diff --git a/firmware/display.h b/firmware/display.h
index f65a79b..c085f61 100644
--- a/firmware/display.h
+++ b/firmware/display.h
@@ -11,6 +11,10 @@
 #define LCD_CHAR_DEGREE  0x03
 #define LCD_CHAR_BLANK   0x20
 
+extern uint8_t newThermoData1;
+extern uint16_t thermoData[];
+
+
 extern const prog_uint8_t lcd_halfbar_char[];
 extern const prog_uint8_t lcd_bar_char[];
 extern const prog_uint8_t lcd_degree_char[];
diff --git a/firmware/main.c b/firmware/main.c
index 5f8b085..df2ee59 100644
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -1,5 +1,9 @@
 #include "main.h"
 
+uint8_t newThermoData = 1;
+uint16_t thermoData[] = {1024, 814, 2475, 2243};
+
+
 volatile uint16_t timer1_acc;
 uint16_t softtimer_last[SOFTTIMERNUMS];
 
@@ -70,7 +74,7 @@ int __attribute__((noreturn)) main(void) {
       newThermoData = 1;
     }
 
-    SOFTTIMER(1,100) {
+    SOFTTIMER(1,250) {
       updateTemperature();
     }
 
diff --git a/firmware/main.h b/firmware/main.h
index 5008b1c..fc9bc6a 100644
--- a/firmware/main.h
+++ b/firmware/main.h
@@ -26,8 +26,8 @@
 #include "spi.h"
 #include "usb.h"
 
-static uint8_t newThermoData = 1;
-static uint16_t thermoData[] = {1024, 814, 2475, 2243};
+extern uint8_t newThermoData;
+extern uint16_t thermoData[];
 
 #define SOFTTIMERNUMS 4