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    • 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
      35 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
      34 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
      24 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
      30 Views

      No one has replied

      0
    • W

      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
      496 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
      34 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
      31 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
      42 Views

      No one has replied

      0
    • hqdz8

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

      0 Votes
      0 Replies
      41 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
      36 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
      47 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
      57 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
      49 Views

      No one has replied

      0
    • jinxiangwzh

      DragonHD工具使用问题
      Posted at • jinxiangwzh

      0 Votes
      1 Replies
      69 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
      185 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
      49 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
      44 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
      56 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
      47 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
      47 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
      41 Views

      No one has replied

      0
    • hqdz8