diff --git a/esp32/platformio.ini b/esp32/platformio.ini
index 31230c9..59ac1b8 100644
--- a/esp32/platformio.ini
+++ b/esp32/platformio.ini
@@ -16,4 +16,7 @@ lib_deps =
   tzapu/WiFiManager@^2.0.17
   bblanchon/ArduinoJson@^7.1.0
   khoih-prog/ESP32_C3_TimerInterrupt@^1.8.0
-build_flags = -Wall -Werror
+build_flags =
+  -Wall -Werror
+upload_protocol = espota
+upload_port = 10.20.0.119
diff --git a/esp32/src/main.cpp b/esp32/src/main.cpp
index e6e662b..fb2fd78 100644
--- a/esp32/src/main.cpp
+++ b/esp32/src/main.cpp
@@ -4,6 +4,10 @@
 #include <WiFiManager.h>
 #include <ArduinoJson.h>
 #include <ESP32_C3_TimerInterrupt.h>
+#include <ArduinoOTA.h>
+
+#define BRIGHTNESS_HIGH 255
+#define BRIGHTNESS_LOW 64
 
 #define DISP_CLK D7
 #define DISP_SER D8
@@ -136,7 +140,7 @@ void isr_minus() {
   }
 }
 
-bool timer0_isr(void *data) {
+bool isr_timer0(void *data) {
   request_update = true;
   return true;
 }
@@ -162,9 +166,7 @@ void showNumber(int8_t number, uint8_t bright = 255, bool show_dot01 = false, bo
     shiftOut(DISP_SER, DISP_CLK, MSBFIRST, digits10[number/10] | dot10 * show_dot10);
   }
   digitalWrite(DISP_CLK, HIGH);
-  delay(2);
   digitalWrite(DISP_CLK, LOW);
-  delay(2);
   setBrightness(bright);
 }
 
@@ -179,8 +181,8 @@ void showSpinner(uint8_t bright = 255) {
 }
 
 void draw(uint8_t bright = 255, bool show_dot01 = false) {
-  digitalWrite(LED_OPEN, space_open);
-  digitalWrite(LED_CLOSE, !space_open);
+  analogWrite(LED_OPEN, bright * space_open);
+  analogWrite(LED_CLOSE, bright * !space_open);
   showNumber(counter, bright, show_dot01);
 }
 
@@ -189,7 +191,7 @@ void reconnect() {
     Serial.print("Reconnecting to WiFi");
     WiFi.reconnect();
     for (uint16_t i = 0; i < 1000 && WiFi.status() != WL_CONNECTED; ++i) {
-      showSpinner(64);
+      showSpinner(BRIGHTNESS_HIGH);
       delay(50);
       Serial.print(".");
     }
@@ -228,29 +230,66 @@ void setup() {
   pinMode(DISP_CLK, OUTPUT);
   digitalWrite(DISP_PWM, HIGH);
 
-  showNumber(88, 255, true, true);
-  digitalWrite(LED_OPEN, HIGH);
-  digitalWrite(LED_CLOSE, HIGH);
+  showNumber(88, BRIGHTNESS_HIGH, true, true);
+  analogWrite(LED_OPEN, BRIGHTNESS_HIGH);
+  analogWrite(LED_CLOSE, BRIGHTNESS_HIGH);
+  delay(1000);
   WiFi.setHostname("spaceapibox");
-  if (!wifiManager.autoConnect("spaceapibox", "12345678")) {
+  if (!digitalRead(SW_OPEN) && !wifiManager.startConfigPortal("spaceapibox", "12345678")) {
+    ESP.restart();
+    while (true);
+  } else if (!wifiManager.autoConnect("spaceapibox", "12345678")) {
     ESP.restart();
     while (true);
   }
-  ITimer0.attachInterruptInterval(60 * 1000 * 1000, timer0_isr);
+  ArduinoOTA
+    .onStart([]() {
+      String type;
+      if (ArduinoOTA.getCommand() == U_FLASH) {
+        type = "sketch";
+      } else {  // U_SPIFFS
+        type = "filesystem";
+      }
+
+      // NOTE: if updating SPIFFS this would be the place to unmount SPIFFS using SPIFFS.end()
+      Serial.println("Start updating " + type);
+    })
+    .onEnd([]() {
+      Serial.println("\nEnd");
+    })
+    .onProgress([](unsigned int progress, unsigned int total) {
+      Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+    })
+    .onError([](ota_error_t error) {
+      Serial.printf("Error[%u]: ", error);
+      if (error == OTA_AUTH_ERROR) {
+        Serial.println("Auth Failed");
+      } else if (error == OTA_BEGIN_ERROR) {
+        Serial.println("Begin Failed");
+      } else if (error == OTA_CONNECT_ERROR) {
+        Serial.println("Connect Failed");
+      } else if (error == OTA_RECEIVE_ERROR) {
+        Serial.println("Receive Failed");
+      } else if (error == OTA_END_ERROR) {
+        Serial.println("End Failed");
+      }
+    });
+  ArduinoOTA.begin();
+
+  ITimer0.attachInterruptInterval(60 * 1000 * 1000, isr_timer0);
   edited = false;
   request_update = true;
-  draw(16);
+  draw(BRIGHTNESS_LOW);
 }
 
 void loop() {
   if (just_edited) {
     just_edited = false;
-    draw(128, true);
+    draw(BRIGHTNESS_HIGH, true);
   }
   if (edited && millis() - last_edit > 1000) {
     edited = false;
     Serial.println("Edited!");
-    //reconnect();
     snprintf(buf, 1024, "open value=%d\npeople_now_present value=%d\n", space_open ? 1 : 0, counter);
     Serial.print("Sending update: ");
     Serial.println(buf);
@@ -262,7 +301,7 @@ void loop() {
     request_update = true;
   }
   if (request_update) {
-    draw(16, true);
+    draw(BRIGHTNESS_LOW, true);
     request_update = false;
     Serial.println("Requesting update!");
     reconnect();
@@ -291,6 +330,8 @@ void loop() {
     }
 
     // Update display
-    draw(16);
+    draw(BRIGHTNESS_LOW);
   }
+
+  ArduinoOTA.handle();
 }