mirror of
https://github.com/revspace/operame
synced 2025-11-04 13:35:37 +00:00
Added DHT22 sensor code
If DHT22 humidity sensor is connected, temp and hum is displayed.
This commit is contained in:
tomderyck
parent
de55b35627
commit
b467bda9eb
72
operame.ino
72
operame.ino
@ -9,8 +9,18 @@
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#include <logo.h>
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#include <list>
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#include <operame_strings.h>
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#include <Adafruit_Sensor.h>
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#include <DHT.h>
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//#include <DHT_U.h>
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#define LANGUAGE "nl"
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#define DHTPIN 15 // Digital pin connected to the DHT sensor
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// Uncomment the type of sensor in use:
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//#define DHTTYPE DHT11 // DHT 11
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#define DHTTYPE DHT22 // DHT 22 (AM2302)
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//#define DHTTYPE DHT21 // DHT 21 (AM2301)
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OperameLanguage::Texts T;
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enum Driver { AQC, MHZ };
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@ -20,6 +30,7 @@ HardwareSerial hwserial1(1);
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TFT_eSPI display;
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TFT_eSprite sprite(&display);
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MHZ19 mhz;
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DHT dht(DHTPIN, DHTTYPE);
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const int pin_portalbutton = 35;
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const int pin_demobutton = 0;
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@ -70,6 +81,21 @@ void display_big(const String& text, int fg = TFT_WHITE, int bg = TFT_BLACK) {
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sprite.pushSprite(0, 0);
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}
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void display_3(const String& co2, const String& temp, const String& hum, int fg = TFT_WHITE, int bg = TFT_BLACK) {
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clear_sprite(bg);
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sprite.setTextSize(1);
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sprite.setTextFont(8);
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sprite.setTextDatum(MC_DATUM);
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sprite.setTextColor(fg, bg);
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sprite.drawString(co2, display.width()/2, display.height()/2 - 25);
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sprite.setTextFont(4);
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sprite.setTextDatum(ML_DATUM);
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sprite.drawString(temp, 10, display.height() - 15);
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sprite.setTextDatum(MR_DATUM);
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sprite.drawString(hum, display.width() - 10, display.height() - 15);
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sprite.pushSprite(0, 0);
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}
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void display_lines(const std::list<String>& lines, int fg = TFT_WHITE, int bg = TFT_BLACK) {
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clear_sprite(bg);
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@ -113,6 +139,26 @@ void display_ppm(int ppm) {
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display_big(String(ppm), fg, bg);
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}
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void display_ppm_t_h(int ppm, float t, float h) {
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int fg, bg;
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if (ppm >= co2_critical) {
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fg = TFT_WHITE;
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bg = TFT_RED;
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} else if (ppm >= co2_warning) {
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fg = TFT_BLACK;
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bg = TFT_YELLOW;
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} else {
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fg = TFT_GREEN;
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bg = TFT_BLACK;
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}
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if (ppm >= co2_blink && millis() % 2000 < 1000) {
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std::swap(fg, bg);
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}
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display_3(String(ppm), String(t), String(h), fg, bg);
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}
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void calibrate() {
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auto lines = T.calibration;
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for (int count = 60; count >= 0; count--) {
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@ -369,7 +415,9 @@ void setup() {
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Serial.println("Using MHZ driver.");
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}
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// Initialize DHT device.
