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    • hqdz8

      PCB生产工艺 | 第十道主流程之电测
      Posted at • hqdz8

      0 Votes
      0 Replies
      14 Views

      No one has replied

      0
    • hqdz8

      华秋一文带你读懂PCB中的“金手指”设计
      Posted at • hqdz8

      0 Votes
      0 Replies
      12 Views

      No one has replied

      0
    • hqdz8

      PCB生产工艺 | 第九道主流程之表面处理
      Posted at • hqdz8

      0 Votes
      0 Replies
      26 Views

      No one has replied

      0
    • hqdz8

      小型化大势所趋,电源模块市场需求量攀升
      Posted at • hqdz8

      0 Votes
      0 Replies
      28 Views

      No one has replied

      0
    • hqdz8

      【技术】BGA封装焊盘的走线设计
      Posted at • hqdz8

      0 Votes
      0 Replies
      27 Views

      No one has replied

      0
    • hqdz8

      传统丝印文字的3个子流程,你都知道吗?
      Posted at • hqdz8

      0 Votes
      0 Replies
      19 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      7 Views

      No one has replied

      0
    • hqdz8

      板边器件距离不够,导致元器件无法焊接,怎么办?
      Posted at • hqdz8

      0 Votes
      0 Replies
      23 Views

      No one has replied

      0
    • hqdz8

      铜面上覆盖一层阻焊的油墨,你知道吗?华秋一文告诉你
      Posted at • hqdz8

      0 Votes
      0 Replies
      30 Views

      No one has replied

      0
    • hqdz8

      PCB焊盘设计应掌握哪些要素?
      Posted at • hqdz8

      0 Votes
      0 Replies
      36 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      2 Views

      No one has replied

      0
    • hqdz8

      元器件布局,为什么要保证安全间距?华秋一文告诉你
      Posted at • hqdz8

      0 Votes
      0 Replies
      37 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      2 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      3 Views

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      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      2 Views

