<![CDATA[
<p><span data-ke-size="size18">커다란 디지털시계를 만들어 보았습니다.</span></p><p>PIC16F628A를 사용하여 커다란 디지털시계를 만들어 보았습니다.</p><p>회로 구성은 디스플레이부와 제어부, 정전을 대비한 전원 백업부 등으로 구성했습니다.</p><p>커다란 디스플레이를 사용하기 위해 공급전원은 12Vdc를 사용했답니다.</p><p> </p><p><span style="color: #0900ff;">회로도</span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/3f3adfbaaa390c8aec4b35504034002f79ba9055" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/3f3adfbaaa390c8aec4b35504034002f79ba9055" data-origin-width="791" data-origin-height="240"></div><p><span style="color: #0900ff;">자세한 회로도, 부품 배치도, 패턴도, 소스코드, 시간 설정방법은 여기를 클릭하세요</span></p><p><a href="https://cafe.daum.net/funny-circuit/M2lg/141" target="_blank" class="ke-link">https://cafe.daum.net/funny-circuit/M2lg/141</a></p><p> </p><p><span style="color: #0900ff;">부품을 준비해 봅시다.</span></p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td>품명</td><td>형명</td><td>적용</td><td>수량</td><td>비고</td></tr><tr><td><span data-ke-size="size16">밧데리</span></td><td><span data-ke-size="size16">Li-ion, 3.7V</span></td><td><span data-ke-size="size16">Batt</span></td><td><span data-ke-size="size16">1</span></td><td><span data-ke-size="size16">400mA 이상</span></td></tr><tr><td><span data-ke-size="size16">콘덴서</span></td><td><span data-ke-size="size16">27p</span></td><td><span data-ke-size="size16">C1,C2</span></td><td><span data-ke-size="size16">2</span></td><td><span data-ke-size="size16">세라믹</span></td></tr><tr><td><span data-ke-size="size16">콘덴서</span></td><td><span data-ke-size="size16">100uF</span></td><td><span data-ke-size="size16">C3</span></td><td><span data-ke-size="size16">1</span></td><td><span data-ke-size="size16">전해</span></td></tr><tr><td><span data-ke-size="size16">콘덴서</span></td><td><span data-ke-size="size16">10uF</span></td><td><span data-ke-size="size16">C4,C5,C7,C8</span></td><td><span data-ke-size="size16">4</span></td><td><span data-ke-size="size16">전해</span></td></tr><tr><td><span data-ke-size="size16">콘덴서</span></td><td><span data-ke-size="size16">0.1uf</span></td><td><span data-ke-size="size16">C6</span></td><td><span data-ke-size="size16">1</span></td><td><span data-ke-size="size16">모노리틱</span></td></tr><tr><td><span data-ke-size="size16">다이오드</span></td><td><span data-ke-size="size16">1N4148</span></td><td><span data-ke-size="size16">D1,D2</span></td><td><span data-ke-size="size16">2</span></td><td></td></tr><tr><td><span data-ke-size="size16">다이오드</span></td><td><span data-ke-size="size16">1N4007</span></td><td><span data-ke-size="size16">D3,D4</span></td><td><span data-ke-size="size16">2</span></td><td></td></tr><tr><td><span data-ke-size="size16">다이오드</span></td><td><span data-ke-size="size16">1N5819</span></td><td><span data-ke-size="size16">D6</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">FND</span></td><td><span data-ke-size="size16">WCN1-00B2SD-C21S</span></td><td><span data-ke-size="size16">FND1,FND4</span></td><td><span data-ke-size="size16">4</span></td><td></td></tr><tr><td><span data-ke-size="size16">FND</span></td><td><span data-ke-size="size16">SR2-112K</span></td><td><span data-ke-size="size16">FND5,FND6</span></td><td><span data-ke-size="size16">2</span></td><td></td></tr><tr><td><span data-ke-size="size16">커넥터</span></td><td><span data-ke-size="size16">DC Power Jack</span></td><td><span data-ke-size="size16">J1</span></td><td><span data-ke-size="size16">1</span></td><td><span data-ke-size="size16">Adapter Jack</span></td></tr><tr><td><span data-ke-size="size16">커넥터</span></td><td><span data-ke-size="size16">5268-3</span></td><td><span data-ke-size="size16">J2</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">커넥터</span></td><td><span