1.1 Binary file battery.log has changed

     2.1 Binary file daily/loradtn-2017-02-21.png has changed

     3.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.2 +++ b/daily/loradtn-2017-02-22.gpl	Wed Feb 22 14:56:35 2017 +0000
     3.3 @@ -0,0 +1,75 @@
     3.4 +# set term postscript eps color solid blacktext "Helvetica" 14
     3.5 +# set output 'loradtn.eps'
     3.6 +# set size 4,4
     3.7 +
     3.8 +set terminal png nocrop enhanced size 1024,768
     3.9 +set output 'loradtn-2017-02-22.png'
    3.10 +
    3.11 +set datafile separator ","
    3.12 +set xdata time
    3.13 +set timefmt "%Y-%m-%d %H:%M:%S"
    3.14 +
    3.15 +os='2017-02-22 11:00:00'
    3.16 +oe='2017-02-22 16:00:00'
    3.17 +#os='2017-01-24 14:00:00'
    3.18 +#oe='2017-01-25 13:00:00'
    3.19 +
    3.20 +set title "Loradtn power (Mech. Eng. roof)"
    3.21 +set key below 
    3.22 +
    3.23 +r1=1700
    3.24 +r2=1800
    3.25 +r3=1900
    3.26 +r4=2000
    3.27 +
    3.28 +nospike=0
    3.29 +spike=1
    3.30 +newdata=2
    3.31 +
    3.32 +set xrange [os:oe]
    3.33 +set yrange [1500:19000]
    3.34 +set y2range [-6000:8000]
    3.35 +
    3.36 +set ylabel "mV"
    3.37 +set y2label "mA"
    3.38 +set ytics nomirror
    3.39 +
    3.40 +set ytics (\
    3.41 +"OVERRIDE" 5000,\
    3.42 +"UP" 4500,\
    3.43 +"STBYSHORT" 4000,\
    3.44 +"STBYLONG" 3500,\
    3.45 +"SLEEP" 3000,\
    3.46 +"OFF" 2500,\
    3.47 +"14500" 14500,\
    3.48 +"14000" 14000,\
    3.49 +"13500" 13500,\
    3.50 +"13000" 13000,\
    3.51 +"12500" 12500,\
    3.52 +"12000" 12000,\
    3.53 +"11500" 11500,\
    3.54 +"11000" 11000,\
    3.55 +"spike" 10050)
    3.56 +
    3.57 +set y2tics ( 4000, 3500, 3000, 2500, 2000, 1500, 1000, 500, 0, -500, -1000, "spike" -2000 )
    3.58 +
    3.59 +
    3.60 +set style arrow 1 nohead ls 1 lt 3
    3.61 +set style arrow 2 nohead ls 2
    3.62 +set style arrow 3 nohead lc rgb "green"
    3.63 +set style arrow 4 nohead lc rgb "red"
    3.64 +
    3.65 +# some horizontal lines to help
    3.66 +set arrow from os,12000 to oe,12000 as 1
    3.67 +set arrow from os,11450 to oe,11450 as 3
    3.68 +set arrow from os,11300 to oe,11300 as 4
    3.69 +set arrow from os,second 1000 to oe,second 1000 as 2
    3.70 +set arrow from os,second 0 to oe,second 0 as 2
    3.71 +set arrow from os,second -1000 to oe,second -1000 as 2
    3.72 +
    3.73 +set pointsize 10
    3.74 +
    3.75 +plot 'sedded-battery.log' using 1: ( ($2 == r1 && $7 != newdata) ? ( ( ($7 == spike) ? 10050 : (10 * $4) ) ) : 1/0 ) axes x1y1 title "mV" with points ps 1, \
    3.76 +     'sedded-battery.log' using 1: ( ($2 == r1 && $7 != newdata) ? ( ( ($7 == spike) ?   -2000 :       $5  ) ) : 1/0 ) axes x1y2 title "mA" with points ps 1, \
