Rotate button by Arduino 2023-10-30 1.2K Refer to https://zhuanlan.zhihu.com/p/349824627 , buy from here
MCP4725 I2C DAC Breakout board 2023-10-30 1.3K Bought from here Testing maximum frequency, around 800us
GY-4725 board 2023-10-30 1.4K Bought from here. This code test maximum frequency, around 1ms period is peak Documents
計準NPN了 2023-10-27 1.5K Main point: calculate Ib, we can do it by Ib=Ic / Beta min OR Ib=(Vb - 0.7) / Rb
Redis uses its own protocol to communicate between redis-server and redis-client 2023-10-15 2.6K I thought db client sending plain text command (in SQL) to server and server parse the command. But I found…
Funny Toy : Oscilloscope 2023-10-09 1K I got this electronic toy from Taobao, i want to have more experience on soldering and putting different components on…
砌機 : FPGA 2023-10-05 1.3K Lattice FPGA比STM32簡單, 我應該可以搞得掂 用户手册： https://github.com/wuxx/icesugar-nano/blob/main/README.mdwin7串口驱动： https://github.com/wuxx/icesugar-nano/blob/main/doc/usbser.inf原理图及源码： https://github.com/wuxx/icesugar-nano 主要component其實得兩個: FGPA同粒Flash FPGA
CIO現象之觀察 2023-10-04 2.9K 已經同大部份嘅公營機構做過生意, 公營機構嘅IT部技術同hands-on氣氛同以下元素嘅關係 同以下元素有關係, 我解釋唔到點解, 但觀察得之係有一定關係
同香港啲阿叔嘅交流指引 2023-10-01 3K 香港有好多阿叔，業界學界商界全部都係由阿叔為主，同佢地只要係有少少聯絡，你都要好小心，以下是指引 香港唔存在"前輩"呢一層，我唔係話香港無人夠資格稱做前輩，而係真正稱得上係前輩嘅人太少，唔足以叫做一代人。所以要摒棄幻想，唔好諗住搞到啲阿叔去指導你，唔點你都算係咁。香港啲中小學生同年青人未知呢個事實，所以寫呢篇文。
