Add heltec capsule back

variants/heltec_capsule_sensor_v3/platformio.ini

@@ -0,0 +1,10 @@
+[env:heltec_capsule_sensor_v3]
+extends = esp32s3_base
+board = heltec_wifi_lora_32_V3
+board_check = true
+
+build_flags = 
+  ${esp32s3_base.build_flags} -I variants/heltec_capsule_sensor_v3
+  -D HELTEC_CAPSULE_SENSOR_V3
+  -D GPS_POWER_TOGGLE ; comment this line to disable triple press function on the user button to turn off gps entirely.
+  ;-D DEBUG_DISABLED ; uncomment this line to disable DEBUG output

variants/heltec_capsule_sensor_v3/variant.h

@@ -0,0 +1,53 @@
+#define LED_PIN 33
+#define LED_PIN2 34
+#define EXT_PWR_DETECT 35
+
+#define BUTTON_PIN 18
+
+#define BATTERY_PIN 7 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define ADC_CHANNEL ADC1_GPIO7_CHANNEL
+#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
+#define ADC_MULTIPLIER (4.9 * 1.045)
+#define ADC_CTRL 36 // active HIGH, powers the voltage divider. Only on 1.1
+#define ADC_CTRL_ENABLED HIGH
+
+#undef GPS_RX_PIN
+#undef GPS_TX_PIN
+#define GPS_RX_PIN 5
+#define GPS_TX_PIN 4
+#define PIN_GPS_RESET 3
+#define GPS_RESET_MODE LOW
+#define PIN_GPS_PPS 1
+#define PIN_GPS_EN 21
+#define GPS_EN_ACTIVE HIGH
+
+#define USE_SX1262
+#define LORA_DIO0 -1 // a No connect on the SX1262 module
+#define LORA_RESET 12
+#define LORA_DIO1 14 // SX1262 IRQ
+#define LORA_DIO2 13 // SX1262 BUSY
+#define LORA_DIO3    // Not connected on PCB, but internally on the TTGO SX1262, if DIO3 is high the TXCO is enabled
+
+#define LORA_SCK 9
+#define LORA_MISO 11
+#define LORA_MOSI 10
+#define LORA_CS 8
+
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+
+#define I2C_SDA 1
+#define I2C_SCL 2
+#define HAS_SCREEN 0
+#define SENSOR_POWER_CTRL_PIN 21
+#define SENSOR_POWER_ON 1
+
+#define PERIPHERAL_WARMUP_MS 100
+#define SENSOR_GPS_CONFLICT
+
+#define ESP32S3_WAKE_TYPE ESP_EXT1_WAKEUP_ANY_HIGH