    3.77 +     'sedded-battery.log' using 1: ( ($2 == r1) ? (2000 + $6) : 1/0 ) axes x1y1 title "state" with step
    3.78 +

     4.1 Binary file daily/loradtn-2017-02-22.png has changed

     5.1 Binary file loradtn.png has changed

     6.1 --- a/notes.txt	Tue Feb 21 11:34:34 2017 +0000
     6.2 +++ b/notes.txt	Wed Feb 22 14:56:35 2017 +0000
     6.3 @@ -83,3 +83,7 @@
     6.4             Meanwhile no sun today, so node will likely go
     6.5             to sleep in an hour or so (now @12.27V and drawing
     6.6             0.9A) 
     6.7 +20170222 - seems like there is some browning out happening,
     6.8 +           today and on the 18th - might be the higher load
     6.9 +           means that the thresholds aren't right for this
    6.10 +           setup with voltage is marginal (e.g. 11.5V)

     7.1 --- a/sedded-battery.log	Tue Feb 21 11:34:34 2017 +0000
     7.2 +++ b/sedded-battery.log	Wed Feb 22 14:56:35 2017 +0000
     7.3 @@ -5328,3 +5328,216 @@
     7.4  2017-02-21 11:29:06,1700,pbmd,1189,-693,2500,0
     7.5  2017-02-21 11:30:16,1700,pbmd,1187,-712,2500,0
     7.6  2017-02-21 11:31:25,1700,pbmd,1184,-656,2500,0
     7.7 +2017-02-21 11:32:34,1700,pbmd,1180,-693,2500,0
     7.8 +2017-02-21 11:33:43,1700,pbmd,1180,-693,2500,0
     7.9 +2017-02-21 11:34:52,1700,pbmd,1184,-490,2500,0
    7.10 +2017-02-21 11:36:01,1700,pbmd,1180,-545,2500,0
    7.11 +2017-02-21 11:37:10,1700,pbmd,1183,-693,2500,0
    7.12 +2017-02-21 11:38:19,1700,pbmd,1184,-434,2500,0
    7.13 +2017-02-21 11:39:28,1700,pbmd,1193,-527,2500,0
    7.14 +2017-02-21 11:40:37,1700,pbmd,1193,-508,2500,0
    7.15 +2017-02-21 11:41:46,1700,pbmd,1180,-564,2500,0
    7.16 +2017-02-21 11:42:55,1700,pbmd,1167,-693,2500,0
    7.17 +2017-02-21 11:44:04,1700,pbmd,1168,-564,2500,0
    7.18 +2017-02-21 11:45:13,1700,pbmd,1193,-379,2500,0
    7.19 +2017-02-21 11:46:22,1700,pbmd,1174,-564,2500,0
    7.20 +2017-02-21 11:47:31,1700,pbmd,1152,-638,2500,0
    7.21 +2017-02-21 11:48:40,1700,pbmd,1133,-749,1500,0
    7.22 +2017-02-21 14:50:23,1700,pbmd,1244,-749,2500,0
    7.23 +2017-02-21 14:51:32,1700,pbmd,1232,-971,2500,0
    7.24 +2017-02-21 14:52:41,1700,pbmd,1230,-952,2500,0
    7.25 +2017-02-21 14:53:50,1700,pbmd,1227,-952,2500,0
    7.26 +2017-02-21 14:54:59,1700,pbmd,1225,-952,2500,0
    7.27 +2017-02-21 14:56:09,1700,pbmd,1221,-989,2500,0
    7.28 +2017-02-21 14:57:18,1700,pbmd,1218,-878,2500,0
    7.29 +2017-02-21 14:58:27,1700,pbmd,1206,-934,2500,0
    7.30 +2017-02-21 14:59:36,1700,pbmd,1196,-915,2500,0
    7.31 +2017-02-21 15:00:45,1700,pbmd,1194,-971,2500,0
