painlessMesh
arduino-esp32
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painlessMesh | arduino-esp32 | |
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11 | 228 | |
- | 12,590 | |
- | 3.4% | |
- | 9.6 | |
- | 3 days ago | |
C++ | ||
- | GNU Lesser General Public License v3.0 only |
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painlessMesh
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Event driven / “event sourcing” framework approaches to C/C++ control flow
and in particular, arkhipenko's TaskScheduler - "Cooperative multitasking for Arduino, ESPx, STM32 and other microcontrollers", and reviewed how it's used in a few popular projects like PainlessMesh.
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ESP32-S2 powered remote controller poor performance
Running PainlessMesh for mesh networking
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400 WROOM modules
See how big a painlessMesh can get in real life?
- is esp8266 development still a thing? looking for help
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Multiplying I/O
If you are feeling adventurous when coding you can consider using https://gitlab.com/painlessMesh/painlessMesh I'm using it for my central heating setup. As a test though. If you need stability just go regular wifi.
- IoT Network and Server Implementation
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Smart Home IOT Platform
PainlessMesh is an opensource self-organizing mesh network designed for ESP devices, which handles all the communication. Nodes cooperate to relay messages through the mesh, using algorithms that optimize message routing as nodes join and leave the mesh. Sending messages is a simple matter of calling a library function. Any node can send a message to a specific other node or to all nodes in the mesh.
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Trigger multiple esp8266s to flash led strip
PainlessMesh is a pretty simple way to network ESPs wirelessly without involving a router.
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Interrupt Issues with NewEncoder (PJRC) and PainlessMesh
PainlessMesh - https://gitlab.com/painlessMesh/painlessMesh/-/wikis/home
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Server communication
You could also use PainlessMesh - totally peer to peer, no server, easy to implement. I found it painless.
arduino-esp32
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Any good/worthwhile Camera sensor modules for arduino/pico for still photography?
You could just buy ready-made ESP32 boards with an OV2640 camera built-in, then customize the example sketch from https://github.com/espressif/arduino-esp32/tree/master/libraries/ESP32/examples/Camera/CameraWebServer to your liking.
- I am trying to write to an SD card, it "works" but I can only find the file on PC if I use data recovery software?
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ESP32 memory corruption
Are you perhaps this poster? https://github.com/espressif/arduino-esp32/issues/5250 - asking that poster for the list I just asked for went nowhere and it was auto-closed.
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ESP32 WiFiMulti: Connect to the Strongest Wi-Fi Network (from a listing of networks).
/* * Based on the following examples: * WiFi > WiFiMulti: https://github.com/espressif/arduino-esp32/blob/master/libraries/WiFi/examples/WiFiMulti/WiFiMulti.ino * WiFi > WiFiScan: https://github.com/espressif/arduino-esp32/blob/master/libraries/WiFi/examples/WiFiScan/WiFiScan.ino * Complete project details at our blog: https://RandomNerdTutorials.com/ * */ #include #include WiFiMulti wifiMulti; // WiFi connect timeout per AP. Increase when connecting takes longer. const uint32_t connectTimeoutMs = 10000; void setup(){ Serial.begin(115200); delay(10); WiFi.mode(WIFI_STA); // Add list of wifi networks wifiMulti.addAP("ssid_from_AP_1", "your_password_for_AP_1"); wifiMulti.addAP("ssid_from_AP_2", "your_password_for_AP_2"); wifiMulti.addAP("ssid_from_AP_3", "your_password_for_AP_3"); // WiFi.scanNetworks will return the number of networks found int n = WiFi.scanNetworks(); Serial.println("scan done"); if (n == 0) { Serial.println("no networks found"); } else { Serial.print(n); Serial.println(" networks