diff --git a/esp-link/cgiflash.c b/esp-link/cgiflash.c
index 0fe3feb..1ce8469 100644
--- a/esp-link/cgiflash.c
+++ b/esp-link/cgiflash.c
@@ -179,7 +179,7 @@ int ICACHE_FLASH_ATTR cgiRebootFirmware(HttpdConnData *connData) {
   system_upgrade_flag_set(UPGRADE_FLAG_FINISH);
   os_timer_disarm(&flash_reboot_timer);
   os_timer_setfn(&flash_reboot_timer, (os_timer_func_t *)system_upgrade_reboot, NULL);
-  os_timer_arm(&flash_reboot_timer, 2000, 1);
+  os_timer_arm_us(&flash_reboot_timer, 2 * 1000000, 1);
   return HTTPD_CGI_DONE;
 }
 
@@ -193,6 +193,6 @@ int ICACHE_FLASH_ATTR cgiReset(HttpdConnData *connData) {
   // Schedule a reboot
   os_timer_disarm(&flash_reboot_timer);
   os_timer_setfn(&flash_reboot_timer, (os_timer_func_t *)system_restart, NULL);
-  os_timer_arm(&flash_reboot_timer, 2000, 1);
+  os_timer_arm_us(&flash_reboot_timer, 2 * 1000000, 1);
   return HTTPD_CGI_DONE;
 }
diff --git a/esp-link/cgioptiboot.c b/esp-link/cgioptiboot.c
index c3ca1ea..c94ac96 100644
--- a/esp-link/cgioptiboot.c
+++ b/esp-link/cgioptiboot.c
@@ -128,7 +128,7 @@ int ICACHE_FLASH_ATTR cgiOptibootSync(HttpdConnData *connData) {
     // start sync timer
     os_timer_disarm(&optibootTimer);
     os_timer_setfn(&optibootTimer, optibootTimerCB, NULL);
-    os_timer_arm(&optibootTimer, INIT_DELAY, 0);
+    os_timer_arm_us(&optibootTimer, INIT_DELAY * 1000, 0);
 
     // respond with optimistic OK
     noCacheHeaders(connData, 204);
@@ -382,7 +382,7 @@ bool ICACHE_FLASH_ATTR optibootProgramPage(void) {
 
 static void ICACHE_FLASH_ATTR armTimer(uint32_t ms) {
   os_timer_disarm(&optibootTimer);
-  os_timer_arm(&optibootTimer, ms, 0);
+  os_timer_arm_us(&optibootTimer, ms * 1000, 0);
 }
 
 static int baudRates[] = { 0, 9600, 57600, 115200 };
diff --git a/esp-link/cgipins.c b/esp-link/cgipins.c
index b763d12..bf4754d 100644
--- a/esp-link/cgipins.c
+++ b/esp-link/cgipins.c
@@ -32,9 +32,10 @@ int ICACHE_FLASH_ATTR cgiPinsGet(HttpdConnData *connData) {
   int len;
 
   len = os_sprintf(buff,
-      "{ \"reset\":%d, \"isp\":%d, \"conn\":%d, \"ser\":%d, \"swap\":%d, \"rxpup\":%d }",
+      "{ \"reset\":%d, \"isp\":%d, \"conn\":%d, \"ser\":%d, \"swap\":%d, \"rxpup\":%d, \"txen\":%d }",
       flashConfig.reset_pin, flashConfig.isp_pin, flashConfig.conn_led_pin,
-      flashConfig.ser_led_pin, !!flashConfig.swap_uart, !!flashConfig.rx_pullup);
+      flashConfig.ser_led_pin, !!flashConfig.swap_uart, !!flashConfig.rx_pullup,
+      flashConfig.tx_enable_pin);
 
   jsonHeader(connData, 200);
   httpdSend(connData, buff, len);
@@ -48,7 +49,7 @@ int ICACHE_FLASH_ATTR cgiPinsSet(HttpdConnData *connData) {
   }
 
   int8_t ok = 0;
-  int8_t reset, isp, conn, ser;
+  int8_t reset, isp, conn, ser, tx_enable;
   uint8_t swap, rxpup;
   ok |= getInt8Arg(connData, "reset", &reset);
   ok |= getInt8Arg(connData, "isp", &isp);
@@ -56,6 +57,7 @@ int ICACHE_FLASH_ATTR cgiPinsSet(HttpdConnData *connData) {
   ok |= getInt8Arg(connData, "ser", &ser);
   ok |= getBoolArg(connData, "swap", &swap);
   ok |= getBoolArg(connData, "rxpup", &rxpup);
+  ok |= getInt8Arg(connData, "txen", &tx_enable);
   if (ok < 0) return HTTPD_CGI_DONE;
 
