1.Kernel
1.1编译安装5.9.6onUbuntu
https://phoenixnap.com/kb/build-linux-kernel需要的改动:
1.UEFIBIOS,secureboot要禁止,不然报linuxkernel:invalidsignature,youneedtoloadthekernelfirst’,可也自己生成signature:https://help.univention.com/t/problem-booting-server-shows-invalid-signature-you-need-to-load-the-kernel-first/13557
2.改.config两行,去掉找不到的debianlicense,去debug以减小...[
阅读全文]
https://www.youtube.com/watch?v=zHNUdAZDwjM
https://www.youtube.com/watch?v=uKTPtNGA-PE
[
阅读全文]
1.PCIe
https://olegkutkov.me/2021/01/07/writing-a-pci-device-driver-for-linux/
https://wiki-osdev-org.translate.goog/PCI?_x_tr_sl=en&_x_tr_tl=zh-CN&_x_tr_hl=en&_x_tr_pto=wapp#Class_Codes
https://blog.csdn.net/u010872301/article/details/78519371
https://blog.csdn.net/qq_39815222/article/details/122128036?spm=1001.2101.3001.6650.1
https://www.kernel.org/doc/html/latest...[
阅读全文]
PID:https://www.isa.org/intech-home/2017/may-june/features/optimizing-to-the-tune-of-a-pid-equation
EtherCATs/w:https://roboticsys.com/rmp-ethercat-motion-controller-free-evaluation-kit/?gclid=Cj0KCQiAmpyRBhC-ARIsABs2EAqiARFiASD0cT505-4Wxr5bVTNOQ2HKLmlaXdqj5BvVHpip0y0hquMaAljFEALw_wcB
EtherCATinfo:https://infosys.beckhoff.com/english.php?content=../content/1033/tc3_io_intro/1257993099.html&a...[
阅读全文]
https://www.harborfreight.com/10-30-psi-powder-coating-system-94244.html
podwercoatpaint:https://www.harborfreight.com/16-oz-powder-coat-paint-matte-black-93306.html
除锈:最好https://www.amazon.com/gp/product/B000BKC25K/ref=sw_img_1?smid=ATVPDKIKX0DER&th=1其次https://www.amazon.com/Henkel-NAVAL-JELLY-Fluid-Ounce/dp/B000C016OC/ref=sr_1_2
applecidervinegar,citricacid,oxalicacid草酸,...[
阅读全文]
appliances:https://www.appliancesconnection.com/
120V供电,通常2'宽3'高可置于厨房台面下,容量有限,有按钮允许洗+烘或仅洗。洗+烘时间与一般机器类似。blower打开上盖可见,电热靠近前方风去外筒上端,风管在blower下面由后部去外筒下端,去掉上下螺丝后由上方取出。灰毛稍多便会因风管上的压力传感器停止烘干:https://www.youtube.com/watch?v=lA07FcQZORQ
7models:https://www.youtube.com[
阅读全文]
例1:一块linux+windows双分区盘,在W10下有个recovery分区删不掉,进powershell窗口用diskpart可以:
diskpart>listdisk>selectdisk2>listpartition>selectpartition4>deletepartitionoverride.
此时DiskManagement下看不到盘了!当然可以连在Linux下修复,但我有点懒。继续:
diskpart>selectdisk2>clean>createpartitionprimary>listvolume>selectvolume4>active>assignletter=e
例2:新买的Seagate2TBUSB3盘(注意只...[
阅读全文]
书籍:https://freepdf-books.com/www.academic.edublacowjoec1xxx4
https://www.tutorialspoint.com/questions_and_answers.htm
1.python
https://www.tutorialspoint.com/python/python_online_quiz.htm
deftotal(initial=5,*num,**key):
count=initial
forninnum:
count+=n
forkinkey:
count+=key[k]
returncount
print(total(100,2,3,clouds=50,stars=100))
#nokey-pairisgivensor...[
阅读全文]
https://m.sohu.com/n/474690630/?wscrid=95360_7
一、
他的学生名满天下,他在专业领域如雷贯耳。他令无数学生敬佩,又令无数学生感伤。他为新中国培养了79名院士,23位两弹功勋中,有一半以上是他的学生。
他的大弟子——中国核物理奠基人王淦昌,我国“导弹之父”钱学森、“原子弹之父”、“氢弹之父”、“卫星之父”、“力学之父&rd[
阅读全文]
Arduinosimulator:https://wokwi.com/https://wokwi.com/projects/276825819240727048
这类应用通常称为IoT=InternetofThings
1.ESP32
S2-Pico:3V3,240MHz,4MFlash/2MSRAM,21-IO+LED+Key,50x23mm,$9,https://www.aliexpress.us/item/3256803029358542.html文档:https://www.wemos.cc/en/latest/s2/s2_pico.html看这个就可以了。库不支持蓝牙/蓝牙低功率/以太网/霍尔/电机PWM/SD卡/TWAI汽车规程:https://docs.espressif...[
阅读全文]