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最初のArduino 試運転です!

https://blog.with2.net/link/?1965529

最初のArduino 試運転です!

https://blog.with2.net/link/?1965529

試運転の結果、色々と不具合が見つかりました。

クローラーの回転方向の間違いぐらいは可愛いのですが、走行中に距離センサーが変な値を検知してしまいます。

結局、センサーの高さが低すぎて地面の反射を拾っているようです。20㎜ほど高くすると改善されました。

つぎの問題はクローラの速度が遅いのです、単三2本で2.8Vぐらいの元電圧ですが、モーター直前で1.8V程度の落ちています。調べてみると使っているモータードライバーTA7291Pの内部降下であることが判明。

対策は電池を増やすことしかなさそうなので当面はこのままにします。

ということで、一応の完成品の姿です。

d0335326_14510052.jpg
d0335326_14492979.jpg


簡単なプログラム(前進、前方探知、障害物発見、一時停止、右旋回ふたたび前進)を組んで、試験走行です。
当たり前ですがプログラム通りに走行しています。
それにしても遅いです。
一応、ハードに問題はないことが解りましたので、プログラムを工夫して色々な動きをさせてみることにします。
改善点は、
①速度アップ(電池追加)
②車体カバーをつけてみたい

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