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• I

  M5Stack-MegaChess - Any update?
  • iPodLux

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  https://drive.google.com/file/d/1Gx1Nh-VmZIU_m0ZbCK0UWXfuLv6L06Tq/view?usp=sharing
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  This topic is deleted!
  • Devilstower

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• 

  Atom RGB Headband
  • ajb2k3

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  @skink thanks.
• 

  This topic is deleted!
  • Skink

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• 

  Try to design a M5Atom Battery expansion card! 试着去给M5Atom设计个电池拓展底板
  • P0lar

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  满脸期待.jpg
• S

  Uniquely identifying a M5stack with a physical connection
  • sofortune

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  Thanks, but i should have mentioned the idea is that if i move one of the m5stacks around, connecting it into a different position 1-20 it would be able to report back its position. Modbus concept actually is realy close, but seems that when one of the devices is detached the others become undetectable. Anything else similar to this? At one point i considered using a 2 layer switch with associationg each position with a port on the switch, but was wondering if there's a more cost effective method using serial.
• A

  Collision Detection between Objects w/ Joystick Hat Control (Micropython)
  • AP1290

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• S

  Arduino programing
  • smith

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• C

  M5-Camera A connect with Android App for parking aid
  • Christian_Yami

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  N

  @christian_yami As mentioned before the Android IDE with the esp32 plugin has a example "CameraWebServer" that sends settings back to the camera by a web interface. I did not mention that it also displays the image so if you load that into the esp32 you only need to do the android bit. The JPEG bit is the same and the web page source should give ample clues to program android.
• I

  Simple game sample, frustrating results - M5Flow
  • iPodLux

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  @ipodlux Found it! in order to compensate the slow reading of the interrupt I moved the reading in the loop. It less less classy that the external function but now it reacts as it should.
• 1

  OpenMQTTGateway on M5 boards
  • 1technophile

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• S

  Arduino Serial print function in arduino
  • smith

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• M

  Simple Mesh implimentation
  • MITTech

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  @mittech Curious as to how it went (has gone) with your Mesh application? Any consideration of ESP-MDF? What tool chain/development environment are you using?
• 

  Yun and ESPnow project
  • ajb2k3

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• R

  M5atom Matrix library (micropython)
  micropython matrix neopixel 5x5 library • • robalstona

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  R

  @conrad i use uPyCraft to transfer files to atom. You can also connect uPycraft with atom and use REPL (something like command shell) to use interactive micropython command interpreter). With UiFlow it is possible but you must first transfer libraries to /apps folder in flash memory and use advanced->execute->execute code to run appropriate commands, ewentually write raw code in Python </> tab. In this option code probably properly run only when you download it to device (not run with play button). If i find some free time then i create custom block to scroll text using recently added Hardwares->Rgb->set atom matrixblock, but i must do some experiments with it.
• C

  Automotive Infrared Short Range Lidar Sensor
  • cepics

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• 

  Blynk on M5Stack via uiFlow and block-maker
  • world101

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  @akshaypatil Here are the blocks for uiflow, http://s000.tinyupload.com/index.php?file_id=08084396321658982238 and don't forget to use it together with the one uploaded by @world101 (https://www.dropbox.com/s/xosetw0qzin722l/Blynk.m5b?dl=0) Cheers! :)
• M

  MicroPython Clock Task with RTC and NTP sync
  • M5MPy

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  @f3rn4nd0d I got "no module named 'wifisetup'" error, and without that, no 'strftime' in time... What am I missing in Mycropython for my M5Stack Gray? Thanks for your help.
• P

  Simple Wi-Fi signal strength
  • peter153

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  you can try this pice of code which is working for me: . . #include <WiFi.h> #include "Free_Fonts.h" #include <M5Stack.h> const char* ssid = "your_host"; const char* password = "your_password"; WiFiClient client; void setup() { M5.begin(); // Connecting to WiFi: M5.Lcd.setFreeFont(FM9); M5.Lcd.setTextSize(1); M5.Lcd.setTextColor(TFT_WHITE); M5.Lcd.print("\n\nConnecting to "); M5.Lcd.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { M5.Lcd.setTextWrap(true); M5.Lcd.print("."); delay(500); } M5.Lcd.println("\nWiFi connected"); delay(1000); M5.Lcd.fillScreen(TFT_BLACK); } void loop() { showWifiStrength(); delay(2000); } // show Wifi-RSSI level (signal strength in 4 bars + dBm ) void showWifiStrength() { int WifiRSSI = WiFi.RSSI(); M5.Lcd.fillRect(40, 0, 68, 15, TFT_BLACK); M5.Lcd.setCursor(40, 14); M5.Lcd.print(String(WifiRSSI) + "dBm"); if (WifiRSSI > -50 & ! WifiRSSI == 0 ) M5.Lcd.fillRoundRect(26, 1, 5, 12, 1, TFT_WHITE); else M5.Lcd.fillRoundRect(26, 1, 5, 12, 1, TFT_DARKGREY); if (WifiRSSI > -70 & ! WifiRSSI == 0) M5.Lcd.fillRoundRect(18, 3, 5, 10, 1, TFT_WHITE); else M5.Lcd.fillRoundRect(18, 3, 5, 10, 1, TFT_DARKGREY); if (WifiRSSI > -80 & ! WifiRSSI == 0) M5.Lcd.fillRoundRect(10, 5, 5, 8, 1, TFT_WHITE); else M5.Lcd.fillRoundRect(10, 5, 5, 8, 1, TFT_DARKGREY); if (WifiRSSI > -90 & ! WifiRSSI == 0) M5.Lcd.fillRoundRect(2, 7, 5, 6, 1, TFT_WHITE); else M5.Lcd.fillRoundRect(2, 7, 5, 6, 1, TFT_RED); }
• N

  sim800l gprs + mqtt
  • Nicolaf899

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  To start understanding the functioning of the sim800l module I used the following example: //Reset resistance is not soldered. If necessary, weld it yourself. #include <M5Stack.h> #define RX_PIN 16 #define TX_PIN 17 #define RESET_PIN 5 void header(const char *string, uint16_t color){ M5.Lcd.fillScreen(color); M5.Lcd.setTextSize(1); M5.Lcd.setTextColor(TFT_MAGENTA, TFT_BLUE); M5.Lcd.fillRect(0, 0, 320, 30, TFT_BLUE); M5.Lcd.setTextDatum(TC_DATUM); M5.Lcd.drawString(string, 160, 3, 4); } void setup() { M5.begin(); header("SIM800L AT command", TFT_BLACK); M5.Lcd.setTextFont(2); M5.Lcd.setTextColor(TFT_WHITE, TFT_BLACK); M5.Lcd.drawString("Please use serial port to Test AT command.",0, 35, 2); // Host serial communication Serial.begin(115200); // SIM800L serial communication Serial2.begin(115200, SERIAL_8N1, RX_PIN, TX_PIN); pinMode(RESET_PIN, OUTPUT); } void loop() { //AT instruction write if(Serial.available()){ Serial2.write(Serial.read()); } //AT instruction result if(Serial2.available()){ Serial.write(Serial2.read()); } delay(10); } I sent some at command to understand if the module worked but apparently it doesn't work. Any suggestions?