    7.32 +2017-02-21 15:01:54,1700,pbmd,1189,-897,2500,0
    7.33 +2017-02-21 15:03:03,1700,pbmd,1187,-934,2500,0
    7.34 +2017-02-21 15:04:12,1700,pbmd,1187,-841,2500,0
    7.35 +2017-02-21 15:05:21,1700,pbmd,1184,-897,2500,0
    7.36 +2017-02-21 15:06:30,1700,pbmd,1178,-897,2500,0
    7.37 +2017-02-21 15:07:39,1700,pbmd,1174,-897,2500,0
    7.38 +2017-02-21 15:08:48,1700,pbmd,1174,-952,2500,0
    7.39 +2017-02-21 15:09:57,1700,pbmd,1164,-897,2500,0
    7.40 +2017-02-21 15:11:06,1700,pbmd,1150,-952,2500,0
    7.41 +2017-02-21 15:12:15,1700,pbmd,1139,-971,2000,0
    7.42 +2017-02-21 15:43:58,1700,pbmd,1168,-786,2500,0
    7.43 +2017-02-21 15:45:07,1700,pbmd,1152,-1008,2500,0
    7.44 +2017-02-22 09:28:10,1700,pbmd,1221,-638,3000,0
    7.45 +2017-02-22 09:29:19,1700,pbmd,1175,-749,1000,0
    7.46 +2017-02-22 11:02:40,1700,pbmd,1291,64,2500,0
    7.47 +2017-02-22 11:03:49,1700,pbmd,1278,-231,2500,0
    7.48 +2017-02-22 11:04:58,1700,pbmd,1275,-175,2500,0
    7.49 +2017-02-22 11:06:08,1700,pbmd,1275,-138,2500,0
    7.50 +2017-02-22 11:07:17,1700,pbmd,1279,-64,2500,0
    7.51 +2017-02-22 11:08:26,1700,pbmd,1275,-64,2500,0
    7.52 +2017-02-22 11:09:35,1700,pbmd,1272,-64,2500,0
    7.53 +2017-02-22 11:10:44,1700,pbmd,1271,-101,2500,0
    7.54 +2017-02-22 11:11:53,1700,pbmd,1268,-305,2500,0
    7.55 +2017-02-22 11:13:02,1700,pbmd,1266,-360,2500,0
    7.56 +2017-02-22 11:14:11,1700,pbmd,1265,-286,2500,0
    7.57 +2017-02-22 11:15:20,1700,pbmd,1271,-157,2500,0
    7.58 +2017-02-22 11:16:29,1700,pbmd,1268,-120,2500,0
    7.59 +2017-02-22 11:17:38,1700,pbmd,1272,120,2500,0
    7.60 +2017-02-22 11:18:47,1700,pbmd,1271,138,2500,0
    7.61 +2017-02-22 11:19:56,1700,pbmd,1276,231,2500,0
    7.62 +2017-02-22 11:21:05,1700,pbmd,1276,157,2500,0
    7.63 +2017-02-22 11:22:14,1700,pbmd,1269,-27,2500,0
    7.64 +2017-02-22 11:23:23,1700,pbmd,1268,-231,2500,0
    7.65 +2017-02-22 11:24:32,1700,pbmd,1263,-157,2500,0
    7.66 +2017-02-22 11:25:41,1700,pbmd,1266,-231,2500,0
    7.67 +2017-02-22 11:26:50,1700,pbmd,1259,-268,2500,0
    7.68 +2017-02-22 11:27:59,1700,pbmd,1253,-342,2500,0
    7.69 +2017-02-22 11:29:08,1700,pbmd,1259,-249,2500,0
    7.70 +2017-02-22 11:30:17,1700,pbmd,1259,-249,2500,0
    7.71 +2017-02-22 11:31:26,1700,pbmd,1257,-305,2500,0
    7.72 +2017-02-22 11:32:35,1700,pbmd,1256,-453,2500,0
    7.73 +2017-02-22 11:33:44,1700,pbmd,1253,-527,2500,0
    7.74 +2017-02-22 11:34:53,1700,pbmd,1253,-582,2500,0
    7.75 +2017-02-22 11:36:02,1700,pbmd,1247,-619,2500,0
    7.76 +2017-02-22 11:37:11,1700,pbmd,1252,-619,2500,0
    7.77 +2017-02-22 11:38:21,1700,pbmd,1247,-601,2500,0
    7.78 +2017-02-22 11:39:30,1700,pbmd,1243,-675,2500,0
