diff --git a/Makefile b/Makefile
index 1160376..10e3e36 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@ LDFLAGS += -Wl,-u,vfprintf -lprintf_flt
 
 MAIN_OBJS += main.o
 MAIN_OBJS += contr_main.o
-MAIN_OBJS += contr_relay.o
+MAIN_OBJS += relay.o
 MAIN_OBJS += contr_init.o
 MAIN_OBJS += eeprom.o
 MAIN_OBJS += i2c.o
diff --git a/contr_main.c b/contr_main.c
index 367bfa2..b9ffdf7 100644
--- a/contr_main.c
+++ b/contr_main.c
@@ -16,9 +16,9 @@
 #include <tool.h>
 #include <uart.h>
 #include <temp.h>
+#include <relay.h>
 
 #include <contr_main.h>
-#include <contr_relay.h>
 #include <contr_init.h>
 
 #define CONTR_BAND_OFF  0x01
@@ -36,8 +36,6 @@ void contr_key_reset(void);
 void contr_switch_band(void);
 void contr_set_band(uint8_t band);
 
-
-
 void contr_vcc_measure(void);
 float contr_vcc_calc(void);
 
@@ -89,27 +87,8 @@ void contr_init(void) {
 
 void contr_setup(void) {
     contr_read_band();
-    contr_txrelay_init();
-    contr_txrelay_off();
 
-    contr_att_init();
-    contr_att_off();
 
-    contr_relay10m_init();
-    contr_relay20m_init();
-    contr_relay40m_init();
-    contr_relay80m_init();
-
-    contr_relay10m_off();
-    contr_relay20m_off();
-    contr_relay40m_off();
-    contr_relay80m_off();
-
-    contr_buzzer_init();
-    contr_buzzer_off();
-
-    contr_fan_init();
-    contr_fan_off();
 
     contr_key_init();
     contr_adc_init();
@@ -118,29 +97,29 @@ void contr_setup(void) {
 
 
 void contr_switch_band(void) {
-    contr_txrelay_off();
+    relaytx_off();
     _delay_ms(100);
-    contr_relay80m_off();
-    contr_relay40m_off();
-    contr_relay20m_off();
-    contr_relay10m_off();
+    relay80m_off();
+    relay40m_off();
+    relay20m_off();
+    relay10m_off();
     _delay_ms(100);
 
     switch (contr.band) {
     case CONTR_BAND_10M:
-        contr_relay20m_on();
+        relay20m_on();
         contr.band = CONTR_BAND_20M;
         break;
     case CONTR_BAND_20M:
-        contr_relay40m_on();
+        relay40m_on();
         contr.band = CONTR_BAND_40M;
         break;
     case CONTR_BAND_40M:
-        contr_relay80m_on();
+        relay80m_on();
         contr.band = CONTR_BAND_80M;
         break;
     case CONTR_BAND_80M:
-        contr_relay10m_on();
+        relay10m_on();
         contr.band = CONTR_BAND_10M;
         break;
     default:
@@ -148,7 +127,7 @@ void contr_switch_band(void) {
     }
     contr_write_band();
     _delay_ms(100);
-    contr_att_on();
+    atten_on();
     _delay_ms(100);
 }
 
