Esp32 ble scan

Esp32 ble scan. I've modified it to do 5 scans in a row before anything else. And i can detect 30 to 40 tags. I am using ESP-IDF 4. delay (1000); // it is just for simplicity this example, to let ble stack to set extended scan params pBLEScan-> startExtScan (scanTime, 3 ); // scan duration in n * 10ms, period - repeat after n seconds (period >= duration) Nov 16, 2023 · This guide provides a beginner-friendly introduction to using Web Bluetooth with the ESP32. When I use LightBlue app for discovery of BLE Devices I can see names for more devices than ESP Dec 27, 2017 · Actually,i want to know about BLE configuration because of i have getting some issue in my project. See the project on github. I'll use the codes of Neil Kolban. 6 board support seems to fix the previous problems with Adafruit QT Py ESP32-C3) Update: 28th June 2022 – Do not purchase the Adafruit QT Py ESP32-C3 with a USB-C as it is broken, see below. The data we need to see in the advertisements is in the scan-response and not in the initial advertisement packet. Aug 10, 2018 · Na nossa montagem temos o sensor de temperatura, o buzzer e o ESP32. Releases Mar 7, 2017 · Hi all, I'm working on my master's thesis, and using the ESP32 as one of the main hardware components of my research project. May 27, 2022 · ESP32 and scan for known bluetooth devices. Check the bluetooth/bluedroid/ble folder in ESP-IDF examples, which contains the following demos and their tutorials:. Jan 30, 2024 · ESP32同士でBLE通信をします。実装はMicroPythonで行いました。 そもそもBLEとは. Kindly give your suggestion on this issue. Testing the ESP32 BLE Server with Your Smartphone Note. h> #include <BLEUtils. Jun 3, 2019 · I think this is not a problem of ESP32, but bluetooth. On dual-core devices the WiFi component runs on core 1, while this component runs on core 0. The below code comes as one of the examples in Arduino IDE after installing the ESP32 board. Nano ESP32 BLE Scanner: This instructables show how to use ESP32 to make wireless BLE signal scanner, all scanned data will send to the HTTP server via WiFi. We then Start the service and start advertising so the device is visible to Scanning BLE devices. Aug 15, 2020 · have you looked at the BLE_scan exemple that is available directly from the IDE (under ESP32 BLE Arduino) and the other client or server examples (BLE_client. leinonen » Fri May 27, 2022 11:47 am . Use interval_us and window_us to optionally configure the duty cycle. If you need to modify the commands supported by ESP32 by default, please compile the ESP-AT project by following the steps in Compile ESP-AT Project Locally documentation. There are 2 things that I want to change here 1) Is it possible to get the scan to go forever (without looping or something)? In the world of IoT, the ESP32 microcontroller stands out as a versatile champion with its integrated Bluetooth Low Energy (BLE) technology. This class defines a callback function for handling connecting and disconnecting from the BLE server that you are setting up. Author: Neil Kolban. Jun 3, 2019 · We are working on BLE using ESP IDF 3. We start by creating a BLE Service, after which we create BLE Characteristics under that service and a BLE descriptor under the characteristics. The scan interval is set to 100 milliseconds and the scan window is set to 99 milliseconds. The BLE scan type is set to passive by default. Share Oct 10, 2018 · hi, thanks for the BLE scan program. io in an ESP8266 project, using Visual Studio Code as IDE. Like as some time i could not scan ble_tags. Nov 20, 2021 · The ESP32 Arduino boards support package includes libraries for ESP32 Bluetooth and BLE. ino This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To stop scanning, set duration_ms to None. Introduction Bluetooth is a wireless communication technology that enables data exchange over short distances between devices, allowing for convenient connectivity in various applications such as audio streaming, file transfer, and device synchronization. BLE. Note If you are looking for Wi-Fi based implementation of mesh for ESP32, please check another product by Espressif called ESP-WIFI-MESH. h> int scanTime = 10; //In seconds int minimumDeviceThreshold = -60; BLEScan* pBLEScan; class MyAdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks For the overview of the ESP32 Bluetooth stack architecture, follow the links below: ESP32 Bluetooth Architecture (PDF) Code examples for this API section are provided in the bluetooth/bluedroid directory of ESP-IDF examples. - Board D1 R32 ESP32. The code scans for a scanTime of 5 seconds, waits 2 seconds and starts scanning again: Jul 25, 2020 · Not really, I got it to work but it was slow to respond and unreliable. The following code should load. My Goal is to make it scan for a specific BLE (Bluetooth Low Energy) Device. Jan 7, 2020 · Hello friends, I'll write in this topic about BLE on ESP32, send and receive text, with clock and without clock. 