   char *coll;
@@ -75,6 +77,10 @@ int ICACHE_FLASH_ATTR cgiPinsSet(HttpdConnData *connData) {
       if (pins & (1<<ser)) { coll = "Serial LED"; goto collision; }
       pins |= 1 << ser;
     }
+    if (tx_enable >= 0) {
+        if (pins & (1<<tx_enable)) { coll = "TX Enable"; goto collision; }
+        pins |= 1 << tx_enable;
+    }
     if (swap) {
       if (pins & (1<<15)) { coll = "Uart TX"; goto collision; }
       if (pins & (1<<13)) { coll = "Uart RX"; goto collision; }
@@ -90,8 +96,9 @@ int ICACHE_FLASH_ATTR cgiPinsSet(HttpdConnData *connData) {
     flashConfig.ser_led_pin = ser;
     flashConfig.swap_uart = swap;
     flashConfig.rx_pullup = rxpup;
-    os_printf("Pins changed: reset=%d isp=%d conn=%d ser=%d swap=%d rx-pup=%d\n",
-	reset, isp, conn, ser, swap, rxpup);
+    flashConfig.tx_enable_pin = tx_enable;
+    os_printf("Pins changed: reset=%d isp=%d conn=%d ser=%d swap=%d rx-pup=%d tx_enable=%d\n",
+	reset, isp, conn, ser, swap, rxpup, tx_enable);
 
     // apply the changes
     serbridgeInitPins();
diff --git a/esp-link/cgiservices.c b/esp-link/cgiservices.c
index dddb616..eb35661 100644
--- a/esp-link/cgiservices.c
+++ b/esp-link/cgiservices.c
@@ -39,7 +39,7 @@ int ICACHE_FLASH_ATTR cgiSystemSet(HttpdConnData *connData) {
     // schedule hostname change-over
     os_timer_disarm(&reassTimer);
     os_timer_setfn(&reassTimer, configWifiIP, NULL);
-    os_timer_arm(&reassTimer, 1000, 0); // 1 second for the response of this request to make it
+    os_timer_arm_us(&reassTimer, 1 * 1000000, 0); // 1 second for the response of this request to make it
   }
 
   if (configSave()) {
diff --git a/esp-link/cgiwifi.c b/esp-link/cgiwifi.c
index 01d3532..99b5473 100644
--- a/esp-link/cgiwifi.c
+++ b/esp-link/cgiwifi.c
@@ -280,7 +280,7 @@ void ICACHE_FLASH_ATTR wifiStartScan() {
     cgiWifiAps.scanInProgress = 1;
     os_timer_disarm(&scanTimer);
     os_timer_setfn(&scanTimer, scanStartCb, NULL);
-    os_timer_arm(&scanTimer, 200, 0);
+    os_timer_arm_us(&scanTimer, 200000, 0);
   }
 }
 
@@ -336,7 +336,7 @@ static void ICACHE_FLASH_ATTR resetTimerCb(void *arg) {
       // We're happily connected, go to STA mode
       DBG("Wifi got IP. Going into STA mode..\n");
       wifi_set_opmode(1);
-      os_timer_arm(&resetTimer, RESET_TIMEOUT, 0); // check one more time after switching to STA-only
+      os_timer_arm_us(&resetTimer, RESET_TIMEOUT * 1000, 0); // check one more time after switching to STA-only
 #endif
     }
     log_uart(false);
@@ -350,7 +350,7 @@ static void ICACHE_FLASH_ATTR resetTimerCb(void *arg) {
     }
     log_uart(true);
     DBG("Enabling/continuing uart log\n");
-    os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
+    os_timer_arm_us(&resetTimer, RESET_TIMEOUT * 1000, 0);
   }
 }
 