    7.79 +2017-02-22 11:40:39,1700,pbmd,1243,-638,2500,0
    7.80 +2017-02-22 11:41:48,1700,pbmd,1243,-601,2500,0
    7.81 +2017-02-22 11:42:57,1700,pbmd,1243,-619,2500,0
    7.82 +2017-02-22 11:44:06,1700,pbmd,1241,-601,2500,0
    7.83 +2017-02-22 11:45:15,1700,pbmd,1244,-656,2500,0
    7.84 +2017-02-22 11:46:24,1700,pbmd,1241,-619,2500,0
    7.85 +2017-02-22 11:47:33,1700,pbmd,1241,-601,2500,0
    7.86 +2017-02-22 11:48:42,1700,pbmd,1244,-619,2500,0
    7.87 +2017-02-22 11:49:51,1700,pbmd,1238,-601,2500,0
    7.88 +2017-02-22 11:51:00,1700,pbmd,1238,-656,2500,0
    7.89 +2017-02-22 11:52:09,1700,pbmd,1240,-638,2500,0
    7.90 +2017-02-22 11:53:18,1700,pbmd,1238,-638,2500,0
    7.91 +2017-02-22 11:54:27,1700,pbmd,1240,-545,2500,0
    7.92 +2017-02-22 11:55:36,1700,pbmd,1238,-434,2500,0
    7.93 +2017-02-22 11:56:45,1700,pbmd,1235,-379,2500,0
    7.94 +2017-02-22 11:57:54,1700,pbmd,1234,-416,2500,0
    7.95 +2017-02-22 11:59:03,1700,pbmd,1234,-675,2500,0
    7.96 +2017-02-22 12:00:12,1700,pbmd,1238,-416,2500,0
    7.97 +2017-02-22 12:01:21,1700,pbmd,1234,-323,2500,0
    7.98 +2017-02-22 12:02:30,1700,pbmd,1240,-231,2500,0
    7.99 +2017-02-22 12:03:39,1700,pbmd,1244,-323,2500,0
   7.100 +2017-02-22 12:04:48,1700,pbmd,1250,-27,2500,0
   7.101 +2017-02-22 12:05:57,1700,pbmd,1247,27,2500,0
   7.102 +2017-02-22 12:07:06,1700,pbmd,1250,-231,2500,0
   7.103 +2017-02-22 12:08:15,1700,pbmd,1241,-212,2500,0
   7.104 +2017-02-22 12:09:25,1700,pbmd,1243,-157,2500,0
   7.105 +2017-02-22 12:10:34,1700,pbmd,1243,-83,2500,0
   7.106 +2017-02-22 12:11:43,1700,pbmd,1250,9,2500,0
   7.107 +2017-02-22 12:12:52,1700,pbmd,1247,46,2500,0
   7.108 +2017-02-22 12:14:01,1700,pbmd,1244,-101,2500,0
   7.109 +2017-02-22 12:15:10,1700,pbmd,1243,-231,2500,0
   7.110 +2017-02-22 12:16:19,1700,pbmd,1241,-212,2500,0
   7.111 +2017-02-22 12:17:28,1700,pbmd,1241,-175,2500,0
   7.112 +2017-02-22 12:18:37,1700,pbmd,1240,-212,2500,0
   7.113 +2017-02-22 12:19:46,1700,pbmd,1241,-490,2500,0
   7.114 +2017-02-22 12:20:55,1700,pbmd,1243,-157,2500,0
   7.115 +2017-02-22 12:22:04,1700,pbmd,1244,-194,2500,0
   7.116 +2017-02-22 12:23:13,1700,pbmd,1243,-46,2500,0
   7.117 +2017-02-22 12:24:22,1700,pbmd,1243,-101,2500,0
   7.118 +2017-02-22 12:25:31,1700,pbmd,1241,-120,2500,0
   7.119 +2017-02-22 12:26:40,1700,pbmd,1241,-305,2500,0
   7.120 +2017-02-22 12:27:49,1700,pbmd,1241,-249,2500,0
   7.121 +2017-02-22 12:28:58,1700,pbmd,1238,-305,2500,0
   7.122 +2017-02-22 12:30:07,1700,pbmd,1235,-379,2500,0
   7.123 +2017-02-22 12:31:16,1700,pbmd,1234,-397,2500,0
   7.124 +2017-02-22 12:32:25,1700,pbmd,1232,-397,2500,0
   7.125 +2017-02-22 12:33:34,1700,pbmd,1232,-471,2500,0
