diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9b8e234
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# drop - Automatic Watering System
+
+This is a project for automatic plant watering using a single Arduino Mega.
diff --git a/config.hpp b/config.hpp
index 4c39944..6f2f950 100644
--- a/config.hpp
+++ b/config.hpp
@@ -36,10 +36,10 @@ constexpr int VALVE_DELAY_MS = 1 * SECOND / 4;
 constexpr int PUMP_DELAY_MS = 1 * SECOND / 4;
 
 /// the amount of time to water the plot (valve open and pump running)
-constexpr int WATER_TIME_MS = 1 * SECOND;
+constexpr int WATER_TIME_MS = 1 * SECOND / 4;
 
 /// how long to wait between loops
-constexpr int LOOP_DELAY_MS = 1 * SECOND; // TODO set higher once it is working
+constexpr int LOOP_DELAY_MS = 1 * SECOND;
 
 /// minimum amount of time to wait between watering each pot, even when minimum wetness has been reached
 constexpr int MIN_WATERING_INTERVAL_MS = 10 * SECOND; // TODO set higher once it is working
@@ -72,6 +72,132 @@ constexpr PotConfig POT_CONFIGS[] = {
       .calibration_wet = 100,
     }
   },
+  {
+    .valve_pin = 27,
+    .led_pin = 26,
+    .sensor = {
+      .pin = A2,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 29,
+    .led_pin = 28,
+    .sensor = {
+      .pin = A3,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 31,
+    .led_pin = 30,
+    .sensor = {
+      .pin = A4,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 33,
+    .led_pin = 32,
+    .sensor = {
+      .pin = A5,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 35,
+    .led_pin = 34,
+    .sensor = {
+      .pin = A6,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 37,
+    .led_pin = 36,
+    .sensor = {
+      .pin = A7,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 39,
+    .led_pin = 38,
+    .sensor = {
+      .pin = A8,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 41,
+    .led_pin = 40,
+    .sensor = {
+      .pin = A9,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 43,
+    .led_pin = 42,
+    .sensor = {
+      .pin = A10,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 45,
+    .led_pin = 44,
+    .sensor = {
+      .pin = A11,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 47,
+    .led_pin = 46,
+    .sensor = {
+      .pin = A12,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 49,
+    .led_pin = 48,
+    .sensor = {
+      .pin = A13,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 51,
+    .led_pin = 50,
+    .sensor = {
+      .pin = A14,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
+  {
+    .valve_pin = 53,
+    .led_pin = 52,
+    .sensor = {
+      .pin = A15,
+      .calibration_dry = 520,
+      .calibration_wet = 100,
+    }
+  },
 };
 
 constexpr unsigned int POT_COUNT = sizeof(POT_CONFIGS) / sizeof(POT_CONFIGS[0]);
diff --git a/drop.ino b/drop.ino
index 40fe17c..27fa546 100644
--- a/drop.ino
+++ b/drop.ino
@@ -13,6 +13,8 @@ Pot pots[POT_COUNT];
 
 void setup() {
   Serial.begin(9600);
+  Serial.println("");
+  Serial.println("Initializing...");
 
   pinMode(PUMP_LED_PIN, OUTPUT);
   pinMode(PUMP_PIN, OUTPUT);
@@ -36,8 +38,6 @@ void setup() {
 }
 
 void loop() {
-  delay(LOOP_DELAY_MS);
-
   Serial.println("");
   Serial.println("LOOP");
 
@@ -52,6 +52,8 @@ void loop() {
     per_pot(pots[i]);
     Serial.println("");
   }
+  
+  delay(LOOP_DELAY_MS);
 }
 
 void per_pot(Pot &pot) {
@@ -129,7 +131,7 @@ void set_pump(bool on) {
 }
 
 void set_valve(uint8_t valve, bool open) {
-  Serial.print("setting pump on pin ");
+  Serial.print("setting valve on pin ");
   Serial.print(valve);
   Serial.print(" to state ");
   Serial.println(open);