-#define AO_ADC_SQ9 AO_ADC_ACCEL_REF
-#define AO_ADC_SQ10 AO_ADC_ACCEL
-#define AO_ADC_SQ11 AO_ADC_TEMP
+#define AO_ADC_SQ9 AO_ADC_TEMP
+
+/*
+ * Voltage divider on ADC battery sampler
+ */
+#define AO_BATTERY_DIV_PLUS 56 /* 5.6k */
+#define AO_BATTERY_DIV_MINUS 100 /* 10k */
+
+/*
+ * Voltage divider on ADC pyro battery sampler
+ */
+#define AO_PYRO_BATTERY_DIV_PLUS 100 /* 100k */
+#define AO_PYRO_BATTERY_DIV_MINUS 27 /* 27k */
+
+/*
+ * Voltage divider on ADC igniter samplers
+ */
+#define AO_IGNITE_DIV_PLUS 100 /* 100k */
+#define AO_IGNITE_DIV_MINUS 27 /* 27k */
+
+/*
+ * ADC reference in decivolts
+ */
+#define AO_ADC_REFERENCE_DV 33