【正文】
和XTAL2(18 腳)為振蕩器輸入輸出端口,外接12MHz 晶振。二、小組計劃(組內(nèi)分工)發(fā)射部分Sch:桂成飛、趙煥盛、胡盧澤、孔凱 發(fā)射部分Pcb:趙煥盛、胡盧澤 接收部分Sch:孔凱、桂成飛 接收部分Pcb:胡盧澤學習情境報告:按鍵電路、發(fā)射電路單片機 孔凱 38kHz載波產(chǎn)生電路、ASK調(diào)制 桂成飛紅外發(fā)射、紅外一體接收與放大 趙煥盛單片機接收電路、風速、搖頭、電源控制電路 胡盧澤三、實物制作(框圖)本系統(tǒng)以AT89C52單片機為控制器AT89C52為8 位通用微處理器,采用工業(yè)標準的C51內(nèi)核,在內(nèi)部功能及管腳排布上與通用的8xc52 相同,其主要用于會聚調(diào)整時的功能控制。(四)電氣強度電扇帶電部分與外殼之間的絕緣能承受50Hz正弦交流電壓歷時1min而無擊穿或閃絡(luò)現(xiàn)象。(三)絕緣性能電扇在高溫[(40177。,告訴運行時,搖頭機構(gòu)工作時,人為阻止機構(gòu)運動,風扇仍不停轉(zhuǎn)。,在其最大仰俯角(扇頭在正中州向位置),且高度調(diào)至最高位置,向任意方向傾斜10176。英文原稿來自:百度文庫Infrared remote control People’s eyes can see the visible wavelength from long to short according to the arrangement, in order to red, orange, yellow, green, green, blue, of the red wavelengths for muon m, Purple is wavelength rangemuon is shorter than the wavelength of light called ultraviolet ray ,red wavelengths of light is longer than that of infrared remote control is to use wavelength for muon m between the near infrared to transfer control used infrared remote control system of general points transmit and receive two main ponent part for the launch of infrared light emitting is actually a special light emitting diode, due to its internal material differs from ordinary light emitting diode, resulting in its ends on certain voltage, it is a rather infrared of infrared light emitting diode the infrared wavelengths, for 940nm appearance and ordinary, just the same light emitting diode five different light emitting diode generally have black and blue, transparent three of infrared light emitting diode and judgment method, using a multimeter to ordinary diode electric block measure of infrared light emitting diode, reverse infrared light emitting diode luminescence efficiency to use special instrument to measure precise, and use only spare conditions to pull away from roughly part of infrared receiving tube is a photosensitive actual application of ir receiving diode to reverse bias, it can work normally, the infrared receiving circuit application in diode is used to reverse, higher receiving diode usually have two round and to the power of infrared light emitting diode(or less monly 100mW),so ir receiving diode received signals is weak, so will increase highgain amplifier mon CX20106A,etcPC1373H muon infrared receiving special amplifier recent years both amateur or formal products, mostly using infrared receiving head head of infrared receiving product packages generally has two kinds: one kind USES sheet shielding, A kind of plastic are three pin, namely the power is(VDD),power negative(GND)and data output(VO or OUT).Infrared receiving head foot arrangement for types varied, manufacturer’s the advantages of infrared receiving head is not in need of sophisticated debugging and shell screen, use rise as a transistor, very when used