@@ -369,7 +369,19 @@ static void ICACHE_FLASH_ATTR reassTimerCb(void *arg) {
   // IP address
   os_timer_disarm(&resetTimer);
   os_timer_setfn(&resetTimer, resetTimerCb, NULL);
-  os_timer_arm(&resetTimer, 4*RESET_TIMEOUT, 0);
+  os_timer_arm_us(&resetTimer, 4*RESET_TIMEOUT * 1000, 0);
+}
+
+// Kick off connection to some network
+void ICACHE_FLASH_ATTR connectToNetwork(char *ssid, char *pass) {
+  os_strncpy((char*)stconf.ssid, ssid, 32);
+  os_strncpy((char*)stconf.password, pass, 64);
+  DBG("Wifi try to connect to AP %s pw %s\n", ssid, pass);
+
+  // Schedule disconnect/connect
+  os_timer_disarm(&reassTimer);
+  os_timer_setfn(&reassTimer, reassTimerCb, NULL);
+  os_timer_arm_us(&reassTimer, 1000000, 0); // 1 second for the response of this request to make it
 }
 
 // Kick off connection to some network
@@ -528,7 +540,7 @@ int ICACHE_FLASH_ATTR cgiWiFiSpecial(HttpdConnData *connData) {
   // schedule change-over
   os_timer_disarm(&reassTimer);
   os_timer_setfn(&reassTimer, configWifiIP, NULL);
-  os_timer_arm(&reassTimer, 1000, 0); // 1 second for the response of this request to make it
+  os_timer_arm_us(&reassTimer, 1 * 1000000, 0); // 1 second for the response of this request to make it
   // return redirect info
   jsonHeader(connData, 200);
   httpdSend(connData, url, -1);
@@ -714,7 +726,7 @@ int ICACHE_FLASH_ATTR cgiWiFiSetMode(HttpdConnData *connData) {
             wifi_station_connect();
             os_timer_disarm(&resetTimer);
             os_timer_setfn(&resetTimer, resetTimerCb, NULL);
-            os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
+            os_timer_arm_us(&resetTimer, RESET_TIMEOUT * 1000, 0);
         }
         if(previous_mode == 1){
             // moving to AP or STA+AP from STA, so softap config call needed
@@ -829,7 +841,7 @@ int ICACHE_FLASH_ATTR cgiWiFiConnStatus(HttpdConnData *connData) {
       // Reset into AP-only mode sooner.
       os_timer_disarm(&resetTimer);
       os_timer_setfn(&resetTimer, resetTimerCb, NULL);
-      os_timer_arm(&resetTimer, 1000, 0);
+      os_timer_arm_us(&resetTimer, 1 * 1000000, 0);
     }
   }
 #endif
@@ -973,7 +985,41 @@ void ICACHE_FLASH_ATTR wifiInit() {
     // check on the wifi in a few seconds to see whether we need to switch mode
     os_timer_disarm(&resetTimer);
     os_timer_setfn(&resetTimer, resetTimerCb, NULL);
-    os_timer_arm(&resetTimer, RESET_TIMEOUT, 0);
+    os_timer_arm_us(&resetTimer, RESET_TIMEOUT * 1000, 0);
+}
+
+// Access functions for cgiWifiAps : query the number of entries in the table
+int ICACHE_FLASH_ATTR wifiGetApCount() {
+  if (cgiWifiAps.scanInProgress)
+    return 0;
+  return cgiWifiAps.noAps;
+}
+
+// Access functions for cgiWifiAps : returns the name of a network, i is the index into the array, return stored in memory pointed to by ptr.
+ICACHE_FLASH_ATTR void wifiGetApName(int i, char *ptr) {
+  if (i < 0)
+    return;
+  if (i >= cgiWifiAps.noAps)
+    return;
+
+  if (ptr != 0)
+    strncpy(ptr, cgiWifiAps.apData[i]->ssid, 32);
+
+  DBG("AP %s\n", cgiWifiAps.apData[i]->ssid);
+}
+
+// Access functions for cgiWifiAps : returns the signal strength of network (i is index into array). Return current network strength for negative i.
+ICACHE_FLASH_ATTR int wifiSignalStrength(int i) {
+  sint8 rssi;
+
+  if (i < 0 || i == 255)
+    rssi = wifi_station_get_rssi();	// Current network's signal strength
+  else if (i >= cgiWifiAps.noAps)
+    rssi = 0;				// FIX ME
+  else
+    rssi = cgiWifiAps.apData[i]->rssi;	// Signal strength of any known network
+
+  return rssi;
 }
 