1. Dec 29, 2016 · Thanks @kolban. Mar 14, 2022 · Hi @mbariola, the continuous scan is intended to simply keep scanning and provide data through the callback provided. May 26, 2024 · BLEClient – This library lets you create a BLE client on the ESP32. The good news is that in my apps I am able to receive BLE Scan Responses. You signed out in another tab or window. This is simple guide on how to connect ESP32 as the client to Arduino Nano 33 BLE sense as the server (peripheral) via Bluetooth (BLE) - tech-nickk/Connecting-ESP32-to-Arduino-Nano-33-BLE-sense-via-BLE. In this tutorial, we’ll cover Wi-Fi provisioning via Bluetooth. Every 30 seconds, it updates the display with the latest readings. Jan 27, 2024 · ※ swiftUIの画面部分は適当に用意してください. 0 and managing Wi-Fi, Azure, etc but now I need to add also BLE (Bluedroid) so my devices can work as clients connecting to one or several servers and consuming notifications from custom charactetistics. 1 to 1. This library is compatible with the esp32 architecture. My understanding is that during an active scan, there should be both advertising data packets and scan response packets, but I seem to only get the advertising data. To scan indefinitely, set duration_ms to 0. The ESP32 BLE Client will scan nearby devices until it finds a specific device (a BLE Server), the ESP32 BLE Client will then connect to the BLE Server, and finally the ESP32 BLE Client will retrieve some data from the BLE Server. 14 Oct 10, 2018 · Couple of simple question here related to BLE Scan on ESP32 from a beginner. If you do a scan with your phone, its the same. can't extract the manufacturer specific data! May 17, 2017 · Espressif ESP32 Official Forum. 1 ESP32 sẽ có sketch “BLE_server”, cái còn lại là “BLE_scan”. h> #include <BLEScan. The following shows an SMP security client demo with its tutorial. The BLE code is now part of the ESP32 Arduino core, making it automatically available to any Arduino ESP32 project without the need for manual import. You learn some basic features of Bluetooth Low Energy, how to use ESP32 BLE feature, how to setup ESP32 as BLE Server and Client and also how to connect a smart phone to ESP32 BLE Server. The BLE scan example shows you how this is done. Maintainer: Dariusz Krempa. My phone is a OnePlus 5T and my ESP32 is a MH ET Live ESP32DevKIT. The sensor platform is similar to ESP32 Bluetooth Low Energy RSSI Sensor but in contrast to that platform, this text sensor sends out all raw BLE scan information and does not filter devices. It includes functions for converting data types, managing UUIDs, and You signed in with another tab or window. BLE functions for ESP32 This library provides an implementation Bluetooth Low Energy support for the ESP32 using the Arduino platform. I can't find any ESP32 examples that successfully get the name of remote devices when performing a BLE scan. Maybe if you increase the scann time, the micro can ask every device for it's name. Mar 19, 2019 · Hello, i'm making a project where the ESP32 scans every 5sec for ble beacons on range and send their mac address and rssi to the clould. The app will scan for nearby BLE devices. Select the name from the list of detected devices (name ESP32BLE) Test BLE communication using BLE Terminal. I've been trying to program the ESP to scan for nearby BLE devices check the MAC address and if it matches another address in a list, In order to check if the ESP32 installation went well, go to File / Examples / ESP32 BLE Arduino and you should see several example sketches, like "BLE_scan", "BLE_notify", etc. You may check corresponding files in src/esphome directories to see pure logic. Gave up eventually. In reality, not over much. in a single ESP32 that scans Important. ino would connect to a service) ? 