@roytam1 草,我去试试我的红色记号笔加热会不会褪色
感觉可以试试直接在陶瓷电容涂色或者在pcb上画x,偶尔还会遇到陶瓷电容漏电导致故障的,修起来真的很难找
Notices by Soybean (soybean@mastodon.ktachibana.party)
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Soybean (soybean@mastodon.ktachibana.party)'s status on Tuesday, 25-Jun-2024 08:46:37 JST Soybean
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Soybean (soybean@mastodon.ktachibana.party)'s status on Sunday, 16-Jun-2024 09:33:44 JST Soybean
AI会变成第二个dot-com bubble吗
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Soybean (soybean@mastodon.ktachibana.party)'s status on Sunday, 16-Jun-2024 08:17:46 JST Soybean
tl;dr
AM5芯片组里B650人气最高,A620看起来不够便宜没市场,更没人喜欢B650E和X670,不高不低
9成人都在买mATX;mini-ITX已经凉了,约等于没人买
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https://www.techpowerup.com/323559/b650-chipset-and-micro-atx-form-factor-dominate-socket-am5-motherboard-sales-research -
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Soybean (soybean@mastodon.ktachibana.party)'s status on Sunday, 16-Jun-2024 08:17:32 JST Soybean
@hcl 感觉成本是被PCIe5+DDR5+DP2.1+USB20G一起推高的,具体是烧在物料成本还是验证还是两者都有就不得而知了
然后销量不行一直在卖尝鲜价(In conversation from gnusocial.jp permalink -
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Soybean (soybean@mastodon.ktachibana.party)'s status on Saturday, 15-Jun-2024 00:48:04 JST Soybean
某宝GBA IPS屏幕转接板
看起来是把原装的8080 16bit接口(?)转成RGB接口,用了一个紫光同创的CPLD和一个STC的8051
虽然只有业余PCB布线经验都能看出这板子的布线堪称灾难...In conversation from mastodon.ktachibana.party permalink Attachments
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Soybean (soybean@mastodon.ktachibana.party)'s status on Sunday, 09-Jun-2024 21:20:27 JST Soybean
一个困扰好久的bug
今天无聊发现一个int32_t实际只会出现uint8_t范围内的数值,就把类型改了,结果触发了一连串seg fault
然后就发现了一串明明没malloc就往里嗯写的野指针
真是喜欢C这个语言,给人一种碰了就别想活的感觉In conversation from mastodon.ktachibana.party permalink -
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Soybean (soybean@mastodon.ktachibana.party)'s status on Sunday, 09-Jun-2024 21:20:26 JST Soybean
@coelacanthus 我这次的问题是涉及到硬件SRAM来回memcpy,所以好几个操作是malloc一个固定大小的,然而被malloc的struct并没有被检查大小
抄gayhub的野代码结果抄来了野指针,也算是报应(
*转指针一般union{uint8_t a[4], uint32_t b},直接shift指针位置感觉慌慌的,尤其是shift一个变量In conversation from mastodon.ktachibana.party permalink -
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Soybean (soybean@mastodon.ktachibana.party)'s status on Friday, 07-Jun-2024 01:07:25 JST Soybean
@mawei 为了轻?
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Soybean (soybean@mastodon.ktachibana.party)'s status on Friday, 07-Jun-2024 01:07:24 JST Soybean
@mawei aliexpress吧
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Soybean (soybean@mastodon.ktachibana.party)'s status on Friday, 07-Jun-2024 01:07:23 JST Soybean
@mawei 发货地浙江金华和广东深圳二选一
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Soybean (soybean@mastodon.ktachibana.party)'s status on Tuesday, 04-Jun-2024 19:00:47 JST Soybean
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Soybean (soybean@mastodon.ktachibana.party)'s status on Sunday, 02-Jun-2024 00:52:47 JST Soybean
更新一个library修了三小时代码
不用考虑兼容性也不更新文档的开发就是爽是吧(In conversation from mastodon.ktachibana.party permalink -
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Soybean (soybean@mastodon.ktachibana.party)'s status on Saturday, 01-Jun-2024 15:43:07 JST Soybean
Intel 抵制新疆棉,苏妈一家挺赖清德,皮衣说台湾是非常重要的国家,大清国屁都没放一个hhh
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Soybean (soybean@mastodon.ktachibana.party)'s status on Monday, 20-May-2024 00:38:11 JST Soybean
伊朗总统凉了🍾
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Soybean (soybean@mastodon.ktachibana.party)'s status on Saturday, 18-May-2024 08:32:02 JST Soybean
@roytam1 HY竟然第一时间回复了...
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Soybean (soybean@mastodon.ktachibana.party)'s status on Friday, 17-May-2024 23:26:34 JST Soybean
@mawei Qualcomm一直贼贵……
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Soybean (soybean@mastodon.ktachibana.party)'s status on Thursday, 16-May-2024 15:24:59 JST Soybean
这两周平均每天拍死三只疯狂伊蚊
真的是不能更烦In conversation from mastodon.ktachibana.party permalink -
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Soybean (soybean@mastodon.ktachibana.party)'s status on Thursday, 16-May-2024 15:24:58 JST Soybean
@luna 现在是先用alcohol spray对着来一下,坠机之后再对着地面拍扁
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Soybean (soybean@mastodon.ktachibana.party)'s status on Tuesday, 07-May-2024 00:55:09 JST Soybean
在油管评论区学到名言警句
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Soybean (soybean@mastodon.ktachibana.party)'s status on Wednesday, 01-May-2024 13:15:17 JST Soybean
@yotsuko @roytam1 @duffjiang DDR3用到现在不会内存不够用吗...
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