diff --git a/Core/Src/main.c b/Core/Src/main.c
index b445323..fbdc75b 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -149,8 +149,8 @@ int main(void)
 //      ADC_proc_shadow.avg_ON = ADC_proc_shadow.sum_ON / ADC_proc_shadow.N;
       ADC_proc_shadow.avg_OFF = ADC_proc_shadow.sum_OFF / ADC_proc_shadow.N;
       ADC_proc_shadow.avg_ON = ADC_proc_shadow.sum_ON / ADC_proc_shadow.N;
-      ADC_proc_shadow.avg_ON = ADC_proc_shadow.avg_OFF;
-     // ADC_proc_shadow.avg_ON = ADC_proc_shadow.avg_ON - ADC_proc_shadow.avg_OFF;
+      //ADC_proc_shadow.avg_ON = ADC_proc_shadow.avg_OFF;
+      ADC_proc_shadow.avg_ON = ADC_proc_shadow.avg_ON - ADC_proc_shadow.avg_OFF;
       ADC_proc_shadow.status = 1; // reset for next accumulation
       ADC_proc_shadow.sum = 0;
       ADC_proc_shadow.N = 0;