1 Like sibi1202 August 16, 2020, 5:31am Apr 17, 2021 · TL;DR: One ESP32 broadcasts via BLE (already working), another ESP32 listens. This is a work in progress project and this section is still missing. You can check what the scanner does using Arduino terminal Mar 23, 2021 · As a followup, in looking at the recent changes to the library file BLEScan. I'm also working with platform. Apr 8, 2021 · Hi, I have quite a complex application already running on a custom board based on ESP32-WROOM-32D. Search images: D1 R32 ESP32 This card has classic Bluetooth, BLE, WiFi, ADC, DAC, and more feature. After the code is opened, let deploy it directly by clicking the right arrow at the top bar. Communication. No vídeo mostro como fazer a conexão entre os dois, bem como a execução de alguns comandos envolvendo o Led e o buzzer. You switched accounts on another tab or window. To provision the ESP32 via BLE, we need to use another BLE-enabled device, usually a smartphone to connect to the ESP32 via BLE and send the Wi-Fi credentials. Or you should ask for it to the device. 前回も軽く言ったと思いますが、BLEを長時間使うと、ブロードキャスターであれオブザーバーであれ、ESP32に膨大な負荷がかかってしまい Aug 15, 2020 · have you looked at the BLE_scan exemple that is available directly from the IDE (under ESP32 BLE Arduino) and the other client or server examples (BLE_client. We will establish communication between the ESP32 as a BLE server and an Android BLE application, enabling the transmission and reception of data between the two devices. Provisioning over BLE. BLE_Scan. Both libraries have examples which you can find in Arduino IDE Examples menu. Bluetoothをさらに省電力化した通信方式です。Bluetoothには低消費電力で通信可能距離が短い特徴があります。BLEは使い方次第ではコイン電池一個で数年間使えるそうです。 実装 May 27, 2020 · You may open the sample code by selecting File > Examples > ESP32 BLE Arduino > BLE_server. 01 to 10 mW) in contrast to classic Bluetooth (with class 1 devices reaching up to 100 mW and class 3 devices at 1 mW). The sensors supported by Tasmota use BLE (Bluetooth Low Energy) to transmit the sensor data, but they differ in their accessibilities quite substantially. I would like to do a few scans very quickly in order to average them. Apr 1, 2024 · A complete beginner’s guide on understanding BLE in ESP32. Jun 13, 2024 · This tutorial is a getting started guide to Bluetooth Low Energy (BLE) with the ESP32 programmed with MicroPython firmware. scan_interval - The interval of time between actual scans of duration defined in scan_window Use on single-core chips¶. My questions are: 1. The central can't connect to the ESP32 sometimes. I've tried examples for both esp-idf and arduino such as: Apr 17, 2019 · I'm running a sample code from ESP32 examples and I'm scanning available BLE devices. h> #include <BLEAdvertisedDevice. Go to the Serial Monitor with the ESP32 running the “BLE_scan” example, press the ESP32 (with the “BLE_scan” sketch) ENABLE button to restart and wait a few seconds while it scans. Remember to Dec 8, 2022 · Hi everyone, I am trying to use BLE_scan to find my Bluetooth tag's UUID but I am getting a 'BLEScan' does not name a type error: Code: #include <BLEDevice. Mar 12, 2024 · BLE conserves energy by employing lower transmission power (ranging from 0. ino Arduino sketch, and flash it to ESP32 board. The ESP32 microcontroller is equipped with a built-in BLE module, making it an ideal choice for developing BLE-enabled IoT devices. 文章浏览阅读3. GAP API . Nov 9, 2021 · I am trying to build an Android app that interfaces with the ESP32 using BLE. I figured out how to make it scan by using one of the examples that are Mar 26, 2018 · Espressif ESP32 Official Forum. I am using the RxBluetoothKotlin library from Vincent Masselis for the Android side. All you need on your phone is the home assistant app The algorithm for the BLE server follows the explanation during the introduction above. The power consumption in the ESP32 devices given in the datasheet is up to 130 mA using "BT/BLE" which is just absurd. The default AT firmware supports all the AT commands mentioned on this page. (See code below) I cannot figure out the difference between scan interval, scan window and the scanTime paramter. We’ll introduce you to BLE basic concepts and run some simple examples: advertise and expose data to be read by other BLE devices; and detect when another BLE device writes some data on the ESP32 characteristics. 3 of the ESP-IDF. Bluetooth Low Energy Sensors~ Different vendors offer Bluetooth solutions, mostly as part of the Xiaomi brand, often under the Mijia label. Jan 1, 2018 · Re: How can scan particular BLE devices? Post by chegewara » Thu Jan 04, 2018 5:52 am You can filter all bluetooth le devices and search only those with UUID FDA50693-A4E2-4FB1-AFCF-C6EB07647825, at least this ive found on aliexpress. So, we will set it to active in order to get more results faster. Jun 12, 2021 · Hello everyone. bin size of 1. BLEUtils – The BLEUtils library provides utility functions for working with BLE on the ESP32. 