data-ke-size="size16">5264-3</span></td><td><span data-ke-size="size16">J3</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">커넥터 터미널</span></td><td><span data-ke-size="size16">5264BPT</span></td><td><span data-ke-size="size16">J3</span></td><td><span data-ke-size="size16">2</span></td><td></td></tr><tr><td><span data-ke-size="size16">커넥터</span></td><td><span data-ke-size="size16">5264-2</span></td><td><span data-ke-size="size16">J4</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">LED</span></td><td><span data-ke-size="size16">RED, 5mm </span></td><td><span data-ke-size="size16">LED1,LED2</span></td><td><span data-ke-size="size16">2</span></td><td><span data-ke-size="size16">WCNLB1475-SR22</span></td></tr><tr><td><span data-ke-size="size16">트랜지스터</span></td><td><span data-ke-size="size16">KSP2907A</span></td><td><span data-ke-size="size16">Q1~Q7</span></td><td><span data-ke-size="size16">7</span></td><td></td></tr><tr><td><span data-ke-size="size16">저항</span></td><td><span data-ke-size="size16">10k</span></td><td><span data-ke-size="size16">R1,R2,R25</span></td><td><span data-ke-size="size16">3</span></td><td></td></tr><tr><td><span data-ke-size="size16">저항</span></td><td><span data-ke-size="size16">3.3K</span></td><td><span data-ke-size="size16">R3~R9</span></td><td><span data-ke-size="size16">7</span></td><td></td></tr><tr><td><span data-ke-size="size16">저항</span></td><td><span data-ke-size="size16">300Ω</span></td><td><span data-ke-size="size16">R10~R16</span></td><td><span data-ke-size="size16">7</span></td><td></td></tr><tr><td><span data-ke-size="size16">저항</span></td><td><span data-ke-size="size16">1.5k</span></td><td><span data-ke-size="size16">R26</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">저항</span></td><td><span data-ke-size="size16">2.2K</span></td><td><span data-ke-size="size16">R27</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">저항</span></td><td><span data-ke-size="size16">82K</span></td><td><span data-ke-size="size16">R29,R30</span></td><td><span data-ke-size="size16">2</span></td><td></td></tr><tr><td><span data-ke-size="size16">저항</span></td><td><span data-ke-size="size16">4.7Ω</span></td><td><span data-ke-size="size16">R31</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">보조기판</span></td><td><span data-ke-size="size16">li-ion charger pcb</span></td><td><span data-ke-size="size16">SUB_PCB1</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">스위치</span></td><td><span data-ke-size="size16">Tact SW</span></td><td><span data-ke-size="size16">SW1</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">스위치</span></td><td><span data-ke-size="size16">Tact SW</span></td><td><span data-ke-size="size16">SW2</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">스위치</span></td><td><span data-ke-size="size16">SLIDE SW</span></td><td><span data-ke-size="size16">SW3</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">IC</span></td><td><span data-ke-size="size16">PIC16F628A</span></td><td><span data-ke-size="size16">U1</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">IC</span></td><td><span data-ke-size="size16">CD4051B</span></td><td><span data-ke-size="size16">U2</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">IC</span></td><td><span data-ke-size="size16">ULN2003A</span></td><td><span data-ke-size="size16">U3</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td><span data-ke-size="size16">IC</span></td><td><span data-ke-size="size16">MC7905CT</span></td><td><span data-ke-size="size16">U7</span></td><td><span data-ke-size="size16">1</span></td><td><span