on Jul 11, 2019 •. During a delay () call, you can’t respond to inputs, you can't process any data and you can’t change any outputs. one that completely stopped the code from doing any thing else while the delay was waiting to expire. The delay is virtual, during the delay, the code execution is continued. 1. feather_esp32s2. In regular arduino code, the delay function. one that completely stopped the code from doing anything else while the delay was waiting to expire. If you need better resolution, micros()may be the way to go. delay() would pause the entire code until the time is reached. begin(ssid, password);" here is my code: #include <WiFi. ESP targets such as ESP32, ESP32-S3, and ESP32-P4 are dual-core SMP SoCs. h library in your code. loop() is looping but nothing else and all repeating must be done through repeated calls to functions inside function loop() Create a new non-blocking TLS/SSL connection. one that completely stopped the code from doing anything else while the delay was waiting to expire. . Then, each time through. @SuGlider. Another benefit millis()is that it doesn't prevent us from running code while "waiting". 5 seconds; Power off the LED; Use delay(500) to make the program sleep again for 0. cpp 📋 Copy to clipboard ⇓ Download. time. of count for 1 sec Delay = 1 sec/51 µs = 19531. Setting EEPM1 and EEPM0 both to 0 will erase and program a new byte in a single operation. I like this option the least although it's probably the simplest. Since X starts with the value 31 this jump will happen 31 times, so the nop() [29] runs 32 times in total (note there is also one instruction cycle taken by the jmp for each of these 32 loops). run () Task handles in-coming. The delay time can set in micro-seconds or milli-seconds. delay (100);} uint32_t readADC. In new tab select region and click on ‘Review’. Everything is working normally, but I can't read all incoming data; after the "09:25:01. This means that the shaft (visible.