本研究目的有二:開發雙馬達控制板及開發無線氣壓計。在基於微控制器dsPIC33的雙馬達控制板上直接安裝了兩顆馬達驅動器晶片，如此可減少控制器與驅動器分開安裝時所占的空間與消除接線的困難。透過微控制器已有的二組解碼模組功能，可分別以閉迴路控制二顆直流伺服馬達。馬達控制板上並有輸入/輸出腳位的設計，使用者可使用這些腳位連上各式感測器與微控制器進行資料的傳輸，如此可方便地使用此控制器進行自主式機器人的應用研究。另一方面，透過藍芽無線傳輸及選用扁平封裝的微控制器dsPIC30，我們也製作出小型無線氣壓計。由於此氣壓計所量測的壓力可透過藍芽傳輸至電腦，故我們能將此氣壓計放入手持式電子裝置的內部空間中進行非破壞性的氣密性檢測，而此氣密性檢測可取代將產品放入水中所進行的昂貴的防水性測試，如此可降低許多產品開發的成本。

The objectives of this research were twofold: to develop a dual motor controller and to build a wireless barometer. The dual motor controller, based on the microcontroller dsPIC33, includes two motor drivers on board to reduce the size of the controller and to avoid the problem of wiring. Users can easily program the microcontroller to conduct a closed-loop control on two DC servo motors, respectively. Moreover, there are general input/out pins designed for the controller to allow users to connect various sensors to the microcontroller freely, which makes the controller very useful for developing autonomous robot applications. On the other hand, we used a Bluetooth module and a thin-quad-flat-package microcontroller dsPIC30to develop a tiny wireless barometer. Because the pressure information can be sent to the computer wirelessly using the Bluetooth module, the barometer can be placed inside handheld electronic devices to non-destructively conduct air tight tests, which can replace the expensive water-proof tests to save a lot of the product development costs.

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