0. When I scann in my esp32, it shows a lot of devices that my phone doesn't show. This will disturb our connection state machine. I tried various time scan setting to no avail. Feb 19, 2024 · Once you’ve configured the module as you wish, you can pair the ESP32 with the system of your choice, just like any other Bluetooth device. Sensor data will be displayed in the app, and LED control will be available. 3 days ago · Understanding ESP32 BLE Before we dive into the technical aspects, let’s have a brief overview of ESP32 BLE. Reload to refresh your session. It supports both the central and peripheral roles, allowing it to connect to other BLE devices or act Compile ESP32_BLE_Scanner. I have scanning tags for 10 seconds in every 30 seconds. To be able to use both Wifi and BLE (same phy is used) I set ble window and interval parameters to share the phy. Timings for BLE announcement are largely terms of milliseconds and typically things you're scanning for will transmit on all three channels based on my observations from things on my initial experiments with the stack. This type of communication is often referred to as point to point communication. 0. Jun 10, 2018 · Espressif ESP32 Official Forum. In this tutorial, we will learn how to use Bluetooth Low Energy (BLE) on the ESP32 microcontroller using the Arduino IDE. But for few devices I can't see their names. Application Example . From its efficient BLE integration to its robust community support, the ESP32 is a cost-effective and versatile choice Mar 27, 2023 · esphome: name: bluetooth-proxy friendly_name: Bluetooth Proxy esp32: board: esp32dev framework: type: esp-idf # Enable logging logger: # Enable Home Assistant API api: encryption: key: "REMOVED" ota: password: "REMOVED" platform: esphome wifi: ssid: !secret wifi_ssid password: !secret wifi_password # Enable fallback hotspot in case wifi BLEServer *pServer; BLECharacteristic *pCharacteristic; bool deviceConnected = false; uint8_t value = 0; Class: My Server Callbacks. When using this component on single core chips such as the ESP32-C3 both WiFi and ble_tracker must run on the same core, and this has been known to cause issues when connecting to WiFi. pyを分けて説明していきます。 ble_stop. The same IDE is perfectly working (including symbol resolution, git support and kind of "intellisense") in the ESP-IDF world. Oct 10, 2018 · All I want to do is give the ESP32 a bunch of BLE mac address' and if they are found within a 10/20/30 second scan to turn on the corresponding green LED for that mac address and if not then turn on the red LED. A couple of quick questions if I may How do I keep the scan going continuously? I can loop, call the scan again etc but I was thinking if there is some value that can be passed to the scan to keep it Feb 21, 2018 · Espressif ESP32 Official Forum. For ESP32 Bluetooth go here. I am now in the process of trying out a dedicated MQTT BLE detector, at the moment I havnt finished building the hardware so cant say if it is better. We’re going to test BLE communication using the BLE Terminal application. This is just an introductory project with regards to ESP32 Bluetooth Low Energy. After flashing, ESP32 scans for BLE devices during SCAN_TIME and behaves as listed in Detailed description. Ligamos o ESP32 e chamamos o BLE scanner, que vai localizar nosso microcontrolador. Oct 15, 2017 · Espressif ESP32 Official Forum. 6w次，点赞32次，收藏126次。本文介绍了如何使用ESP32进行BLE4. This card can be Jan 21, 2020 · I have been looking at the Silicon Labs EFR32 series of BLE modules but hope to avoid the expense and learning curve required to utilize these devices. We send sensor readings from one ESP32 board to another via BLE server and client. Configuration of the BLE client on ESP32. Hi all, There is lot of example how to scan BLE devices, but no Sep 29, 2022 · If you want to use the advertised name you have to scan for all BLE devices around you and select the one matching your name. Jun 1, 2022 · ESP32C3 BLE to WiFi Bridge, BLE + WiFi Running Together: Update 14th Jan 2023 – installing ESP32 V2. We’ll explain what Web Bluetooth is and walk you through creating a web application for interacting with an ESP32 Bluetooth Low Energy (BLE) device. Bạn hãy mở Serial Monitor của ESP32, ví dụ như của máy khách (BLE_scan) và nhấn nút ENABLE trên ESP32 để khởi động lại. I am using it to detect my phone and trigger automations based on my presence. Configuration variables:¶ mac_address (Required, MAC Address): The MAC address of the BLE device to connect to. This article explores the technical intricacies and diverse applications of ESP32 BLE, shedding light on how it powers IoT solutions. I can see device MAC address etc. For more information, see ESP32 Arduino BLE Library . Compatibility. 