private knowhow
| Revisão | 7bb5a336293a7df680fab7e044882178d2f4f770 (tree) |
|---|---|
| Hora | 2014-10-07 06:54:46 |
| Autor |  oga <hyperoga@gmai...> |
| Commiter | oga |
update raspberry.txt
raspberry.txt (diff)| @@ -87,13 +87,20 @@ root@raspberrypi:~# pdbedit -a -u pi | ||
| 87 | 87 | SoC 温度 |
| 88 | 88 | $ cat /sys/class/thermal/thermal_zone0/temp |
| 89 | 89 | 41160 (41.16℃?) |
| 90 | + | |
| 90 | 91 | SoC クロック |
| 91 | 92 | $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq |
| 92 | 93 | 700000 (KHz) |
| 94 | + | |
| 93 | 95 | SDアクセスLED |
| 94 | 96 | $ echo 1 > /sys/class/leds/led0/brightness (点灯) |
| 95 | 97 | $ echo 0 > /sys/class/leds/led0/brightness (消灯) |
| 96 | 98 | |
| 99 | + DS18B20 温度センサー | |
| 100 | + # modprobe w1-gpio | |
| 101 | + # modprobe w1-therm | |
| 102 | + $ cat /sys/bus/w1/devices/28-00000647ecf9/w1_slave | |
| 103 | + | |
| 97 | 104 | 19. 消費電力 |
| 98 | 105 | LANケーブルなし : 5V/0.33A = 1.65w |
| 99 | 106 | LANケーブル接続 : 5V/0.38A = 1.90w |
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