data-ke-size="size16">1A 이상</span></td></tr><tr><td><span data-ke-size="size16">발진기</span></td><td><span data-ke-size="size16">4MHz_ATS-49/U</span></td><td><span data-ke-size="size16">XTAL</span></td><td><span data-ke-size="size16">1</span></td><td></td></tr><tr><td>패턴 와이어</td><td>단선</td><td>패턴용</td><td>필요량</td><td>0.3mm 이상</td></tr><tr><td>전선</td><td>연선</td><td>배선용</td><td>필요량</td><td>AWG24~26</td></tr><tr><td>PCB</td><td>만능 PCB</td><td>28x110</td><td></td><td></td></tr></tbody></table></div><p><span style="color: #0900ff;">부품이 준비되었으면 만들어 봅시다.</span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/247ed66be0f325389bd8a077c34f480e6f5ef56a" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/247ed66be0f325389bd8a077c34f480e6f5ef56a" data-origin-width="791" data-origin-height="231"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/46c6f44ce1a1e4bd466ce587f067d0a32404d8b6" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/46c6f44ce1a1e4bd466ce587f067d0a32404d8b6" data-origin-width="791" data-origin-height="229"><div class="figcaption">전면과 후면 부품 배치도</div></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/a106cf8ae6105e98f3e357325c77e912e87dd82f" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/a106cf8ae6105e98f3e357325c77e912e87dd82f" data-origin-width="791" data-origin-height="231"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/387753477d4345d058faa350d9236321c6a4021a" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/387753477d4345d058faa350d9236321c6a4021a" data-origin-width="791" data-origin-height="232"><div class="figcaption">전면과 후면 패턴도</div></div><p style="text-align: center;">부품 배치도와 패턴도</p><p style="text-align: center;"> </p><p> </p><p><span style="color: #0900ff;">완성품</span></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/5151e79c7eb6937c023a123f640c450c27662412" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/5151e79c7eb6937c023a123f640c450c27662412" data-origin-width="791" data-origin-height="443"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignLeft" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/f257aa5039b3965cd7fca3e424dd10da7e0bb641" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/f257aa5039b3965cd7fca3e424dd10da7e0bb641" data-origin-width="791" data-origin-height="444"></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/b507a2f6a59ee1d282e10f016ff376df60c9ecd9" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/b507a2f6a59ee1d282e10f016ff376df60c9ecd9" data-origin-width="791" data-origin-height="444"></div><p>완성이 되었으면 시계 조정과 백업 밧데리 동작등을 살펴봅시다.</p><p>1. 백업 밧데리를 J2 커넥터에 연결합니다.</p><p>2. 커넥터 J1에 12Vdc 어뎁터의 DC 플러그를 삽입하고, 전원 스위치 SW3를 눌러 전원을 켭니다.</p><p>3. 시계 전면의 숫자판에 12:00.00 이 표시되고, 후면의 밧데리 충전 PCB의 충전 램프(보통 적색 led)가 켜졌는지 확인합니다.</p><p>4. 시계 후면에 위치한 스위치 SW1를 눌러 시 단위를 맞추고, 스위치 SW3를 눌러 분 단위를 맞춥니다.</p><p>5. 시계의 백업 밧데리가 조금 충전 될 수 있도록 5~10 분정도 기다려 준 다음 전원 스위치 SW3를 끈 다음 5분 정도 기다려 줍니다.(정전 시험)</p><p>6. 전원 스위치를 다시 켠 다음 시계가 처음에 조정한 상태에서 5분 정도 지난 시간을 표시하면 백업 밧데리가 정상적으로 동작하는 것을 보여 줍니다.</p><p>7. 시간이 많이 지난 후, 시계 후면의 밧데리 충전 pcb에 충전 완료 램프(보통 파랑색 led)가 켜졌는지 확인합니다.</p><p>8. 정밀한 시간 설정은 첨부된 시간 설정 방법 절차를 따릅니다.</p><p> </p><p>동작</p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1N6Gv/d058962557ae7a7fb527af1ba926750564df74bc" class="txc-image" data-img-src="https://t1.daumcdn.net/cafeattach/1N6Gv/d058962557ae7a7fb527af1ba926750564df74bc" data-origin-width="791" data-origin-height="443"></div><p> </p>
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커다란 디지털시계를 만들어 보았습니다.
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23.03.26 21:15
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