[No.15]やっぱり忘れるから自動水やり機!
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/2JHjyWTRWpsLoCJYmiBx0.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=TmDCfEhnq3F%2Bvr2hLvUJPXWMbW8%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
前回、水やり警告システムを作ったのですが、警告してもやっぱり水やりを忘れてしまう人がいたら……。いっそ、SPACEBLOCKで自動水やり機を開発してしまいましょう! 「土壌水分センサモジュール」で水分量をチェックして、足りなければ水やりをスタート。十分な水分になったら自動的に止めます。「180°マイクロサーボモーター」を使いますよ。
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/rO9A1ZecUiZaoadk-WYwH.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=u%2BmrZNcpVUaFHc%2BQB3Dw8p6K%2F%2FM%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
必要なもの&準備
- SPACEBLOCK通常パッケージ[SPACEBLOCK本体、USBケーブル、電池ボックス]
- 土壌水分センサモジュール(土壌水分センサ)
- 8×8 RGB LEDマトリックスパネル(LEDパネル)
- 180°マイクロサーボモーター(サーボモーター)
- ジャンパーワイヤ[ピンヘッダ-ピンソケット3本×延長したい数]
- プログラミングをするパソコン
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/l7ZHp5a_AUy-aQhwzuJlV.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=MImW6XtzKnJJYE%2FXIsyWhkrdDBE%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
SPACEBLOCKに拡張パーツを接続する
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/g7idGX_UjooFAy-pgpGWs.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=bH69myG6HJ9GO8PmDEp8YqKZEPs%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/-eZPxtBGzYFcWsCJ6Gh6Z.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=hRcSn6L86lkO2vGrpDNIYi4ubr0%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
水やりをする仕組みを作る!
今回出力装置として使うサーボモーターは、0°から180°まで回転させる動きができます。これを使って水をまく仕組みを考えてみました。
小さめのペットボトルの一方向にだけ穴をあけ、水をボトルの半分ほど入れ横に倒します。穴が上部に向いているときは水が出ませんが、くるりと回転させて穴が下部にくると水が落ちるという仕組みです。ペットボトルキャップにサーボホーンを接着して、サーボモーターの角度をプログラムで操作してペットボトルを回転させます。
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/oNxlRzyPxM25TzZvAloia.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=LtMv6zPvjh5qwcAH%2B2EsgYHmwQo%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/kPf08CMw2ys0wL1BDQniS.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=tQxgbADiJiUUh7A5oAE1d86dTzg%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
サーボモーター側だけでは水やり用のペットボトルを支えられませんから、反対側を支えてあげる必要があります。ひとまわり大きなペットボトルを利用して、回転を妨げない支えを作り、支柱に固定しました。
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/BydlngE32ekPsEY_BzAbQ.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=u%2FYPvPixih11NU%2Bmj4ttMb0SjUo%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/Ih4PjYlpiYc6B8Qfp7x5P.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=UJvGCNFg4OQZZ26BHcMleZyiiIY%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/ATIyCVrePx91E2aaghTVz.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=TSczKIOA43%2F045fYLUI2o8K11Jw%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
見本では支柱に大容量の水のペットボトルを使ったため、いっけん給水しているかのように見えるかもしれませんが、単なる支柱で給水する仕組みはありません。水やり用のペットボトルは簡単に外せますから、水がなくなったらまた水をいれてセットしましょう。
自動で水やりをするプログラムを作ろう!
[繰り返す]の内側にさらに[もし《 》なら繰り返す]があることと、変数「water」に土壌水分センサの値を入れるタイミングに注目してください。
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/aDqzEN3_Fd08T5z9bn8Z7.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=xglVMSg07gbagUELCTUVOPc%2BRz8%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
スタンドアローンモードで動かしてみましょう。
水分が十分なら動作しません。
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/q-u69ynu3DvHqLC00oIPX.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=wQwQtYe9N7DkDAE5XBTdq7J4ly8%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
![](https://s3.ap-northeast-1.amazonaws.com/spaceblock.jp-storage/inquiries/2024-03-26/uiq9SG19QaficNl0j-tm8.png?AWSAccessKeyId=ASIAZZVIWFLR7Z3GIIYZ&Expires=1722074912&Signature=p%2BciizQD0h%2Bbn9WlSvIe2xzpV18%3D&x-amz-security-token=IQoJb3JpZ2luX2VjEBAaDmFwLW5vcnRoZWFzdC0xIkYwRAIgPlbze46kz7L6OLiGEbhDYt3HGSv3Q%2FOEW4uBTBKAbp0CIBNCxUw0amTTNaYCIy6ue%2BhEGBSHnxUlP0KRRYaCvgZqKp0DCOn%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQARoMNjczNTg5ODk3OTU1Igy2DJJkwQIAFJKfoJ4q8QKwsPMnPvzgRkHlP%2FsxPEWtZAgPMp%2BrSrCKW8D7DUqEisCyEhuS%2FLs91ZL9rAR%2FTRa%2BfACQHnM30zMZlYG4jhm0bJXKNtIp4yrAYVgux4fDO9Xb1DuwhSfaEhnGOy1aZSMNkuYKHw8UDRlFi2U7pAe7fwag0TjH8E2WxLiyWXvrQ1ZoMayH5rQn6Kstoq6jOVlX1%2FcXO%2FtbPwQ4QDm670Hf0Spvv3ao25lw146V2EJvcbFCeAeV4xx181Ub97BV0sR9IchPCEdkiw4vEsRiaomxeOqDo94rtgxFnFtY8TqtBZUVZRRhERjGtE8V9IpeMCo0pSZ3UdR5KWIL4YgwS2AqConVmpgmSIIrOsv17KfbdmoSIWiwyqiplnSLyrIk%2Bo7jcyMDTQj7ppSsozEO%2FRrw0m71aGOWn%2FjNugKojTv33RoY%2BxwvzLgzL3%2FrumP5XDIr66HFjm%2F3SqofSLG5ES7Q6pri4OdTJg2%2F3Ted6P4njO4wydSStQY6ngE3iS22oObuosz1ftpACRFjG1MNk0qYrglgZdnUK6y27Th21WG5NdvmO7Q6G525tdKA1funf6538tN93Mo5VoHprEvQM3S7C0dDBz8PRsJ9WB2%2Fj5IUuLNjFnv7S0HlS%2B%2FG8q6TdfIXNFzTeswbI9lEdcHMwrYA94XWebuulTg6AdLNDEuuiI9KV6YW3Y0wzyzMs2fNqQMks%2Bi0Eo14bQ%3D%3D)
セッティングによって土壌水分センサはけっこうぬれますので、前回記事で紹介したとおり防水対策をしてくださいね。また、穴の開け方で水の出方はけっこう変わりますのでいろいろなパターンを試してみてください。
動画で見てみましょう。
動画では、電池ボックスの電源を入れてからSPACEBLOCKが起動してプログラムが動き出しています。土壌水分が判定され水分量が足りない状態だったので、自動水やり装置が動き始めたのです。
土壌水分センサでチェックした値をもとにサーボモーターを動作させることで、こんなに立派な装置が出来上がりました。
これで、「もう水やりを忘れない!」から問題解決レベルが一段階上がって、「もう水やりしなくても大丈夫!」になりました。これなら旅行中の水やりも安心ですね!
サーボモーター1個を動かすだけで、工夫次第でいろいろな仕組みが作れますから、皆さんもぜひ身の回りの困ったことを解決する発明品を作ってみてください!!