diff --git a/ESP32-DIV/.theia/launch.json b/ESP32-DIV/.theia/launch.json
new file mode 100644
index 00000000..a2ea02c4
--- /dev/null
+++ b/ESP32-DIV/.theia/launch.json
@@ -0,0 +1,6 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  "version": "0.2.0",
+  "configurations": []
+}
diff --git a/ESP32-DIV/BoardConfig.h b/ESP32-DIV/BoardConfig.h
index 94d0741a..560fe4be 100644
--- a/ESP32-DIV/BoardConfig.h
+++ b/ESP32-DIV/BoardConfig.h
@@ -4,8 +4,8 @@
 // Leave all lines commented to use the ESP32-DIV V2 wiring.
 
 // #define BOARD_CYD
-// #define BOARD_ESP32_DIV_V1
- #define BOARD_ESP32_DIV_V2
+ #define BOARD_ESP32_DIV_V1
+// #define BOARD_ESP32_DIV_V2
 
 // Set to 0 to hide the on-screen touch nav bar (5 footer buttons).
 // Touch button input will still work when this is disabled.
diff --git a/ESP32-DIV/config.h b/ESP32-DIV/config.h
index 01f2744c..bba42e39 100644
--- a/ESP32-DIV/config.h
+++ b/ESP32-DIV/config.h
@@ -35,7 +35,7 @@
 #include "esp_gap_bt_api.h"
 
 #include "arduinoFFT.h"
-#include "ELECHOUSE_CC1101_SRC_DRV.h"
+#include "ELECHOUSE_CC1101_ESP32DIV.h"
 #include "utils.h"
 #include "shared.h"
 
diff --git a/ESP32-DIV/shared.h b/ESP32-DIV/shared.h
index 1c239c6c..aa5cf5f4 100644
--- a/ESP32-DIV/shared.h
+++ b/ESP32-DIV/shared.h
@@ -73,7 +73,7 @@ uint16_t uiUniversalColor();
 #define ESP32DIV_NAME "ESP32-DIV"
 #endif
 #ifndef ESP32DIV_VERSION
-#define ESP32DIV_VERSION "v1.7.0"
+#define ESP32DIV_VERSION "v1.7.k"
 #endif
 
 
@@ -279,7 +279,7 @@ static const uint8_t OBF_WB[]   = {75, 97, 110, 109, 122, 92, 109, 107, 96, 38,
 #if defined(BOARD_CYD)
 #define XPT2046_MOSI 32
 #elif defined(BOARD_ESP32_DIV_V1)
-#define XPT2046_MOSI 23
+#define XPT2046_MOSI 32
 #else
 #define XPT2046_MOSI 35
 #endif
@@ -288,7 +288,7 @@ static const uint8_t OBF_WB[]   = {75, 97, 110, 109, 122, 92, 109, 107, 96, 38,
 #if defined(BOARD_CYD)
 #define XPT2046_MISO 39
 #elif defined(BOARD_ESP32_DIV_V1)
-#define XPT2046_MISO 19
+#define XPT2046_MISO 35
 #else
 #define XPT2046_MISO 37
 #endif
@@ -297,7 +297,7 @@ static const uint8_t OBF_WB[]   = {75, 97, 110, 109, 122, 92, 109, 107, 96, 38,
 #if defined(BOARD_CYD)
 #define XPT2046_CLK  25
 #elif defined(BOARD_ESP32_DIV_V1)
-#define XPT2046_CLK  18
+#define XPT2046_CLK  25
 #else
 #define XPT2046_CLK  36
 #endif
@@ -305,6 +305,8 @@ static const uint8_t OBF_WB[]   = {75, 97, 110, 109, 122, 92, 109, 107, 96, 38,
 #ifndef XPT2046_IRQ
 #if defined(BOARD_CYD)
 #define XPT2046_IRQ  36
+#elif defined(BOARD_ESP32_DIV_V1)
+#define XPT2046_IRQ  34
 #else
 #define XPT2046_IRQ  255
 #endif
@@ -630,7 +632,15 @@ static const uint8_t OBF_WB[]   = {75, 97, 110, 109, 122, 92, 109, 107, 96, 38,
 