@@ -187,11 +166,11 @@ void contr_key_eval(void) {
             break;
         case CONTR_KEY_BUZZER:
             contr_key_reset();
-            contr_buzzer_onoff();
+            buzzer_onoff();
             break;
         case CONTR_KEY_FUN:
             contr_key_reset();
-            contr_fan_onoff();
+            fan_onoff();
             break;
         default:
             contr_key_reset();
diff --git a/contr_relay.h b/contr_relay.h
deleted file mode 100644
index 0ff2e32..0000000
--- a/contr_relay.h
+++ /dev/null
@@ -1,41 +0,0 @@
-
-#ifndef CONTR_RELAY_H_QWERTY
-#define CONTR_RELAY_H_QWERTY
-
-void contr_txrelay_init(void);
-void contr_txrelay_on(void);
-void contr_txrelay_off(void);
-void contr_txrelay_onoff(void);
-
-void contr_relay10m_init(void);
-void contr_relay10m_on(void);
-void contr_relay10m_off(void);
-
-void contr_relay20m_init(void);
-void contr_relay20m_on(void);
-void contr_relay20m_off(void);
-
-void contr_relay40m_init(void);
-void contr_relay40m_on(void);
-void contr_relay40m_off(void);
-
-void contr_relay80m_init(void);
-void contr_relay80m_on(void);
-void contr_relay80m_off(void);
-
-void contr_buzzer_init(void);
-void contr_buzzer_on(void);
-void contr_buzzer_off(void);
-void contr_buzzer_onoff(void);
-
-void contr_fan_init(void);
-void contr_fan_on(void);
-void contr_fan_off(void);
-void contr_fan_onoff(void);
-bool contr_fan_is_on(void);
-
-void contr_att_init(void);
-void contr_att_on(void);
-void contr_att_off(void);
-
-#endif
diff --git a/main.c b/main.c
index 8356261..26ddc9d 100644
--- a/main.c
+++ b/main.c
@@ -14,6 +14,7 @@
 #include <uart.h>
 #include <i2c.h>
 #include <disp.h>
+#include <relay.h>
 
 #include <contr_main.h>
 
@@ -22,6 +23,25 @@ int main(void) {
     i2c_init();
     uartio_init();
     disp_init();
+
+    atten_init();
+    relaytx_init();
+    relay10m_init();
+    relay20m_init();
+    relay40m_init();
+    relay80m_init();
+    buzzer_init();
+    fan_init();
+
+    relaytx_off();
+    atten_off();
+    relay10m_off();
+    relay20m_off();
+    relay40m_off();
+    relay80m_off();
+    buzzer_off();
+    fan_off();
+
     contr_init();
     contr_setup();
     sei();
diff --git a/contr_relay.c b/relay.c
similarity index 61%
rename from contr_relay.c
rename to relay.c
index f007208..21037d9 100644
--- a/contr_relay.c
+++ b/relay.c
@@ -16,102 +16,102 @@
 //#include <timer.h>
 
 /* D4 PD4: Set input relay 5 output */
-void contr_txrelay_init(void) {
+void relaytx_init(void) {
     REG_SETUP_BIT(DDRD, PD4);
 }
-void contr_txrelay_on(void) {
+void relaytx_on(void) {
     REG_SETUP_BIT(PORTD, PD4);
 }
-void contr_txrelay_off(void) {
+void relaytx_off(void) {
     REG_SETDOWN_BIT(PORTD, PD4);
 }
-void contr_txrelay_onoff(void) {
+void relaytx_onoff(void) {
     if (REG_BIT_VALUE(PIND, PD4)) {
-        contr_txrelay_off();
+        relaytx_off();
     } else {
-        contr_txrelay_on();
+        relaytx_on();
     }
 }
 /* D6 PD6: Set 10M relay 1 output */
-void contr_relay10m_init(void) {
+void relay10m_init(void) {
     REG_SETUP_BIT(DDRD, PD6);
 }
-void contr_relay10m_on(void) {
+void relay10m_on(void) {
     REG_SETUP_BIT(PORTD, PD6);
 }
-void contr_relay10m_off(void) {
+void relay10m_off(void) {
     REG_SETDOWN_BIT(PORTD, PD6);
 }
 
 /* D7 PD7: Set 20M relay 2 output */
-void contr_relay20m_init(void) {
+void relay20m_init(void) {
     REG_SETUP_BIT(DDRD, PD7);
 }
-void contr_relay20m_on(void) {
+void relay20m_on(void) {
     REG_SETUP_BIT(PORTD, PD7);
 }
-void contr_relay20m_off(void) {
+void relay20m_off(void) {
     REG_SETDOWN_BIT(PORTD, PD7);
 }
 