      No one has replied

      0
    • hqdz8

      PCB第六道主流程之AOI,你都知道吗
      Posted at • hqdz8

      0 Votes
      0 Replies
      38 Views

      No one has replied

      0
    • hqdz8

      PCB封装孔小,元器件无法插入,如何解决?
      Posted at • hqdz8

      0 Votes
      0 Replies
      42 Views

      No one has replied

      0
    • hqdz8

      普通单双面板的生产工艺流程:图形转移
      Posted at • hqdz8

      0 Votes
      0 Replies
      35 Views

      No one has replied

      0
    • hqdz8

      什么是BOM?与焊盘不匹配,怎么办?
      Posted at • hqdz8

      0 Votes
      0 Replies
      26 Views

      No one has replied

      0
    • hqdz8

      华秋PCB生产工艺分享 | 第四道主流程之电镀
      Posted at • hqdz8

      0 Votes
      0 Replies
      38 Views

      No one has replied

      0
    • hqdz8

      助力智能穿戴设备新体验,华秋携手惠伦晶体提供全套选型方案
      Posted at • hqdz8

      0 Votes
      0 Replies
      44 Views

      No one has replied

      0
    • hqdz8

      PCBA丝印位号与极性符号的组装性设计
      Posted at • hqdz8

      0 Votes
      0 Replies
      32 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      9 Views

      No one has replied

      0
    • hqdz8

      PCB生产工艺 | 第三道之沉铜,你都了解吗?
      Posted at • hqdz8

      0 Votes
      0 Replies
      38 Views

      No one has replied

      0
    • hqdz8

      关于PCB字符设计
      Posted at • hqdz8

      1 Votes
      0 Replies
      55 Views

      No one has replied

      0
    • Y

      This topic is deleted!
      Posted at • YHKJ123

      0 Votes
      0 Replies
      2 Views

      No one has replied

      0
    • Y

      This topic is deleted!
      Posted at • YHKJ123

      0 Votes
      0 Replies
      9 Views

      No one has replied

      0
    • Y

      This topic is deleted!
      Posted at • YHKJ123

      0 Votes
      0 Replies
      4 Views

      No one has replied

      0
    • adnim

      This topic is deleted!
      Posted at • adnim

      0 Votes
      0 Replies
      2 Views

      No one has replied

      0
    • hqdz8

      华秋电子与信威电子合作打造智能家居安全防范系统
      Posted at • hqdz8

      0 Votes
      0 Replies
      67 Views

      No one has replied

      0
    • hqdz8

      机械钻孔、激光钻孔的流程
      Posted at • hqdz8

      0 Votes
      0 Replies
      56 Views

      No one has replied

      0
    • hqdz8

      喜讯!华秋电子荣获千峰奖“2022年度产业互联网百强”,持续为电子产业增效降本!
      Posted at • hqdz8

      0 Votes
      0 Replies
      49 Views

      No one has replied

      0
    • hqdz8

      PCB阻焊油墨的五种过孔工艺,你知道吗?
      Posted at • hqdz8

      0 Votes
      0 Replies
      68 Views

      No one has replied

      0
    • whycan

      18.8元的 4G 转 WIFI dongle,即插即用,无需USB通讯,通电即可使用。
      Posted at • whycan晕哥

      0 Votes
      11 Replies
      583 Views

      U Replied at

      @whycan 在 18.8元的 4G 转 WIFI dongle,即插即用,无需USB通讯,通电即可使用。 中说:

      据说手快有: https://detail.tmall.com/item.htm?id=656554238743

      仅推荐,其他风险自担。

      涨价了,73元。

      11
    • hqdz8

      生产工艺流程你了解多少?
      Posted at • hqdz8

      0 Votes
      0 Replies
      49 Views

      No one has replied

      0
    • hqdz8

      PCB设计如何防止阻焊漏开窗
      Posted at • hqdz8

      0 Votes
      0 Replies
      47 Views

      No one has replied

      0
    • hqdz8

      栉风沐雨砥砺行,春华秋实满庭芳——华秋电子2022年度大事记
      Posted at • hqdz8

      0 Votes
      0 Replies
      54 Views

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      0
    • hqdz8

      华秋电子亮相2022深圳集成电路峰会
      Posted at • hqdz8

      0 Votes
      0 Replies
      59 Views

      No one has replied

      0
    • hqdz8

      PCB线路板中的阻焊油墨,你了解多少?
      Posted at • hqdz8

      0 Votes
      0 Replies
      73 Views

      No one has replied

      0
    • hqdz8

      中国晶振市场规模将增长至2026年的263.21亿元?
      Posted at • hqdz8

      0 Votes
      0 Replies
      65 Views

      No one has replied

      0
    • hqdz8

      为什么线路板厂的孔偏这么容易导致PCB板报废了?
      Posted at • hqdz8

      0 Votes
      0 Replies
      102 Views

      No one has replied

      0
    • hqdz8

      SMT工厂及PCB工程师的福音——可视化BOM交互焊接工具
      Posted at • hqdz8

      0 Votes
      0 Replies
      61 Views

      No one has replied

      0
    • jinxiangwzh

      DragonHD工具使用问题
      Posted at • jinxiangwzh

      0 Votes
      1 Replies
      92 Views

      C Replied at

      @jinxiangwzh 没有这个测试项

      1
    • Y

      lvgl官方表盘项目指针和刻度没有对准,对我这种有严重强迫症的人来说看起来就心痛,不是难受,有能力的大佬修复一下这个bug?
      lvgl 表盘 clock • Posted at • yixiuge

      1 Votes
      3 Replies
      248 Views

      aldfaaa Replied at

      官方例程lv_example_meter_3.c的钟表里指针采用的是贴图方式, 所以解决思路有两个:

      针对屏幕分辨率, 优化贴图文件(img_hand.c)的样式 将贴图指针换成普通线段(粗细可调), 只要比的刻度粗一丁点或者把刻度覆盖掉就舒服多了.

      贴出第二种方法变动:(基于lv_port_linux_frame_buffer.git)

      --- a/examples/widgets/meter/lv_example_meter_3.c +++ b/examples/widgets/meter/lv_example_meter_3.c @@ -32,8 +32,9 @@ void lv_example_meter_3(void) LV_IMG_DECLARE(img_hand) /*Add a the hands from images*/ - lv_meter_indicator_t * indic_min = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5); - lv_meter_indicator_t * indic_hour = lv_meter_add_needle_img(meter, scale_min, &img_hand, 5, 5); + lv_meter_indicator_t * indic_min = lv_meter_add_needle_line(meter, scale_min, 5, lv_color_black(), 5); + lv_meter_indicator_t * indic_hour = lv_meter_add_needle_line(meter, scale_min, 3, lv_color_black(), 5);

      效果:
      3d5e542e-7738-4d83-9e75-42e0077bbc40-9051d8bca54d37bfb0faaf114e7ea2e.jpg
      结帖撒花✿✿ヽ(°▽°)ノ✿

