diff --git a/Mesures/humidity/solar-grafana/0_1_htu21d.lua b/Mesures/humidity/solar-grafana/0_1_htu21d.lua
index 60120ed..72526fb 100644
--- a/Mesures/humidity/solar-grafana/0_1_htu21d.lua
+++ b/Mesures/humidity/solar-grafana/0_1_htu21d.lua
@@ -2,8 +2,8 @@
 -- https://github.com/zuzu59/NodeMCU_Lua/tree/master/Mesures/humidity/bolo-thingspeak/docu/HTU21D.txt
 
 function readHTU21D()
-    if verbose then print("\n 0_1_htu21d.lua   zf200524.1656 \n") end
-    if verbose then print("1readHTU21D: "..ztime_format(rtctime.get())) end
+    if verbose then print("\n 0_1_htu21d.lua   zf200524.1915 \n") end
+    if verbose then print("1readHTU21D: "..ztime_stamp()) end
     
     id = 0   sda = 5   scl = 6   addr = 0x40
     HUMIDITY = 0xE5   TEMPERATURE = 0xE3
diff --git a/Mesures/humidity/solar-grafana/0_2_htu21d.lua b/Mesures/humidity/solar-grafana/0_2_htu21d.lua
index 5430191..24ea5bd 100644
--- a/Mesures/humidity/solar-grafana/0_2_htu21d.lua
+++ b/Mesures/humidity/solar-grafana/0_2_htu21d.lua
@@ -2,8 +2,8 @@
 -- https://github.com/zuzu59/NodeMCU_Lua/tree/master/Mesures/humidity/bolo-thingspeak/docu/HTU21D.txt
 
 function readHTU21D()
-    if verbose then print("\n 0_2_htu21d.lua   zf200524.1657 \n") end
-    if verbose then print("2readHTU21D: "..ztime_format(rtctime.get())) end
+    if verbose then print("\n 0_2_htu21d.lua   zf200524.1915 \n") end
+    if verbose then print("2readHTU21D: "..ztime_stamp()) end
     
     id = 0   sda = 5   scl = 7   addr = 0x40
     HUMIDITY = 0xE5   TEMPERATURE = 0xE3
diff --git a/Mesures/humidity/solar-grafana/0_cron.lua b/Mesures/humidity/solar-grafana/0_cron.lua
index c578fda..8fbcac4 100644
--- a/Mesures/humidity/solar-grafana/0_cron.lua
+++ b/Mesures/humidity/solar-grafana/0_cron.lua
@@ -1,5 +1,5 @@
 -- Petit script pour faire office de crontab pour les mesures
-print("\n 0_cron.lua   zf200524.1728   \n")
+print("\n 0_cron.lua   zf200524.1915   \n")
 
 
 function tprint(t)    
@@ -14,7 +14,7 @@ ztemp1=20  zhum1=40   ztemp2=20  zhum2=40
 cron1=tmr.create()
 cron1:alarm(10*1000,  tmr.ALARM_AUTO, function()
     if verbose then print("cron1........................") end
-    if verbose then print("cron1: "..ztime_format(rtctime.get())) end
+    if verbose then print("cron1: "..ztime_stamp()) end
     if verbose then gpio.write(zLED, gpio.LOW) tmr.delay(10000) gpio.write(zLED, gpio.HIGH) end
 
     http_post(influxdb_url,"energy,memory=cron1 ram="..node.heap())
diff --git a/Mesures/humidity/solar-grafana/0_http_post.lua b/Mesures/humidity/solar-grafana/0_http_post.lua
index 6c20744..2410d20 100644
--- a/Mesures/humidity/solar-grafana/0_http_post.lua
+++ b/Mesures/humidity/solar-grafana/0_http_post.lua
@@ -1,13 +1,13 @@
 -- Petit script pour envoyer en // es valeurs sur un serveur WEB (InfluxDB)
 -- via un http POST à travers un FIFO
 
-if verbose then print("\n 0_http_post.lua   zf200524.1656   \n") end
+if verbose then print("\n 0_http_post.lua   zf200524.1915   \n") end
 
 t_zurl={}  t_zarg={} f_zpost=false
 
 function zpost()
     f_zpost=true  zurl=t_zurl[1]  zarg=t_zarg[1]
-    if verbose then print("zpost: "..ztime_format(rtctime.get())) end
+    if verbose then print("zpost: "..ztime_stamp()) end
     if verbose then print("zurl: "..zurl) end   if verbose then print("zarg: "..zarg) end
     
     http.post(zurl, 'Content-Type: application/x-www-form-urlencoded\r\n', zarg, function(code, data)
@@ -33,7 +33,7 @@ end
 
 
 function http_post(zurl,zarg)
-    if verbose then print("http_post: "..ztime_format(rtctime.get())) end
+    if verbose then print("http_post: "..ztime_stamp()) end
     table.insert(t_zurl, zurl)  table.insert(t_zarg, zarg)
     print("t_zurl:")  tprint(t_zurl)   print("t_zarg:")  tprint(t_zarg)
     if f_zpost==false then zpost() end
diff --git a/Mesures/humidity/solar-grafana/boot.lua b/Mesures/humidity/solar-grafana/boot.lua
index 0b63eff..e5c559c 100644
--- a/Mesures/humidity/solar-grafana/boot.lua
+++ b/Mesures/humidity/solar-grafana/boot.lua
@@ -1,6 +1,6 @@
 -- Scripts à charger après le boot pour démarrer son projet
 
-print("\n boot.lua zf200524.1712 \n")
+print("\n boot.lua zf200524.1922 \n")
 
 function boot()
     verbose = true
@@ -13,7 +13,7 @@ function boot()
 
     --f="0_tst3_socat.lua"   if file.exists(f) then dofile(f) end
     f="0_btn_flipflop.lua"   if file.exists(f) then dofile(f) end
-    --f="0_cron.lua"   if file.exists(f) then dofile(f) end
+    f="0_cron.lua"   if file.exists(f) then dofile(f) end
 
     --f = "web_ide2.lua"   if file.exists(f) then dofile(f) end
     
diff --git a/Mesures/humidity/solar-grafana/set_time.lua b/Mesures/humidity/solar-grafana/set_time.lua
index 4883c25..a3f027c 100644
--- a/Mesures/humidity/solar-grafana/set_time.lua
+++ b/Mesures/humidity/solar-grafana/set_time.lua
@@ -1,7 +1,7 @@
 -- Scripts pour régler l'horloge quand on est connecté en WIFI
 -- Permet aussi de 'compresser' le unix time afin de prendre moins de place dans les strings
 
-print("\n set_time.lua zf200524.1711 \n")
+print("\n set_time.lua zf200524.1914 \n")
 
 --source: https://www.freeformatter.com/epoch-timestamp-to-date-converter.html
 
@@ -24,6 +24,12 @@ function ztime_format(ztime)
     return(string.format("%04d/%02d/%02d %02d:%02d:%02d", tm["year"], tm["mon"], tm["day"], tm["hour"], tm["min"], tm["sec"]))
 end
 
+function ztime_stamp()
+    sec, usec = rtctime.get()   
+    return (ztime_format(sec).."."..usec)
+end
+
+
 set_time()
 
 tmr.create():alarm(2*1000,  tmr.ALARM_SINGLE, function()