diff --git a/scripts/onoff.py b/scripts/onoff.py
new file mode 100755
index 0000000..6442d24
--- /dev/null
+++ b/scripts/onoff.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+import tlay2_client
+import struct
+
+def send_onoff(state):
+    a=tlay2_client.Tlay2_msg(1)
+    a.msg(struct.pack("?",state))
+    
+if __name__ == "__main__":
+    import argparse
+    parser = argparse.ArgumentParser(description='Control power')
+    
+    group = parser.add_mutually_exclusive_group()
+    group.add_argument('-0', '--on', action='store_true')
+    group.add_argument('-1', '--off', action='store_true')
+    
+    args = parser.parse_args()
+
+    if args.on:
+        send_onoff(True)
+    if args.off:
+        send_onoff(False)
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 9ececf0..9daa29d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -61,7 +61,7 @@ void bt_enabled(int err)
 	barrot_init();
 }
 
-#define DISPLAY_STACK_SIZE 500
+#define DISPLAY_STACK_SIZE 1000
 K_THREAD_STACK_DEFINE(display_stack_area, DISPLAY_STACK_SIZE);
 struct k_thread display_thread_data;
 
@@ -153,12 +153,11 @@ int main(void)
 		}
 
 		uint16_t onoff;
-		if(modbus_read_holding_regs(client_iface, 1, 0x902C, &onoff,1)!=0)
+		if(modbus_read_input_regs(client_iface, 1, 0x3035, &onoff,1)!=0)
 		{
 			printt("Read fail3");
 			continue;
 		}
-		printt("%d", onoff);
 		k_mutex_lock(&reg_data.mut, K_FOREVER);
 		reg_data.d.b_soc = holding_reg[0];
 		reg_data.d.b_v = holding_reg[1];
@@ -167,7 +166,7 @@ int main(void)
 		reg_data.d.l_a = holding_reg[6];
 		reg_data.d.s_v = holding_reg[9];
 		reg_data.d.s_a = holding_reg[10];
-		reg_data.d.on = onoff == 0;
+		reg_data.d.on = (onoff&1) == 1;
 		k_mutex_unlock(&reg_data.mut);
 		k_sem_give(&reg_data.new_sample);
 		printt("Read ok");
diff --git a/src/main_modules.hpp b/src/main_modules.hpp
index 9a0c262..4da1159 100644
--- a/src/main_modules.hpp
+++ b/src/main_modules.hpp
@@ -37,6 +37,7 @@ extern Tlay2<128> tlay2;
 
 extern Display display;
 
+extern int client_iface;
 
 
 
diff --git a/src/tlay2.hpp b/src/tlay2.hpp
index 2cfec4c..45a9f31 100644
--- a/src/tlay2.hpp
+++ b/src/tlay2.hpp
@@ -96,7 +96,8 @@ public:
 		ret = uart.Init();
 		if(!ret)
 			return ret;
-		k_thread_create(&rx_thread,rx_stack, rx_stack_size,rx_thread_c,this,NULL,NULL,5,0,K_NO_WAIT);
+		k_tid_t tid = k_thread_create(&rx_thread,rx_stack, rx_stack_size,rx_thread_c,this,NULL,NULL,5,0,K_NO_WAIT);
+		k_thread_name_set(tid,"Tlay2");
 		return true;
 	}
 
diff --git a/src/uart.cpp b/src/uart.cpp
index a8cefe0..cb53661 100644
--- a/src/uart.cpp
+++ b/src/uart.cpp
@@ -1,7 +1,8 @@
 #include "main_modules.hpp"
 #include <zephyr/device.h>
+#include <zephyr/modbus/modbus.h>
 
-K_KERNEL_STACK_DEFINE(tlay2_stack,300);
+K_KERNEL_STACK_DEFINE(tlay2_stack,1000);
 
 
 void process_packet(Tlay2<128>* obj, uint8_t*data,size_t len);
@@ -18,6 +19,14 @@ void process_packet(Tlay2<128>* obj, uint8_t*data,size_t len)
 			obj->tx_byte(data[i]);
 		obj->tx_end();
 		break;
+	case 1: // set power
+	{
+		int ret = modbus_write_coil(client_iface, 1, 0x0000, !data[2]);
+		obj->tx_init_reply();
+		obj->tx_u32(ret);
+		obj->tx_end();
+		break;
+	}
 	default:
 		break;
 	}