      3
    • hqdz8

      你知道吗?完整的PCB生产工艺到底是怎样的?
      Posted at • hqdz8

      0 Votes
      0 Replies
      66 Views

      No one has replied

      0
    • hqdz8

      走线层的可制造性都有那些问题?你都知道吗
      Posted at • hqdz8

      0 Votes
      0 Replies
      66 Views

      No one has replied

      0
    • hqdz8

      湃睿PMDS-Fx传感器在电动牙刷上的应用
      Posted at • hqdz8

      0 Votes
      0 Replies
      77 Views

      No one has replied

      0
    • hqdz8

      PCB生产工艺:正片工艺、负片工艺,到底哪个更好用?
      Posted at • hqdz8

      0 Votes
      0 Replies
      63 Views

      No one has replied

      0
    • hqdz8

      内层的电源平面、地平面如何设计?
      Posted at • hqdz8

      0 Votes
      0 Replies
      63 Views

      No one has replied

      0
    • hqdz8

      什么是滑动开关?Nidec尼得科滑动开关CL-SB了解下
      Posted at • hqdz8

      0 Votes
      0 Replies
      53 Views

      No one has replied

      0
    • hqdz8

      如何保证PCB孔铜高可靠?华秋教你一个小窍门
      Posted at • hqdz8

      0 Votes
      0 Replies
      59 Views

      No one has replied

      0
    • hqdz8

      PCB布局、电磁兼容性分析(EMC)、电源完整性分析
      Posted at • hqdz8

      0 Votes
      0 Replies
      67 Views

      No one has replied

      0
    • hqdz8

      现代PCB生产工艺——加成法、减成法与半加成法
      Posted at • hqdz8

      0 Votes
      0 Replies
      81 Views

      No one has replied

      0
    • hqdz8

      “壕”气十足的卡塔尔世界杯,连足球都暗藏传感器黑科技?
      Posted at • hqdz8

      0 Votes
      0 Replies
      98 Views

      No one has replied

      0
    • hqdz8

      PCB铺铜的DFM(可制造性)设计要点
      Posted at • hqdz8

      0 Votes
      0 Replies
      70 Views

      No one has replied

      0
    • hqdz8

      前三强重磅揭晓!华秋第八届硬创大赛-全国总决赛路演活动成功举办!
      Posted at • hqdz8

      0 Votes
      0 Replies
      74 Views

      No one has replied

      0
    • K

      新人交流学习一下
      Posted at • kun123321

      0 Votes
      3 Replies
      124 Views

      q1215200171 Replied at

      新人交流学习一下

      3
    • hqdz8

      华秋一文告诉你:如何避免“断头线”带来的DFM(可制造性)问题
      Posted at • hqdz8

      0 Votes
      0 Replies
      47 Views

      No one has replied

      0
    • hqdz8

      华秋电子亮相2022慕尼黑华南电子展,数字化平台赋能智能制造
      Posted at • hqdz8

      0 Votes
      0 Replies
      70 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      5 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      3 Views