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dht.begin();
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for (auto& str : T.portal_instructions[0]) {
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str.replace("{ssid}", WiFiSettings.hostname);
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}
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@ -439,10 +487,20 @@ void setup() {
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void loop() {
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static int co2;
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static float h;
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static float t;
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every(5000) {
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// Read CO2, humidity and temperature
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co2 = get_co2();
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h = dht.readHumidity();
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t = dht.readTemperature();
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// Print data to serial port
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Serial.print(co2);
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Serial.print(",");
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Serial.print(t);
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Serial.print(",");
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Serial.print(h);
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Serial.println();
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}
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@ -452,8 +510,16 @@ void loop() {
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} else if (co2 == 0) {
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display_big(T.wait);
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} else {
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// some MH-Z19's go to 10000 but the display has space for 4 digits
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display_ppm(co2 > 9999 ? 9999 : co2);
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// Check if there is a humidity sensor
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if (isnan(h) || isnan(t)) {
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Serial.println("Failed to read from DHT sensor!");
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// Only display CO2 value (the old way)
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// some MH-Z19's go to 10000 but the display has space for 4 digits
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display_ppm(co2 > 9999 ? 9999 : co2);
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} else {
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// Display also humidity and temperature
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display_ppm_t_h(co2 > 9999 ? 9999 : co2, t, h);
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}
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}
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}
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@ -6,7 +6,7 @@
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; http://docs.platformio.org/page/projectconf.html
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; https://docs.platformio.org/page/projectconf.html
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[platformio]
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src_dir = .
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@ -20,52 +20,43 @@ board_build.partitions = default.csv
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framework = arduino
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targets = upload
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monitor_speed = 115200
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lib_deps =
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ESP-WiFiSettings@^3.7.2
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MH-Z19
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TFT_eSPI
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MQTT
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build_flags =
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# ESP-WiFiSettings languages:
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-DLANGUAGE_EN
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-DLANGUAGE_NL
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# ESP32 debugging:
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# -DCORE_DEBUG_LEVEL=5
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# TFT_eSPI configuration:
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-DUSER_SETUP_LOADED=1
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-DST7789_DRIVER=1
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-DCGRAM_OFFSET=1
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-DTFT_WIDTH=135
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-DTFT_HEIGHT=240
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-DTFT_MOSI=19
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-DTFT_SCLK=18
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-DTFT_CS=5
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-DTFT_DC=16
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-DTFT_RST=-23
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-DTFT_BL=4
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-DTFT_BACKLIGHT_ON=HIGH
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-DLOAD_GLCD=1
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-DLOAD_FONT2=1
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-DLOAD_FONT4=1
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-DLOAD_FONT6=1
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-DLOAD_FONT7=1
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-DLOAD_FONT8=1
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-DLOAD_GFXFF=1
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-DSPI_FREQUENCY=40000000
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lib_deps =
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ESP-WiFiSettings@^3.7.2
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MH-Z19
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TFT_eSPI
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MQTT
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build_flags =
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-DLANGUAGE_EN
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-DLANGUAGE_NL
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-DUSER_SETUP_LOADED=1
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-DST7789_DRIVER=1
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-DCGRAM_OFFSET=1
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-DTFT_WIDTH=135
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-DTFT_HEIGHT=240
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-DTFT_MOSI=19
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-DTFT_SCLK=18
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-DTFT_CS=5
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-DTFT_DC=16
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-DTFT_RST=-23
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-DTFT_BL=4
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-DTFT_BACKLIGHT_ON=HIGH
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-DLOAD_GLCD=1
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-DLOAD_FONT2=1
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-DLOAD_FONT4=1
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-DLOAD_FONT6=1
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-DLOAD_FONT7=1
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-DLOAD_FONT8=1
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-DLOAD_GFXFF=1
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-DSPI_FREQUENCY=40000000
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[env:serial]
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upload_protocol = esptool
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lib_deps = adafruit/DHT sensor library@^1.4.2
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[env:ota]
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upload_protocol = espota
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upload_port = operame-HEX_HERE.local
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upload_flags =
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--port=3232
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--auth=PASSWORD_HERE
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; Alternatively, instead of editing this file (which is annoying because it
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; might end up being committed in git), you can create extra an extra config
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; file.
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; Just copy the [env:ota] section to a new file called platformio-NAME.ini
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; and change [env:ota] to [env:NAME]. You can use this to OTA-update multiple
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; Operames with a single command: pio run -t upload -e NAME -e NAME -e NAME
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upload_flags =
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--port=3232
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--auth=PASSWORD_HERE
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lib_deps = adafruit/DHT sensor library@^1.4.2
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