 // Access functions for cgiWifiAps : query the number of entries in the table
diff --git a/esp-link/config.c b/esp-link/config.c
index e9ad453..be49c69 100644
--- a/esp-link/config.c
+++ b/esp-link/config.c
@@ -34,6 +34,7 @@ FlashConfig flashDefault = {
   .data_bits	= EIGHT_BITS,
   .parity	= NONE_BITS,
   .stop_bits	= ONE_STOP_BIT,
+  .tx_enable_pin = -1,
 };
 
 typedef union {
@@ -174,6 +175,13 @@ bool ICACHE_FLASH_ATTR configRestore(void) {
       flashConfig.parity = flashDefault.parity;
       flashConfig.stop_bits = flashDefault.stop_bits;
   }
+  if (flashConfig.tx_enable_pin == 0 &&
+      (flashConfig.conn_led_pin == 0 || flashConfig.reset_pin == 0 ||
+       flashConfig.isp_pin == 0 || flashConfig.ser_led_pin == 0)) {
+    // just added tx_enable_pin and it got the default 0, which is not good, need to default to
+    // disabled.
+    flashConfig.tx_enable_pin = -1;
+  }
   return true;
 }
 
diff --git a/esp-link/config.h b/esp-link/config.h
index c6a4058..8b9c45f 100644
--- a/esp-link/config.h
+++ b/esp-link/config.h
@@ -43,6 +43,7 @@ typedef struct {
   int8_t   stop_bits;
   char     mqtt_password[70];          // MQTT password, was 32-char mqtt_old_password
   char     mqtt_username[70];          // MQTT username, was 32-char mqtt_old_username
+  int8_t   tx_enable_pin;
 } FlashConfig;
 extern FlashConfig flashConfig;
 
diff --git a/esp-link/main.c b/esp-link/main.c
index 31bcf6e..9914ec9 100644
--- a/esp-link/main.c
+++ b/esp-link/main.c
@@ -162,10 +162,13 @@ user_rf_cal_sector_set(void) {
 // Main routine to initialize esp-link.
 void ICACHE_FLASH_ATTR
 user_init(void) {
+  system_timer_reinit();
+
   // uncomment the following three lines to see flash config messages for troubleshooting
   //uart_init(115200, 115200);
   //logInit();
-  //os_delay_us(100000L);
+  //os_delay_us(60000L);
+
   // get the flash config so we know how to init things
   //configWipe(); // uncomment to reset the config for testing purposes
   bool restoreOk = configRestore();
@@ -202,7 +205,7 @@ user_init(void) {
 #ifdef SHOW_HEAP_USE
   os_timer_disarm(&prHeapTimer);
   os_timer_setfn(&prHeapTimer, prHeapTimerCb, NULL);
-  os_timer_arm(&prHeapTimer, 10 * 1000, 1);
+  os_timer_arm_us(&prHeapTimer, 10 * 1000000, 1);
 #endif
 
   struct rst_info *rst_info = system_get_rst_info();
diff --git a/esp-link/status.c b/esp-link/status.c
index 6905850..70a96d0 100644
--- a/esp-link/status.c
+++ b/esp-link/status.c
@@ -92,7 +92,7 @@ static void ICACHE_FLASH_ATTR ledTimerCb(void *v) {
   }
 
   setLed(ledState);
-  os_timer_arm(&ledTimer, time, 0);
+  os_timer_arm_us(&ledTimer, time * 1000, 0);
 }
 
 // change the wifi state indication
@@ -101,7 +101,7 @@ void ICACHE_FLASH_ATTR statusWifiUpdate(uint8_t state) {
   // schedule an update (don't want to run into concurrency issues)
   os_timer_disarm(&ledTimer);
   os_timer_setfn(&ledTimer, ledTimerCb, NULL);
-  os_timer_arm(&ledTimer, 500, 0);
+  os_timer_arm_us(&ledTimer, 500000, 0);
 }
 
 //===== Init status stuff
@@ -117,12 +117,12 @@ void ICACHE_FLASH_ATTR statusInit(void) {
 
   os_timer_disarm(&ledTimer);
   os_timer_setfn(&ledTimer, ledTimerCb, NULL);
-  os_timer_arm(&ledTimer, 2000, 0);
+  os_timer_arm_us(&ledTimer, 2 * 1000000, 0);
 
