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SEEED STUDIOのGrovePi用のサンプルコードを和訳したGist一覧です。
#!/usr/bin/env python
# Grove 水分センサー(土壌センサー) モジュールのGrovePiサンプル
# ( http://wiki.seeed.cc/Grove-Moisture_Sensor/ )
# GrovePiは、RaspberryPiとGroveセンサーをつなげます。GrovePiの詳細はここで知ることができます: http://www.dexterindustries.com/GrovePi
# サンプルに関しての質問がありますか?このフォーラム(英語)で聞いてみてください: http://forum.dexterindustries.com/c/grovepi
#
'''
## ライセンス
The MIT License (MIT)
GrovePi for the Raspberry Pi: an open source platform for connecting Grove Sensors to the Raspberry Pi.
Copyright (C) 2015 Dexter Industries
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
'''
# メモ:
# Wikiでは下記センサー値(検出値)を提案しています:
# 最小値 平均値 最大値 状態
# 0 0 0 外気にさらした状態
# 0 20 300 乾燥した土壌
# 300 580 700 湿った土壌
# 700 940 950 水に浸けた状態
#
# 実際の観測での検出値:
# 値 状態
# 0 外気にさらした状態
# 18 乾燥した土壌
# 425 湿った土壌
# 90 水に浸けた状態
import time
import grovepi
# GROVE - 水分センサー(土壌センサー)をアナログ A0 ポートに接続します
# SIG,NC,VCC,GND
sensor = 0
while True:
try:
print(grovepi.analogRead(sensor))
time.sleep(.5)
except KeyboardInterrupt:
break
except IOError:
print ("Error")
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