      No one has replied

      0
    • hqdz8

      PCB六大生产工艺介绍
      Posted at • hqdz8

      0 Votes
      0 Replies
      78 Views

      No one has replied

      0
    • hqdz8

      This topic is deleted!
      Posted at • hqdz8

      0 Votes
      0 Replies
      5 Views

      No one has replied

      0
    • hqdz8

      PCB测试四大方式你都了解吗?DFM助力PCB顺利设计
      Posted at • hqdz8

      0 Votes
      0 Replies
      79 Views

      No one has replied

      0
    • hqdz8

      个人千元奖励!华秋PCB多层板设计挑战赛等您参与
      Posted at • hqdz8

      0 Votes
      0 Replies
      72 Views

      No one has replied

      0
    • hqdz8

      华秋与全志发起开源硬件设计大赛,欢迎了解
      Posted at • hqdz8

      0 Votes
      1 Replies
      163 Views

      xiaowenge Replied at

      活动海报,欢迎扫码参加:
      23fd6798-7555-4b3b-9cf4-25d9e2e9f767-image.png

      1
    • hqdz8

      传感器领域成为企业攻向焦点,华秋与湃睿携手
      Posted at • hqdz8

      0 Votes
      0 Replies
      78 Views

      No one has replied

      0
    • hqdz8

      插件器件小的引脚孔,制造过程中可能存在的这些问题
      Posted at • hqdz8

      0 Votes
      0 Replies
      107 Views

      No one has replied

      0
    • hqdz8

      PCB代工厂售后回复你都看懂了吗?
      Posted at • hqdz8

      0 Votes
      0 Replies
      85 Views

      No one has replied

      0
    • hqdz8

      华秋首批入选阿里云智能制造加速器,加速中国“智造”
      Posted at • hqdz8

      0 Votes
      0 Replies
      95 Views

      No one has replied

      0
    • hqdz8

      推动国产智能传感器智慧应用,华秋与奥松达成合作
      Posted at • hqdz8

      0 Votes
      0 Replies
      60 Views

      No one has replied

      0
    • hqdz8

      你知道吗?元器件虚焊的重要原因!
      Posted at • hqdz8

      0 Votes
      0 Replies
      100 Views

      No one has replied

      0
    • hqdz8

      华秋第八届硬创大赛-华东分赛区决赛线上路演活动成功举办!
      Posted at • hqdz8

      0 Votes
      0 Replies
      98 Views

      No one has replied

      0
    • hqdz8

      大赛报名 | 免费体验V853芯片!“华秋电子X全志在线开源硬件设计大赛”开始报名啦
      Posted at • hqdz8

      0 Votes
      0 Replies
      157 Views

      No one has replied

      0
    • hqdz8

      PCB多层板的售后五点秘诀,记住事半功倍
      Posted at • hqdz8

      0 Votes
      0 Replies
      88 Views

      No one has replied

      0
    • hqdz8

      在实际加工中钻孔之间的间距通常会影响钻机的加工及成品的可靠性,怎么破?
      Posted at • hqdz8

      0 Votes
      0 Replies
      140 Views

      No one has replied

      0
    • M

      发现淘宝买的这CH340N模块不好使,很多板子都没法收到信息,但是led使劲闪,是不是电阻太大?
      Posted at • memory

      0 Votes
      2 Replies
      174 Views

      M Replied at

      @aozima

      给大佬点赞,改成10K之后,LED没那么刺眼了,与全志官方的V853开发板通讯也正常了.

      2
    • hqdz8

      如何才能避免出现元器件插不进去的问题?全文干货!建议收藏
      Posted at • hqdz8

      0 Votes
      0 Replies
      104 Views

      No one has replied

      0
    • hqdz8

      模拟电路中的“基础积木”你了解吗?这篇告诉你
      Posted at • hqdz8

      0 Votes
      0 Replies
      106 Views

      No one has replied

      0
    • hqdz8

      如何才能在生产前发现并解决制造隐患?华秋DFM新版本助力解决用户痛点
      Posted at • hqdz8

      0 Votes
      0 Replies
      102 Views

      No one has replied

      0
    • hqdz8

      《PCB封装设计指导白皮书》发布,干货满满免费领
      Posted at • hqdz8

      0 Votes
      0 Replies
      120 Views

      No one has replied

      0
    • hqdz8

      PCB设计干货:器件引脚的方槽如何避坑?
      Posted at • hqdz8

      0 Votes
      0 Replies
      105 Views

      No one has replied

      0
    • M

      Linux嵌入式怎么学?
      Posted at • micobest

      0 Votes
      20 Replies
      1174 Views

      Y Replied at

      budbool LV 8 2022年8月7日 01:36
      Linux嵌入式不太懂,有没有人教教我可以怎么学习?

      20
    • hqdz8

      华秋第八届硬创大赛-华北分赛区决赛线上路演活动成功举办!
      Posted at • hqdz8

      0 Votes
      0 Replies
      80 Views

      No one has replied

      0
    • hqdz8

      华秋电子亮相2022第四届中国模拟半导体大会,助力降本增效
      Posted at • hqdz8

      0 Votes
      0 Replies
      80 Views

      No one has replied

      0
    • hqdz8

      BMS芯片市场国产化突破迫在眉睫 本土智能BMS加速替代 最新进展来了
      Posted at • hqdz8

      0 Votes
      0 Replies
      87 Views

      No one has replied

      0
    • X

      吃螃蟹的季节开始打卡
      Posted at • xuanj

      0 Votes
      0 Replies
      132 Views

      No one has replied

      0
    • hqdz8

      最关心的制造成本来了!怎么使用DFM降低成本?
      Posted at • hqdz8

      0 Votes
      0 Replies
      129 Views

      No one has replied

      0
    • hqdz8

      PCB代工厂提供的报告,仅供参考?以实际报告为大家稍作讲解
      Posted at • hqdz8

      0 Votes
      0 Replies
      86 Views

      No one has replied

      0
    • hqdz8

      工程师的必修课——晶振分类
      Posted at • hqdz8

      0 Votes
      0 Replies
      105 Views

      No one has replied

      0
    • L

      【米尔MYB-YT507开发板试用体验】+实验一些小DEMO,QT_OPENGL
      Posted at • liuxingkeji

      0 Votes
      0 Replies
      110 Views

      No one has replied

      0
    • hqdz8

      星城长沙|华秋携手凡亿成功举办电子设计与制造技术研讨会!
      Posted at • hqdz8

      0 Votes
      0 Replies
      89 Views

      No one has replied

      0
    • hqdz8

      喜讯!华秋电子斩获亿邦产业互联网“千峰奖”
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