21ic项目外包平台DIY大赛——七彩数字时钟
首先非常感谢21IC外包平台能选中我参与这次活动，废话不多说直接看开箱焊接过程。1.开箱
https://bbs.21ic.com/forum.php?mod=image&aid=2110808&size=300x300&key=09658fc4a55367b1&nocache=yes&type=fixnone
https://bbs.21ic.com/forum.php?mod=image&aid=2110810&size=300x300&key=b595666d306a37c2&nocache=yes&type=fixnone
1.2电路图
https://bbs.21ic.com/forum.php?mod=image&aid=2110812&size=300x300&key=3d5641e970dfdc19&nocache=yes&type=fixnone
2.焊接
先小后大原则
2.1 电阻
https://bbs.21ic.com/forum.php?mod=image&aid=2110764&size=300x300&key=3d15294947304f65&nocache=yes&type=fixnone
2.2 电容
https://bbs.21ic.com/forum.php?mod=image&aid=2110786&size=300x300&key=1203b74b4a2043f8&nocache=yes&type=fixnonehttps://bbs.21ic.com/forum.php?mod=image&aid=2110784&size=300x300&key=6c42805fb78c7ad7&nocache=yes&type=fixnone
2.3电池扣
https://bbs.21ic.com/forum.php?mod=image&aid=2110788&size=300x300&key=10dfe3974faa4d90&nocache=yes&type=fixnone
2.4 芯片引脚座
https://bbs.21ic.com/forum.php?mod=image&aid=2110790&size=300x300&key=a48ccbe6136f0d8c&nocache=yes&type=fixnone
2.5蜂鸣器
https://bbs.21ic.com/forum.php?mod=image&aid=2110796&size=300x300&key=1904e865765465a7&nocache=yes&type=fixnone
2.6 供电口
https://bbs.21ic.com/forum.php?mod=image&aid=2110798&size=300x300&key=6fd637f73c33d45c&nocache=yes&type=fixnone
2.7 屏幕排针
https://bbs.21ic.com/forum.php?mod=image&aid=2110800&size=300x300&key=de1c5691c01b74c7&nocache=yes&type=fixnone
2.8 屏幕和板子焊接
https://bbs.21ic.com/forum.php?mod=image&aid=2110802&size=300x300&key=31993013aff65493&nocache=yes&type=fixnone
2.9 成品
https://bbs.21ic.com/forum.php?mod=image&aid=2110804&size=300x300&key=9414ac2728fdce49&nocache=yes&type=fixnone
2.10 供电
https://bbs.21ic.com/forum.php?mod=image&aid=2110806&size=300x300&key=32712ea4920b5218&nocache=yes&type=fixnone
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