 #ifdef MQTT
   os_timer_disarm(&mqttStatusTimer);
   os_timer_setfn(&mqttStatusTimer, mqttStatusCb, NULL);
-  os_timer_arm(&mqttStatusTimer, MQTT_STATUS_INTERVAL, 1); // recurring timer
+  os_timer_arm_us(&mqttStatusTimer, MQTT_STATUS_INTERVAL * 1000, 1); // recurring timer
 #endif // MQTT
 }
 
diff --git a/html/home.html b/html/home.html
index de9862f..59dc5fd 100644
--- a/html/home.html
+++ b/html/home.html
@@ -76,6 +76,12 @@
                   <div class="popup">Second signal to program &#xb5;C.
                     AVR:not used, esp8266:gpio2, ARM:ISP</div>
                 </div>
+                <div class="pure-control-group">
+                  <label for="pin-txen">TX Enable</label>
+                  <select id="pin-txen"></select>
+                  <div class="popup">A pin that should be asserted high while transmitting
+                    (eg. to put RS/485 trancievers into TX mode)</div>
+                </div>
                 <div class="pure-control-group">
                   <label for="pin-conn">Conn LED</label>
                   <select id="pin-conn"></select>
diff --git a/html/ui.js b/html/ui.js
index 67361c9..eb50b4c 100644
--- a/html/ui.js
+++ b/html/ui.js
@@ -393,12 +393,12 @@ function showNotification(text) {
 //===== GPIO Pin mux card
 
 var pinPresets = {
-  // array: reset, isp, conn, ser, swap, rxpup
-  "esp-01":       [  0, -1, 2, -1, 0, 1 ],
-  "esp-12":       [ 12, 14, 0,  2, 0, 1 ],
-  "esp-12 swap":  [  1,  3, 0,  2, 1, 1 ],
-  "esp-bridge":   [ 12, 13, 0, 14, 0, 0 ],
-  "wifi-link-12": [  1,  3, 0,  2, 1, 0 ],
+  // array: reset, isp, conn, ser, swap, rxpup, txen
+  "esp-01":       [  0, -1, 2, -1, 0, 1, -1 ],
+  "esp-12":       [ 12, 14, 0,  2, 0, 1, -1 ],
+  "esp-12 swap":  [  1,  3, 0,  2, 1, 1, -1 ],
+  "esp-bridge":   [ 12, 13, 0, 14, 0, 0, -1 ],
+  "wifi-link-12": [  1,  3, 0,  2, 1, 0, -1 ],
 };
 
 function createPresets(sel) {
@@ -418,6 +418,7 @@ function createPresets(sel) {
     setPP("ser",   pp[3]);
     setPP("swap",  pp[4]);
     $("#pin-rxpup").checked = !!pp[5];
+    setPP("txen",  pp[6]);
     sel.value = 0;
   };
 
@@ -453,6 +454,7 @@ function displayPins(resp) {
   createSelectForPin("ser", resp["ser"]);
   $("#pin-swap").value = resp["swap"];
   $("#pin-rxpup").checked = !!resp["rxpup"];
+  createSelectForPin("txen", resp["txen"]);
   createPresets($("#pin-preset"));
 
   $("#pin-spinner").setAttribute("hidden", "");
@@ -469,7 +471,7 @@ function setPins(ev) {
   ev.preventDefault();
   var url = "/pins";
   var sep = "?";
-  ["reset", "isp", "conn", "ser", "swap"].forEach(function(p) {
+  ["reset", "isp", "conn", "ser", "swap", "txen"].forEach(function(p) {
     url += sep + p + "=" + $("#pin-"+p).value;
     sep = "&";
   });
diff --git a/include/esp8266.h b/include/esp8266.h
index 9531dfe..3cb71cf 100644
--- a/include/esp8266.h
+++ b/include/esp8266.h
@@ -18,6 +18,7 @@
 #include <gpio.h>
 #include <mem.h>
 
+#define USE_US_TIMER
 #include <osapi.h>
 #include <upgrade.h>
 
diff --git a/mqtt/mqtt.c b/mqtt/mqtt.c
index cce3436..f6a557e 100644
--- a/mqtt/mqtt.c
+++ b/mqtt/mqtt.c
@@ -703,7 +703,7 @@ MQTT_Connect(MQTT_Client* client) {
   // start timer function to tick every second
   os_timer_disarm(&client->mqttTimer);
   os_timer_setfn(&client->mqttTimer, (os_timer_func_t *)mqtt_timer, client);
-  os_timer_arm(&client->mqttTimer, 1000, 1);
+  os_timer_arm_us(&client->mqttTimer, 1 * 1000000, 1);
 
