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View Code? Open in Web Editor NEWarduino code for project slowbush
arduino code for project slowbush
目前 slowbush 啟動時漆包線晃動的幅度太小了,這讓整個詭異的扭動必須要靠很近才能看清楚。
目前安裝振動馬達的鐵絲 [1] 太長,尾端 [2] 也太重了,導致它的共振頻率遠低於振動馬達的轉速,
導致啟動時整束漆包線絲的振動幅度都很小。
這個問題或可藉由縮短鐵絲,或設計一個能自由調整鐵絲長度的機構來改善。
舉凡是有彈性的東西,一把塑膠尺、一個彈簧秤、都有自己的自然振動頻率,
這個振動頻率會因為彈力強度 [3] 越強而越高,也會因振動物的質量越大而越低,
如果把一個振動源綁在這個有彈性的東西上,那能量傳遞地最強烈的情況,
就是震動頻率與那個彈性物的自然頻率接近的狀況。
slowbush 這個專案裡的 LED 燈只有閃爍頻率應該能夠調整,燈光強度的變化是個 bug。
燈光強度會在調整頻率時變化有許多種可能,例如
要檢測種種可能性最重要的是:
對電路正常運作時各處該看到的訊號有完整的了解:電晶體的輸入端該看到什麼訊號?電源波形應該是什麼樣子?LED 的跨壓應該是長什麼樣子?
有適當的工具去檢測:沒有商用示波器的話也要有個 arduino + processing 做的簡單示波器
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