found"); for (int i = 0; i < n; ++i) { // Print SSID and RSSI for each network found Serial.print(i + 1); Serial.print(": "); Serial.print(WiFi.SSID(i)); Serial.print(" ("); Serial.print(WiFi.RSSI(i)); Serial.print(")"); Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN)?" ":"*"); delay(10); } } // Connect to Wi-Fi using wifiMulti (connects to the SSID with strongest connection) Serial.println("Connecting Wifi..."); if(wifiMulti.run() == WL_CONNECTED) { Serial.println(""); Serial.println("WiFi connected"); Serial.println("IP address: "); Serial.println(WiFi.localIP()); } } void loop(){ //if the connection to the stongest hotstop is lost, it will connect to the next network on the list if (wifiMulti.run(connectTimeoutMs) == WL_CONNECTED) { Serial.print("WiFi connected: "); Serial.print(WiFi.SSID()); Serial.print(" "); Serial.println(WiFi.RSSI()); } else { Serial.println("WiFi not connected!"); } delay(1000); }
- problems connecting esp32 to sd card
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ESP32 S2 Help
I have 2 ESP32-S2-Saolo-1 's on hand. I am trying to do the example Wifi FTM code that can be found at the following repo: https://github.com/espressif/arduino-esp32/tree/master/libraries/WiFi/examples/FTM
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The Nano ESP32
That has not been my experience at all as a user. ESPHome is even easier than Arduino and I haven’t touched firmware code in years.
The price makes a huge difference when you have dozens of them operating which is trivial with a decent hydroponics and smarthome setup. I also have a dozen boards just sitting idle ready to be called up to replace a failed one or use for a new project because they’re so cheap.
Not to mention the Arduino core is supported officially by ESP32: https://github.com/espressif/arduino-esp32
Who actually uses Arduino in production? Everyone just uses modules (for ESP32) or rolls their own using the Arduino board as a reference.
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Arduino Uno R4 WiFi
They've done a good job of hiding the RTOS from you and making most sketches run fine without porting, but you're still running as a task under the RTOS, yielding between loop() calls[1]. This leads to mysterious timing issues if you aren't aware of it[2]
It doesn't appear that the Arduino core for the Renesas chip is using the RTOS, at least by default -- its main loop is literally doing while (1) { loop(); }, similar to how the AVR core works. [3, 4]
1. https://github.com/espressif/arduino-esp32/blob/72c41d09538663ebef80d29eb986cd5bc3395c2d/cores/esp32/main.cpp#L45
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exit status 1 error not going away! Pls help
https://github.com/lewisxhe/esp32-camera-series/issues/11 may interest you - you need all the files in the same dir, not just the .ino by itself
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Do you have any idea why this program would not work? [ESP32]
I copied all the libraries from here: https://github.com/espressif/arduino-esp32/tree/master/libraries
What are some alternatives?
NewEncoder - Rotary Encoder Library
esp-idf - Espressif IoT Development Framework. Official development framework for Espressif SoCs.
DLLN3X_zigbee_mesh_module_library - This Arduino library allows you to use DL-LN3X(DL-LN33, DL-LN33P, etc.) ZigBee mesh module very easily.
Tasmota - Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
cedux - 🦆 A Redux-like model for C
platform-espressif32 - Espressif 32: development platform for PlatformIO
WLED - Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!
esp32-wifi-penetration-tool - Exploring possibilities of ESP32 platform to attack on nearby Wi-Fi networks.
TinyGo-On-ESP32 - This tutorial will walk you through how to setup Ubuntu 20.10 with Ubuntu Desktop on a Raspberry Pi 4B, install the Espressif ESP-IDF, install Go and TinyGo and finally flash an app to an Espressif ESP32 Microcontroller.
ESP32-PCNT-Arduino-Example - Example of using the ESP32's hardware pulse counter to find the RPM of a PC fan from it's tachometer output.
esp32_nat_router - A simple NAT Router for the ESP32
EspTinyUSB - ESP32S2 native USB library. Implemented few common classes, like MIDI, CDC, HID or DFU (update).