diff --git a/conf.h b/conf.h
index 8e6afbf..ed4f103 100644
--- a/conf.h
+++ b/conf.h
@@ -32,6 +32,7 @@ struct config
 	bool skwf;
 	bool bt;
 	bool enow;
+	bool enowone;
 	uint8_t pins[6];
 	uint8_t pinb;
 	uint8_t pinp;
diff --git a/main.cpp b/main.cpp
index a6c4acf..dc9625b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,7 +22,7 @@ char exjpg[5] = ".jpg";
 char extxt[5] = ".txt";
 
 struct config conf = {
-	"v0.14e",
+	"v0.15",
 	"LedHDxx",
 	{}, //macs
 	0, //macson
@@ -37,6 +37,7 @@ struct config conf = {
 	false, //skwf
 	false, //bluetooth
 	false, //enow
+	false, //enowone
 	{22,25,26,27,0,0}, //pins
 	BTN_PIN,
 	PWR_PIN,
diff --git a/sub_btn.cpp b/sub_btn.cpp
index be73b81..cab2100 100644
--- a/sub_btn.cpp
+++ b/sub_btn.cpp
@@ -27,7 +27,7 @@ void check_off()
 		{
 			char ans[8];
 			sprintf(ans, "iamon%02d", enow_getorder());
-			enow_send(String(ans));
+			enow_send(ans);
 		}
 		if (offm != millis())
 		{
diff --git a/sub_enow.cpp b/sub_enow.cpp
index 361ac83..c1b7806 100644
--- a/sub_enow.cpp
+++ b/sub_enow.cpp
@@ -9,21 +9,9 @@ static uint16_t macmask;
 
 void enow_begin()
 {
-	WiFi.persistent(false);
-	WiFi.mode(WIFI_AP);
-	WiFi.softAP("ESPNOW", nullptr, WIFI_CHANNEL);
-	WiFi.softAPdisconnect(false);
-
-	bool conENow = WifiEspNow.begin();//Broadcast
-	if (!conENow)
-	{
-		Serial.println("Enow failed");
-	}
-	else
-	{
-		WifiEspNow.onReceive(enow_receive, nullptr);//Broadcast
-		Serial.println("Enow begin");
-	}
+	bool conENow = WifiEspNowBroadcast.begin("ESPNOW", WIFI_CHANNEL);
+	if (!conENow) Serial.println("WifiEspNowBroadcast.begin() failed");
+	else WifiEspNowBroadcast.onReceive(enow_receive, nullptr);
 	macmask = 1;
 	for (int i = 0; i <= conf.macslen; i++) macmask |= 1 << i;
 	int me = enow_getorder();
@@ -32,12 +20,12 @@ void enow_begin()
 
 void enow_end()
 {
-	WifiEspNow.onReceive(nullptr, nullptr);//Broadcast
+	WifiEspNowBroadcast.onReceive(nullptr, nullptr);
 }
 
 void enow_poll()
 {
-	//WifiEspNow.loop();//Broadcast
+	WifiEspNowBroadcast.loop();
 }
 
 void enow_receive(const uint8_t mac[6], const uint8_t * buf, size_t count, void * cbarg)
@@ -60,7 +48,7 @@ void enow_receive(const uint8_t mac[6], const uint8_t * buf, size_t count, void
 	for (int i = 0; i < count; ++i) buft[i] = buf[i]; //Serial.print(static_cast<char>(buf[i]));
 	buft[count] = 0;
 	String q = String(buft);
-	Serial.println(String(millis()) + ": " + q);
+	Serial.println(q);
 	if (q.startsWith("enow"))
 	{
 		int dei = q.indexOf("=");
@@ -94,25 +82,20 @@ void enow_receive(const uint8_t mac[6], const uint8_t * buf, size_t count, void
 		Serial.print(conf.macson, BIN); Serial.print(" "); Serial.println(macmask, BIN);
 		if (conf.macson == macmask)
 		{
-			//WifiEspNowBroadcast.send(reinterpret_cast < const uint8_t * > ("enow_go=1"), 9);
-			//WifiEspNowBroadcast.send(reinterpret_cast < const uint8_t * > ("enow_go=1"), 9);
-			for (int i = 0; i < conf.macslen; i++) {WifiEspNow.send(conf.macs[i], reinterpret_cast <const uint8_t * > ("enow_go=1"), 9); delay(5);}
-			for (int i = 0; i < conf.macslen; i++) {WifiEspNow.send(conf.macs[i], reinterpret_cast <const uint8_t * > ("enow_go=1"), 9); delay(5);}
+			WifiEspNowBroadcast.send(reinterpret_cast < const uint8_t * > ("enow_go=1"), 9);
+			WifiEspNowBroadcast.send(reinterpret_cast < const uint8_t * > ("enow_go=1"), 9);
 			state.go = true;
 		}
 	}
 }
 