1, users can refer here for the certification details of ESP-BLE-MESH. まとめ. Select the ESP32 device and establish a connection. So for the BLE scanning I've set a window to allow the esp32 to scan for proximity beacon, here is the relevant part: * BLE scan parameters * task creation (analyse_data) to analyse the beacons seen, does not matter for this post Apr 11, 2024 · The ESP32 supports Wi-Fi provisioning over SoftAP (access point) or via Bluetooth Low Energy. - gromeck/BLE-Scanner. While working on the BLE, found an issue with BLE Stop Scanning process. Code: Select all typedef struct { uint16_t adv_int_min; /*!< Minimum advertising interval for undirected and low duty cycle directed advertising. ESP32 BLE Arduino. It reports the state of known BLE Beacon devices over MQTT to Home Assistant. e. In the menuconfig, there is a special option called Software controls WiFi/Bluetooth coexistence, which is used to control the coexistence of Bluetooth and Wi-Fi for ESP32 using software, thus balancing the coexistence requirement for controlling the RF module by both the Wi-Fi and Bluetooth modules. I've got a half answer for you that is good news and bad news. So, we perform these setups and watch for BLESCAN messages: at+bleinit=1 at+blescanparam=1,0,0,100,99 at+blescan=1 Yet, all of the scan results look sort-of like this: Feb 19, 2021 · 今回はBLEをオフにするプログラムble_stop. ino would connect to a service) ? 1 Like sibi1202 August 16, 2020, 5:31am The ESP32 BLE Server will advertise itself to other BLE devices, the ESP32 BLE Client will scan nearby devices until it finds the ESP32 BLE Server, the ESP32 BLE Client will then connect to the BLE Server, and finally the ESP32 BLE Server will begin sending data to the BLE Client. This is a cheap card ($ 5) with the dimensions and shape of the Arduino UNO, but with the ESP32. The data this sensor publishes is intended to be processed by the remote (for example an MQTT client) and sends the data in JSON format. ESP32-based Bluetooth Low Energy (BLE) scanner to report presence of bluetooth devices into an MQTT service. cpp on the ESP32 Arduino github site, it appears the source of the changes in BLE scanning operation were from 2 changes made late (October/November) in 2020. Nov 11, 2021 · Power the ESP32 BLE server, then power the ESP32 with the client sketch. This project is basicly a room presence detector for ESP32 devices. First, we will configure ESP32 in both BLE server and Learn to use BLE on ESP32 along with BLE theory, Code for creating a GATT Server and setting a characteristic value, and using nRF-Connect app to read it. I am using ESP-WROOM-32 with hardware support checked out directly from their github. Post by hra. Grab another ESP32 (while the other is running the BLE server sketch). Sau khi nạp chương trình xong, bạn bật 2 mạch ESP32 lên. py. auto_connect (Optional, boolean): If true the device will be automatically connected when found by the ESP32 Bluetooth Low Energy Tracker Hub. Can I start advertising and periodically scan for other devices without stopping advertising? I added a Wireshark BLE sniffer log. This was achieved by using two ESP32 boards one that acted as a server and the other that acted as the client using Bluetooth. I've been trying to program the ESP to scan for nearby BLE devices check the MAC address and if it matches another address in a list, ESP-BLE-MESH is implemented and certified based on the latest Mesh Profile v1. So,what would be reason behind it. ino sketch from the ESP32_BLE_Arduino library. If you want to contribute, please see the Contributions Guide. I am thinking about manual sleep but I do not know how to get it along with scanning (ESP32 is a relatively new experience for me). Jun 11, 2024 · ESP32 BLE Scanner. I only need the scan to run once as the button on the ESP32 will be used to do a scan when required. 0扫描，从ESP32官方示例出发，详细讲解了BLEScan库的使用，包括创建扫描对象、配置扫描参数、启动和停止扫描等。 