 /* D8 PB0: Set 40M relay 3 output */
-void contr_relay40m_init(void) {
+void relay40m_init(void) {
     REG_SETUP_BIT(DDRB, PB0);
 }
-void contr_relay40m_on(void) {
+void relay40m_on(void) {
     REG_SETUP_BIT(PORTB, PB0);
 }
-void contr_relay40m_off(void) {
+void relay40m_off(void) {
     REG_SETDOWN_BIT(PORTB, PB0);
 }
 
 /* D9 PB1: Set 80M relay 4 output */
-void contr_relay80m_init(void) {
+void relay80m_init(void) {
     REG_SETUP_BIT(DDRB, PB1);
 }
-void contr_relay80m_on(void) {
+void relay80m_on(void) {
     REG_SETUP_BIT(PORTB, PB1);
 }
-void contr_relay80m_off(void) {
+void relay80m_off(void) {
     REG_SETDOWN_BIT(PORTB, PB1);
 }
 
 /* D10 PB2: Set buzzer output */
-void contr_buzzer_init(void) {
+void buzzer_init(void) {
     REG_SETUP_BIT(DDRB, PB2);
 }
-void contr_buzzer_on(void) {
+void buzzer_on(void) {
     REG_SETUP_BIT(PORTB, PB2);
 }
-void contr_buzzer_off(void) {
+void buzzer_off(void) {
     REG_SETDOWN_BIT(PORTB, PB2);
 }
-void contr_buzzer_onoff(void) {
+void buzzer_onoff(void) {
     if (REG_BIT_VALUE(PINB, PB2)) {
-        contr_buzzer_off();
+        buzzer_off();
     } else {
-        contr_buzzer_on();
+        buzzer_on();
     }
 }
 
 /* D12 PB4: Set fan output */
-void contr_fan_init(void) {
+void fan_init(void) {
     REG_SETUP_BIT(DDRB, PB4);
 }
-void contr_fan_on(void) {
+void fan_on(void) {
     REG_SETUP_BIT(PORTB, PB4);
 }
-void contr_fan_off(void) {
+void fan_off(void) {
     REG_SETDOWN_BIT(PORTB, PB4);
 }
-void contr_fan_onoff(void) {
+void fan_onoff(void) {
     if (REG_BIT_VALUE(PINB, PB4)) {
-        contr_fan_off();
+        fan_off();
     } else {
-        contr_fan_on();
+        fan_on();
     }
 }
-bool contr_fan_is_on(void) {
+bool fan_is_on(void) {
     if (REG_BIT_VALUE(PINB, PB4)) {
         return true;
     }
@@ -119,13 +119,13 @@ bool contr_fan_is_on(void) {
 }
 
 /* D13 PB5: Set attenuator relay output */
-void contr_att_init(void) {
+void atten_init(void) {
     REG_SETUP_BIT(DDRB, PB5);
 }
-void contr_att_on(void) {
+void atten_on(void) {
     REG_SETUP_BIT(PORTB, PB5);
 }
-void contr_att_off(void) {
+void atten_off(void) {
     REG_SETDOWN_BIT(PORTB, PB5);
 }
 
diff --git a/relay.h b/relay.h
new file mode 100644
index 0000000..e5666e0
--- /dev/null
+++ b/relay.h
@@ -0,0 +1,41 @@
+
+#ifndef CONTR_RELAY_H_QWERTY
+#define CONTR_RELAY_H_QWERTY
+
+void relaytx_init(void);
+void relaytx_on(void);
+void relaytx_off(void);
+void relaytx_onoff(void);
+
+void relay10m_init(void);
+void relay10m_on(void);
+void relay10m_off(void);
+
+void relay20m_init(void);
+void relay20m_on(void);
+void relay20m_off(void);
+
+void relay40m_init(void);
+void relay40m_on(void);
+void relay40m_off(void);
+
+void relay80m_init(void);
+void relay80m_on(void);
+void relay80m_off(void);
+
+void buzzer_init(void);
+void buzzer_on(void);
+void buzzer_off(void);
+void buzzer_onoff(void);
+
+void fan_init(void);
+void fan_on(void);
+void fan_off(void);
+void fan_onoff(void);
+bool fan_is_on(void);
+
+void atten_init(void);
+void atten_on(void);
+void atten_off(void);
+
+#endif