diff --git a/firmware/applications/default.c b/firmware/applications/default.c
index fc6e145..022b896 100644
--- a/firmware/applications/default.c
+++ b/firmware/applications/default.c
@@ -95,7 +95,7 @@ int lcdInitConfig(){
 
 
 void main_default(void) {
-    systickInit(10);
+    systickInit(SYSTICKSPEED);
 
     if(getInputRaw()==BTN_ENTER){
         ISPandReset();
@@ -118,7 +118,7 @@ void tick_default(void) {
     static int ctr;
     ctr++;
     incTimer();
-    if(ctr>100){
+    if(ctr>1000/SYSTICKSPEED){
         if(!adcMutex){
             VoltageCheck();
             LightCheck();
@@ -133,7 +133,7 @@ void tick_default(void) {
     else
         backlightSetBrightness(0);
 
-    if(ctr%5==0){
+    if(ctr%(50/SYSTICKSPEED)==0){
 
         if(GetVoltage()<3600
 #ifdef SAFE
@@ -142,7 +142,7 @@ void tick_default(void) {
                 ){
             IOCON_PIO1_11 = 0x0;
             gpioSetDir(RB_LED3, gpioDirection_Output);
-            if( (ctr/5)%10 == 1 )
+            if( (ctr/(50/SYSTICKSPEED))%10 == 1 )
                 gpioSetValue (RB_LED3, 1);
             else
                 gpioSetValue (RB_LED3, 0);
@@ -151,3 +151,4 @@ void tick_default(void) {
 
     return;
 };
+
diff --git a/firmware/basic/basic.h b/firmware/basic/basic.h
index 94b9222..be165b4 100644
--- a/firmware/basic/basic.h
+++ b/firmware/basic/basic.h
@@ -182,5 +182,7 @@ void handleMenu(const struct MENU *the_menu);
 
 #include "basic/idle.h"
 
+#define SYSTICKSPEED 10
+
 #endif
 
diff --git a/firmware/basic/idle.c b/firmware/basic/idle.c
index a2d4321..3d01408 100644
--- a/firmware/basic/idle.c
+++ b/firmware/basic/idle.c
@@ -22,7 +22,7 @@ void work_queue(void){
 #ifdef __arm__
 		__asm volatile ("WFI");
 #else
-            delayms(10);
+            delayms(SYSTICKSPEED);
 #endif
 		return;
 	};
@@ -36,13 +36,13 @@ void work_queue(void){
 };
 
 void delayms_queue(uint32_t ms){
-	int end=_timectr+ms/10;
+	int end=_timectr+ms/SYSTICKSPEED;
 	do {
 		if (the_queue.qstart == the_queue.qend){
 #ifdef __arm__
 			__asm volatile ("WFI");
 #else
-            delayms(10);
+            delayms(SYSTICKSPEED);
 #endif
 		}else{
 			work_queue();
@@ -51,12 +51,13 @@ void delayms_queue(uint32_t ms){
 };
 
 void delayms_power(uint32_t ms){
+    ms/=SYSTICKSPEED;
     ms+=_timectr;
 	do {
 #ifdef __arm__
 			__asm volatile ("WFI");
 #else
-            delayms(10);
+            delayms(SYSTICKSPEED);
 #endif
 	} while (ms >_timectr);
 };