   7.126 +2017-02-22 12:34:43,1700,pbmd,1231,-490,2500,0
   7.127 +2017-02-22 12:35:52,1700,pbmd,1231,-730,2500,0
   7.128 +2017-02-22 12:37:01,1700,pbmd,1235,-527,2500,0
   7.129 +2017-02-22 12:38:10,1700,pbmd,1228,-601,2500,0
   7.130 +2017-02-22 12:39:19,1700,pbmd,1231,-619,2500,0
   7.131 +2017-02-22 12:40:28,1700,pbmd,1225,-582,2500,0
   7.132 +2017-02-22 12:41:38,1700,pbmd,1227,-564,2500,0
   7.133 +2017-02-22 12:42:47,1700,pbmd,1225,-582,2500,0
   7.134 +2017-02-22 12:43:56,1700,pbmd,1224,-601,2500,0
   7.135 +2017-02-22 12:45:05,1700,pbmd,1222,-527,2500,0
   7.136 +2017-02-22 12:46:14,1700,pbmd,1219,-527,2500,0
   7.137 +2017-02-22 12:47:23,1700,pbmd,1215,-527,2500,0
   7.138 +2017-02-22 12:48:32,1700,pbmd,1210,-527,2500,0
   7.139 +2017-02-22 12:49:41,1700,pbmd,1213,-638,2500,0
   7.140 +2017-02-22 12:50:50,1700,pbmd,1218,-379,2500,0
   7.141 +2017-02-22 12:51:59,1700,pbmd,1221,-323,2500,0
   7.142 +2017-02-22 12:53:08,1700,pbmd,1213,-434,2500,0
   7.143 +2017-02-22 12:54:17,1700,pbmd,1216,-508,2500,0
   7.144 +2017-02-22 12:55:26,1700,pbmd,1212,-416,2500,0
   7.145 +2017-02-22 12:56:35,1700,pbmd,1216,-212,2500,0
   7.146 +2017-02-22 12:57:44,1700,pbmd,1221,-157,2500,0
   7.147 +2017-02-22 12:58:53,1700,pbmd,1227,-83,2500,0
   7.148 +2017-02-22 13:00:02,1700,pbmd,1212,-379,2500,0
   7.149 +2017-02-22 13:01:11,1700,pbmd,1230,9,2500,0
   7.150 +2017-02-22 13:02:20,1700,pbmd,1235,101,2500,0
   7.151 +2017-02-22 13:03:29,1700,pbmd,1215,-453,2500,0
   7.152 +2017-02-22 13:04:38,1700,pbmd,1206,-471,2500,0
   7.153 +2017-02-22 13:05:47,1700,pbmd,1210,-397,2500,0
   7.154 +2017-02-22 13:06:56,1700,pbmd,1196,-471,2500,0
   7.155 +2017-02-22 13:08:05,1700,pbmd,1186,-675,2500,0
   7.156 +2017-02-22 13:09:14,1700,pbmd,1189,-379,2500,0
   7.157 +2017-02-22 13:10:23,1700,pbmd,1208,-120,2500,0
   7.158 +2017-02-22 13:11:32,1700,pbmd,1237,286,2500,0
   7.159 +2017-02-22 13:12:41,1700,pbmd,1243,-83,2500,0
   7.160 +2017-02-22 13:13:51,1700,pbmd,1246,-286,2500,0
   7.161 +2017-02-22 13:15:00,1700,pbmd,1243,342,2500,0
   7.162 +2017-02-22 13:16:09,1700,pbmd,1237,27,2500,0
   7.163 +2017-02-22 13:17:18,1700,pbmd,1196,-601,2500,0
   7.164 +2017-02-22 13:18:27,1700,pbmd,1191,-508,2500,0
   7.165 +2017-02-22 13:19:36,1700,pbmd,1231,434,2500,0
   7.166 +2017-02-22 13:20:45,1700,pbmd,1263,656,2500,0
   7.167 +2017-02-22 13:21:54,1700,pbmd,1279,564,2500,0
   7.168 +2017-02-22 13:23:03,1700,pbmd,1281,786,2500,0
   7.169 +2017-02-22 13:24:12,1700,pbmd,1272,730,2500,0
   7.170 +2017-02-22 13:25:21,1700,pbmd,1272,693,2500,0
   7.171 +2017-02-22 13:26:30,1700,pbmd,1279,305,2500,0
   7.172 +2017-02-22 13:27:39,1700,pbmd,1246,-323,2500,0