-void enow_send(String txt)
+void enow_send(char txt[])
 {
 	char msg[60];
-	int len = txt.length();
-	txt.toCharArray(msg, 60);
-	snprintf(msg, sizeof(msg), "%s", txt);
-	//WifiEspNowBroadcast.send(reinterpret_cast < const uint8_t * > (msg), len);
-	for (int i = 0; i < conf.macslen; i++) {WifiEspNow.send(conf.macs[i], reinterpret_cast <const uint8_t * > (msg), len); delay(5);}
-	Serial.printf("Sending message (%d): %s\n", len, msg);
-	/*
+	int len = snprintf(msg, sizeof(msg), "%s", txt);
+	WifiEspNowBroadcast.send(reinterpret_cast < const uint8_t * > (msg), len);
+	Serial.println("Sending message");
+	Serial.println(msg);
 	Serial.print("Recipients:");
 	const int MAX_PEERS = 20;
 	WifiEspNowPeerInfo peers[MAX_PEERS];
@@ -123,7 +106,6 @@ void enow_send(String txt)
 		Serial.write(' ');
 	}
 	Serial.println();
-	*/
 }
 
 int enow_getorder()
@@ -172,15 +154,13 @@ void enow_wakeup()
 				Serial.print("adding peer ");
 				for (int m = 0; m < 6; m++) Serial.printf("%02X",  conf.macs[i][m]);
 				Serial.println();
-				WifiEspNow.addPeer(conf.macs[i]);
+				WifiEspNow.addPeer(conf.macs[i], 3);
 			}
 		}
 		int ord = enow_getorder();
 		if (ord == conf.macslen + 1)
 		{
-			//WifiEspNowBroadcast.send(reinterpret_cast<const uint8_t*>("go"), 2);
-			for (int i = 0; i < conf.macslen; i++) WifiEspNow.send(conf.macs[i], reinterpret_cast <const uint8_t * > ("go"), 2);
-			
+			WifiEspNowBroadcast.send(reinterpret_cast<const uint8_t*>("go"), 2);
 		}
 	}
 	else
diff --git a/sub_enow.h b/sub_enow.h
index 0476e17..d18c019 100644
--- a/sub_enow.h
+++ b/sub_enow.h
@@ -7,7 +7,7 @@ void enow_begin();
 void enow_end();
 void enow_poll();
 void enow_receive(const uint8_t mac[6], const uint8_t * buf, size_t count, void * cbarg);
-void enow_send(String txt);
+void enow_send(char txt[]);
 int enow_getorder();
 void enow_wakeup2();
 void enow_wakeup();
diff --git a/sub_http.cpp b/sub_http.cpp
index 2687e9e..9313df4 100644
--- a/sub_http.cpp
+++ b/sub_http.cpp
@@ -213,6 +213,7 @@ static const char content_files1[] PROGMEM = R"=====(
 <meta charset='UTF-8'>
 <style>
 td {padding: 0 10px;}
+input {margin:0 5px 5px 0;}
 </style>
 </head>
 <body>
@@ -715,7 +716,7 @@ static const char content_prog[] PROGMEM = R"=====(
 <head>
 <title>poihd prog</title><meta charset='UTF-8'>
 <script src='prog.js'></script>
-<style>img,input {margin-right: 5px;}</style>
+<style>img,input,select {margin:0 5px 5px 0;}</style>
 </head>
 <body>
 <a href='/'>main</a>   
@@ -733,7 +734,7 @@ prog <input type='button' value='load' onClick='lp()'><input type='button' value
 pics <input type='button' value='clear' onClick='if(confirm("del all?")) ws.clearRegions()'><label><input type='checkbox' id='delrc'>del by click</label>
 <div style='width:100%;overflow:scroll;'><table id='pcs'></table></div><br>
 