 /*──────────────────── Battery ────────────────────*/
 #ifndef BATTERY_ADC_PIN
+#if defined(BOARD_ESP32_DIV_V1)
+#define BATTERY_ADC_PIN 36
+#elif defined(BOARD_CYD)
+// CYD has no onboard battery monitor
 #define BATTERY_ADC_PIN -1
+//#else
+// Verify the correct ADC pin for V2 hardware
+//#define BATTERY_ADC_PIN -1
+#endif
 #endif
 #ifndef BATTERY_VDIV_R1
 #define BATTERY_VDIV_R1 200000.0f
diff --git a/ESP32-DIV/subconfig.h b/ESP32-DIV/subconfig.h
index 1967a30b..d430356a 100644
--- a/ESP32-DIV/subconfig.h
+++ b/ESP32-DIV/subconfig.h
@@ -2,7 +2,7 @@
 #define SUBCONFIG_H
 
 #include <EEPROM.h>
-#include <ELECHOUSE_CC1101_SRC_DRV.h>
+#include <ELECHOUSE_CC1101_ESP32DIV.h>
 #include <PCF8574.h>
 #include <RCSwitch.h>
 #include <SPI.h>
diff --git a/ESP32-DIV/utils.cpp b/ESP32-DIV/utils.cpp
index 0a99030d..b1dea342 100644
--- a/ESP32-DIV/utils.cpp
+++ b/ESP32-DIV/utils.cpp
@@ -472,22 +472,28 @@ void requestStatusBarRedraw() {
 const float R1 = 100000.0;
 const float R2 = 100000.0;
 
-float readBatteryVoltage() {
-  const int sampleCount = 10;
-  long sum = 0;
+float readBatteryVoltage()
+{
+    static bool adcInitialized = false;
 
-  for (int i = 0; i < sampleCount; i++) {
-    sum += analogRead(BATTERY_ADC_PIN);
-    delay(5);
-  }
+    if (!adcInitialized)
+    {
+        analogSetPinAttenuation(BATTERY_ADC_PIN, ADC_11db);
+        adcInitialized = true;
+    }
 
-  float averageADC = sum / (float)sampleCount;
+    const int sampleCount = 16;
+    uint32_t sum = 0;
 
-  float pinVoltage = (averageADC / 4095.0) * 2.2;
+    for (int i = 0; i < sampleCount; i++)
+    {
+        sum += analogReadMilliVolts(BATTERY_ADC_PIN);
+        delayMicroseconds(500);
+    }
 
-  float outputVoltage = pinVoltage * 2.0;
+    float avgMv = sum / (float)sampleCount;
 
-  return outputVoltage;
+    return (avgMv / 1000.0f) * 2.0f;
 }
 
 float readInternalTemperature() {
@@ -810,24 +816,26 @@ bool initPcf8574Buttons() {
   pcf.pinMode(BTN_SELECT, INPUT_PULLUP);
 
 #if PCF8574_AUTO_DETECT
-  for (uint8_t addr = PCF8574_ADDR_MIN; addr <= PCF8574_ADDR_MAX; addr++) {
-    if (pcf.begin(addr)) {
-      s_pcf8574Addr = addr;
-      Serial.printf("[PCF8574] auto-detected at 0x%02X\n", addr);
-      break;
-    }
-  }
-  if (s_pcf8574Addr == 0) {
-    Serial.println("[PCF8574] not found (scanned 0x20-0x27)");
+
+  // Address is fixed in the PCF8574 constructor, so begin() takes no arguments.
+  if (!pcf.begin()) {
+    Serial.printf("[PCF8574] not found at 0x%02X\n", PCF8574_I2C_ADDR);
     return false;
   }
+
+  s_pcf8574Addr = PCF8574_I2C_ADDR;
+  Serial.printf("[PCF8574] using PCF8574 at 0x%02X\n", s_pcf8574Addr);
+
 #else
-  if (!pcf.begin(PCF8574_I2C_ADDR)) {
+
+  if (!pcf.begin()) {
     Serial.printf("[PCF8574] not found at fixed address 0x%02X\n", PCF8574_I2C_ADDR);
     return false;
   }
+
   s_pcf8574Addr = PCF8574_I2C_ADDR;
   Serial.printf("[PCF8574] using fixed address 0x%02X\n", s_pcf8574Addr);
+
 #endif
 
   for (int pin = 0; pin < 8; pin++) {
@@ -836,6 +844,7 @@ bool initPcf8574Buttons() {
     Serial.print(": ");
     Serial.println(pcf.digitalRead(pin) ? "Released" : "Pressed");
   }
+
   return true;
 }
 #else