Mar 2, 2019 · Other with ESP32 “BLE_scan” sketch. Yes, you need to call esp_ble_gap_config_adv_data twice. Notify. Creating an ESP32 BLE scanner is simple. This means everything is set up properly in Arduino IDE! Mar 10, 2024 · This post is a start of a new series where I'll be exploring the use of Bluetooth Low Energy along embedded Rust on the ESP32. In your Arduino IDE, go to File > Examples > BLE and select the Scan example. Oct 30, 2019 · I am looking at the basic BLE_Scan. Read the documentation. If you need to modify the commands supported by ESP32-C3 by default, please compile the ESP-AT project by following the steps in Compile ESP-AT Project Locally documentation. 今まで色々と作成してきましたがデバイス周りの作成は、macOSアプリの作成もBLEなどの通信も初めてでもっと時間が必要かと思っていましたが今までの知識の応用で理解していったら意外となんとかなり、この記事を作るくらいには余裕が Feb 21, 2021 · Summary: Micropython Bluetooth BLE scan() does not return the complete advertisement payload, specifically missing "Complete Local Name". Sep 19, 2022 · We want to use the ESP32 as BLE central. Today I want to welcome you all to my first project for Home Assistant. Now, create the new BLE scan device and set the BLE callback function to MyAdvertisedDeviceCallbacks for when a scan completes. Setup: ESP32-WROOM-32 esp32-idf4-20210202-v1. If I take a configuration that works and pad the binary size with a large string buffer, the OTA starts to fail in the same way somewhere around a firmware. BLE Gateway. With Web BLE, you can create web applications that interact with your ESP32 devices via Bluetooth, enabling you to control GPIO pins, exchange data, and manage your devices remotely through a web interface (this means any device that supports a web browser like your computer or smartphone). The ESP32 BLE Server will advertise itself to other BLE devices, the ESP32 BLE Client will scan nearby devices until it finds the ESP32 BLE Server, the ESP32 BLE Client will then connect to the BLE Server, and finally the ESP32 BLE Server will begin sending data to the BLE Client. This tutorial will guide you through the process of setting up BLE in ESP32 using the Arduino IDE software and demonstrate how to read data on ESP32 via BLE connection and connect two ESP32 devices using BLE. Hi all, I'm working on my master's thesis, and using the ESP32 as one of the main hardware components of my research project. Note. 2 MB. pyとスキャンするプログラムble_scanner. Important. gap_scan (duration_ms, interval_us = 1280000, window_us = 11250, active = False, /) ¶ Run a scan operation lasting for the specified duration (in milliseconds). We receive few scan results after call BLE stop scan API. In conclusion, we have learned how to perform communication between ESP32 BLE server and ESP32 BLE client using Arduino IDE. And sometimes only 2 to 4. . Oct 29, 2019 · I am working ESP-idf to program my ESP32 board. One time with adv_data as parameter and one time with scan_rsp_data. It lets you scan for and connect to BLE peripherals, read and write characteristics, and handle notifications. For me is better that the scan is made more frequently, but if i down the scan time the ble cannot found every ble beacon on range. Jan 6, 2020 · Obnizを使うことも考えたのですが、ESP32で継続的にBLEスキャンさせるたびにリクエストを投げるためのサーバを立てるのはあまりカッコよくないと思ったので、ESP32単独で「BLEスキャン」「MQTT通知」「MySQLへのInsert」をしています。 Apr 5, 2017 · The way I interpret this story is as follows: scan_window - The interval of time during which a scan will be performed. The client starts scanning nearby devices, and when it finds the other ESP32, it establishes a Bluetooth connection. I am working on a concept BLE device that runs on batteries. Hello folks, esp-idf supports handling duplicates: CONFIG_BLE_SCAN_DUPLICATE : This select enables parameters setting of BLE scan duplicate. For the ESP32 side, I am using the default Kolban libraries that are included in the Arduino IDE. So, join us as we unlock the endless possibilities of ESP32 BLE on the Arduino IDE. Feb 27, 2021 · - I mess a little with scan_interval (0x500), scan_window (0x300), - I used light sleep by calling power management API (it doesn't seem to have a big impact on BLE scanning) My platform is ESP32-WROOM-32D. 4. Jan 14, 2022 · Pretty sure this has to do with the binary size being too large for OTA. There is an internal cache that is configurable and that will filter recently seen devices until the cache is full, at which time it is cleared and the previous devices will be reported again. I am unable to parse the received advertisements correctly, i. Sep 11, 2022 · They both are pretty similar by the nature - what they mostly do is scanning BLE advertisements (first one for tags, second one - for lock status) and interact with MQTT. Mar 9, 2021 · is it possible to scan and advertise at the same time use the integrated BLE in ESP32? I use NIMBLE stack and version 4. ingmkw fwhyk luw kpwtsiwx mrb tfp qup rcvgwr qawnob dxjz