   7.173 +2017-02-22 13:28:48,1700,pbmd,1228,-453,2500,0
   7.174 +2017-02-22 13:29:57,1700,pbmd,1222,-508,2500,0
   7.175 +2017-02-22 13:31:06,1700,pbmd,1224,-305,2500,0
   7.176 +2017-02-22 13:32:15,1700,pbmd,1193,-749,2500,0
   7.177 +2017-02-22 13:33:24,1700,pbmd,1181,-804,2500,0
   7.178 +2017-02-22 13:34:33,1700,pbmd,1171,-841,2500,0
   7.179 +2017-02-22 13:35:42,1700,pbmd,1174,-823,2500,0
   7.180 +2017-02-22 13:36:51,1700,pbmd,1175,-786,2500,0
   7.181 +2017-02-22 13:38:00,1700,pbmd,1178,-749,2500,0
   7.182 +2017-02-22 13:39:09,1700,pbmd,1172,-712,2500,0
   7.183 +2017-02-22 13:40:18,1700,pbmd,1171,-749,2500,0
   7.184 +2017-02-22 13:41:27,1700,pbmd,1178,-656,2500,0
   7.185 +2017-02-22 13:42:36,1700,pbmd,1169,-767,2500,0
   7.186 +2017-02-22 13:43:45,1700,pbmd,1161,-767,2500,0
   7.187 +2017-02-22 13:44:55,1700,pbmd,1149,-878,2500,0
   7.188 +2017-02-22 13:46:04,1700,pbmd,1159,-767,2500,0
   7.189 +2017-02-22 13:47:13,1700,pbmd,1159,-656,2500,0
   7.190 +2017-02-22 13:48:22,1700,pbmd,1150,-675,2500,0
   7.191 +2017-02-22 13:59:28,1700,pbmd,1244,27,3000,0
   7.192 +2017-02-22 14:00:37,1700,pbmd,1227,-305,3000,0
   7.193 +2017-02-22 14:01:46,1700,pbmd,1171,-860,3000,0
   7.194 +2017-02-22 14:02:55,1700,pbmd,1172,-767,3000,0
   7.195 +2017-02-22 14:04:04,1700,pbmd,1169,-841,3000,0
   7.196 +2017-02-22 14:05:13,1700,pbmd,1153,-804,3000,0
   7.197 +2017-02-22 14:11:52,1700,pbmd,1257,268,3000,1
   7.198 +2017-02-22 14:13:01,1700,pbmd,1222,-360,3000,0
   7.199 +2017-02-22 14:14:10,1700,pbmd,1216,-508,3000,0
   7.200 +2017-02-22 14:15:19,1700,pbmd,1194,-453,3000,0
   7.201 +2017-02-22 14:16:28,1700,pbmd,1209,-64,3000,0
   7.202 +2017-02-22 14:17:37,1700,pbmd,1243,-157,3000,0
   7.203 +2017-02-22 14:18:46,1700,pbmd,1190,-194,3000,0
   7.204 +2017-02-22 14:19:55,1700,pbmd,1212,-231,3000,0
   7.205 +2017-02-22 14:21:04,1700,pbmd,1210,-342,3000,0
   7.206 +2017-02-22 14:22:13,1700,pbmd,1164,434,3000,0
   7.207 +2017-02-22 14:23:23,1700,pbmd,1164,1637,3000,1
   7.208 +2017-02-22 14:24:32,1700,pbmd,1184,-305,3000,0
   7.209 +2017-02-22 14:25:41,1700,pbmd,1172,-453,3000,0
   7.210 +2017-02-22 14:26:50,1700,pbmd,1158,-545,3000,0
   7.211 +2017-02-22 14:27:59,1700,pbmd,1189,934,3000,0
   7.212 +2017-02-22 14:29:08,1700,pbmd,1189,360,3000,1
   7.213 +2017-02-22 14:30:17,1700,pbmd,1190,-416,3000,0
   7.214 +2017-02-22 14:31:26,1700,pbmd,1161,-527,3000,0
   7.215 +2017-02-22 14:32:35,1700,pbmd,1183,-231,3000,0
   7.216 +2017-02-22 14:33:44,1700,pbmd,1189,-527,3000,0
   7.217 +2017-02-22 14:34:53,1700,pbmd,1159,-508,2500,0
   7.218 +2017-02-22 14:38:12,1700,pbmd,1172,-434,3000,1
   7.219 +2017-02-22 14:43:34,1700,pbmd,1241,434,3000,0