   // initiate the TCP connection or DNS lookup
   os_printf("MQTT: Connect to %s:%d %p (client=%p)\n",
diff --git a/serial/serbridge.c b/serial/serbridge.c
index 88de652..4b71b1b 100644
--- a/serial/serbridge.c
+++ b/serial/serbridge.c
@@ -18,7 +18,7 @@
 static struct espconn serbridgeConn1; // plain bridging port
 static struct espconn serbridgeConn2; // programming port
 static esp_tcp serbridgeTcp1, serbridgeTcp2;
-static int8_t mcu_reset_pin, mcu_isp_pin;
+static int8_t mcu_reset_pin, mcu_isp_pin, tx_enable_pin;
 
 uint8_t in_mcu_flashing;   // for disabling slip during MCU flashing
 
@@ -557,9 +557,10 @@ serbridgeInitPins()
 {
   mcu_reset_pin = flashConfig.reset_pin;
   mcu_isp_pin = flashConfig.isp_pin;
+  tx_enable_pin = flashConfig.tx_enable_pin;
 #ifdef SERBR_DBG
-  os_printf("Serbridge pins: reset=%d isp=%d swap=%d\n",
-      mcu_reset_pin, mcu_isp_pin, flashConfig.swap_uart);
+  os_printf("Serbridge pins: reset=%d isp=%d tx_enable=%d swap=%d\n",
+      mcu_reset_pin, mcu_isp_pin, tx_enable_pin, flashConfig.swap_uart);
 #endif
 
   if (flashConfig.swap_uart) {
@@ -578,12 +579,25 @@ serbridgeInitPins()
     system_uart_de_swap();
   }
 
-  // set both pins to 1 before turning them on so we don't cause a reset
-  if (mcu_isp_pin >= 0)   GPIO_OUTPUT_SET(mcu_isp_pin, 1);
-  if (mcu_reset_pin >= 0) GPIO_DIS_OUTPUT(mcu_reset_pin);
-  // switch pin mux to make these pins GPIO pins
-  if (mcu_reset_pin >= 0) makeGpio(mcu_reset_pin);
-  if (mcu_isp_pin >= 0)   makeGpio(mcu_isp_pin);
+  /* set both pins to 1 before turning them on (so we don't cause a reset)
+   * then switch pin mux to make these pins GPIO pins
+   */
+  if (mcu_isp_pin >= 0) {
+    GPIO_OUTPUT_SET(mcu_isp_pin, 1);
+    makeGpio(mcu_isp_pin);
+  }
+
+  if (mcu_reset_pin >= 0) {
+    GPIO_OUTPUT_SET(mcu_reset_pin, 1);
+    makeGpio(mcu_reset_pin);
+  }
+
+  // set TX_ENABLE to 0 so we start up listening
+  if (tx_enable_pin >= 0) {
+    GPIO_OUTPUT_SET(tx_enable_pin, 0);
+    makeGpio(tx_enable_pin);
+  }
+  //uart0_set_tx_enable_pin(tx_enable_pin); // must set to -1 if that's its value
 }
 
 // Start transparent serial bridge TCP server on specified port (typ. 23)
diff --git a/serial/serled.c b/serial/serled.c
index 5bd66a2..8d533e1 100644
--- a/serial/serled.c
+++ b/serial/serled.c
@@ -25,7 +25,7 @@ void ICACHE_FLASH_ATTR serledFlash(int duration) {
   setSerled(1);
   os_timer_disarm(&serledTimer);
   os_timer_setfn(&serledTimer, serledTimerCb, NULL);
-  os_timer_arm(&serledTimer, duration, 0);
+  os_timer_arm_us(&serledTimer, duration * 1000, 0);
 }
 
 void ICACHE_FLASH_ATTR serledInit(void) {
diff --git a/syslog/syslog.c b/syslog/syslog.c
index 5c88901..3c8ae48 100644
--- a/syslog/syslog.c
+++ b/syslog/syslog.c
@@ -91,7 +91,7 @@ static void ICACHE_FLASH_ATTR syslog_timer_arm(int delay) {
     syslog_timer_armed = true;
     os_timer_disarm(&wifi_chk_timer);
     os_timer_setfn(&wifi_chk_timer, (os_timer_func_t *)syslog_chk_status, NULL);
-    os_timer_arm(&wifi_chk_timer, delay, 0);
+    os_timer_arm_us(&wifi_chk_timer, delay * 1000, 0);
 }
 
 /******************************************************************************