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遙控車改造

把玩具銀行待修的遙控車用壞掉的遙控直升機零件改裝

損毀玩具一套

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葉片斷掉的直昇機

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主結構體

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整個動力是靠前後兩顆馬達，一個帶動上層葉片另一個帶動下層葉片，透過這樣設計去做到左右轉（這部分會需要再實測修正）

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拆下來的接線狀態

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接收器和充電連接器的一面，接收器下方白色連接器是充電接頭

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接收端硬體看起來只能控制兩個馬達，其他部分要測試才知道，另外要拆遙控器，看看接線事不是就只有兩個搖桿或是兩個按鈕也有功能

遙控器上電路板照片

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另一面，前方左右按鍵有接線，應該會有功能
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收到鴻旗寄來的小車三台

三台車車各自狀態

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小銀車電池區域已經因為電池漏液腐蝕
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控制板看起來還好，不過應該會換掉
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黑輪花車

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電路板插電面
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另一面擺放IC的部分，這台應該是用紅外線的遙控器
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白輪大車
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上蓋拆下
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轉向機構固定蓋
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轉向機構
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後輪驅動部份
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Joe推薦馬達驅動板
https://atceiling.blogspot.com/2020/12/arduino100tb6612fngn20.html
https://swf.com.tw/?p=1066
用3.3v pro mini 取代
https://www.taiwaniot.com.tw/product/arduino-pro-mini-328-3-3v8mhz-sparkfun-原廠進口-複製/
大柚子老師用的HC12, 長距離要用低baudrate
https://www.elecrow.com/download/HC-12.pdf

Joe推薦加電感在馬達前面，避免馬達瞬間啟動的時候把系統電壓拉低
https://www.amobbs.com/thread-3668397-1-1.html
馬達前面也可以加 RC吸收器
https://techweb.rohm.com.tw/knowledge/emc/s-emc/05-s-emc/8289
IO腳保護電路（晶片設計）
https://www.pololu.com/picture/view/0J1269
ESP32類比輸入 只能到3.3V
https://randomnerdtutorials.com/esp32-adc-analog-read-arduino-ide/

MX1508 直流馬達 步進馬達 驅動模組 正反轉PWM調速 雙H橋 可取代 L9110 L9110S

Last changed by 
 
Jiunn Huang
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