-<select id='progs' onchange='loadf(this.value)'></select>
+<select id='progs' onchange='loadf(this.value)'></select><input type='button' value='del' onclick='delp()'>
 <br>
 <form method='POST'>
 name <input name='progn' id='progn' maxlength=25 onkeyup='this.value = this.value.replace(/[^A-Za-z0-9_.]/g, "")'><br>
@@ -848,6 +849,17 @@ async function savep(){
 	loads(document.getElementById('progn').value);
 	alert(t);
 }
+function delp(){
+	var a = document.getElementById('progs');
+	var v = a.value, i = a.selectedIndex;
+	if (i == -1) return;
+	var t = a.options[i].text;
+	var q = confirm('delete '+t+' ?');
+	if(q) fetch('/del?f='+encodeURI('/prog_'+v+'.txt'))
+		.then((response) => {return response.text();})
+		.then((data) => {alert(data);if(data.indexOf('deleted')!=-1){a.remove(i); a.onchange();}
+	})
+}
 )=====";
 
 void handleProg()
diff --git a/sub_json.cpp b/sub_json.cpp
index 4975881..508baa0 100644
--- a/sub_json.cpp
+++ b/sub_json.cpp
@@ -69,9 +69,17 @@ void json_save()
 	preferences.putBool(  "skwf", conf.skwf);
 	preferences.putBool(  "blth", conf.bt);
 	preferences.putBool(  "enow", conf.enow);
+	preferences.putBool(  "enow1", conf.enowone);
 	preferences.putInt(   "whdr", state.whdr);
 	preferences.putUShort("bpms", state.bpm);
-	preferences.putString("prog", state.progname);
+	if (state.progname != "no_prog")
+	{
+		preferences.putString("prog", state.progname);
+	}
+	else
+	{
+		preferences.remove("prog");
+	}
 	if (ssid[1] != "spiffs" && pass[1] != "spiffs")
 	{
 		preferences.putString("ssd1", ssid[1]);
@@ -112,6 +120,7 @@ void json_load()
 	conf.skwf = preferences.getBool(  "skwf", false);
 	conf.bt   = preferences.getBool(  "blth", false);
 	conf.enow = preferences.getBool(  "enow", false);
+	conf.enowone = preferences.getBool(  "enow1", false);
 	state.whdr = preferences.getInt(  "whdr", 3);
 	state.bpm  = preferences.getUShort("bpms", 4000);
 	state.progname = preferences.getString("prog", "no_prog");
@@ -120,6 +129,27 @@ void json_load()
 	ssid[2] = preferences.getString("ssd2", "spiffs");
 	pass[2] = preferences.getString("pss2", "spiffs");
 	preferences.end();
+	if (conf.enowone)
+	{
+		preferences.begin("conf", false);
+		preferences.putBool(  "skwf", false);
+		preferences.putBool(  "enow", false);
+		preferences.putBool(  "enow1", false);
+		preferences.end();
+	}
+}
+
+void json_del()
+{
+	Preferences preferences;
+	preferences.begin("conf", false);
+	conf.macslen = 0;
+	memset(conf.macs, 0, 96);
+	state.progname = "no_prog";
+	preferences.putUChar( "mlen", conf.macslen);
+	preferences.putBytes( "mmac", conf.macs, 96);
+	preferences.remove("prog");
+	preferences.end();
 }
 
 void json_clear()
diff --git a/sub_json.h b/sub_json.h
index bc831ca..3d6ba5b 100644
--- a/sub_json.h
+++ b/sub_json.h
@@ -10,9 +10,10 @@
 #include <Preferences.h>
 #include <nvs_flash.h>
 
-void json_save();
-void json_load();
 String str_encode(String in);
 void mac_decode(String in, uint8_t *ans);
+void json_save();
+void json_load();
+void json_del();
 
 #endif
diff --git a/sub_udp.cpp b/sub_udp.cpp
index 99eebe4..56d1a31 100644
--- a/sub_udp.cpp
+++ b/sub_udp.cpp
@@ -124,6 +124,12 @@ String get_answ(String san, String sav)
 		conf.cont = savi;
 		return "cont set ok " + sav;
 	}
+	if (san == "delconf")
+	{
+		json_del();
+		conf.macslen = 0;
+		return F("conf deleted");	
+	}
 	if (san == "drip")
 	{
 		IPAddress myip = WiFi.localIP();
@@ -137,6 +143,7 @@ String get_answ(String san, String sav)
 			conf.bt = false;
 			conf.skwf = true;
 			conf.enow = true;
+			conf.enowone = true;
 			json_save();
 			return "enow on";
 		}
@@ -220,8 +227,8 @@ String get_answ(String san, String sav)
 	if (san == "macor")
 	{
 		int px = enow_getorder();
-		led_clear();
-		for (int i = 0; i < px; i++) led_setpx(i, green);
+		for (int i = 0; i < 22; i++) led_setpxall(i, black);
+		for (int i = 0; i < px; i++) led_setpxall(i, green);
 		led_show();
 		return "mac order";
 	}