ref: LimeLight, a hardware GRIP, a PC application FRCVision from WPILib, a raspberry pi image OpenSight, a raspberry pi image Chameleon Vision, a server run on raspbian GRIP a image processing pipeline GUI editor runs on PC

事前下載 https://docs.google.com/presentation/d/1Sa7acry4eblmslcSq-KLbn7Lrc23UFy_cmQk8rc373s/edit#slide=id.g1033c76bf6c_0_61 連入樹莓派 用pi imager將wpilibpi映像檔寫入SD卡 有線網路連接pi及電腦 電腦wifi 網際網路連線共用 給 乙太網路 http://wpilibpi.local/ client mode:

展現專業的歷程檔案 How to show off a car which you built? How to convince the interviewer/professor that you have been working in a car company? as a 專業人士

platform: Canonical official ubuntu-server 18.04 built for armhf/arm64 pi4 :::info ubuntu 20.04 failed. because ubuntu 20.04 is for ROS noetic, and noetic move to python3 (python 2 EOL at 1/1/2020), but cv_bridge uses libpython.boost which don't support python3 ::: :::info ubuntu mate don't have binary image built of 18.04 for pi4 only canonical ubuntu-server has 18.04 built for pi4, but it's server version, so have to install desktop environment manually

http://wiki.ros.org/aruco_mapping works on ROS kinetic -- that is: ubuntu 16.04 (ref: distro, REP3) (havn't tried ROS lunar) ROS Lunar has passed its EOL (failed on ROS melodic: /opt/ros/melodic/aruco/include diff from /opt/ros/kinetic/aruco/include) install prerequisites

--- title: 採購清單 - FRC Rookie doc tags: FRC --- 寫給FRC新隊伍的入門採購清單 === by 何信億, coach of __Lishan Blue Magpie__ FRC#7589 __Lishan Blue Magpie__ __麗山藍鵲__ FRC#7589 是由台灣,台北市 __麗山高中__ 的師生在2018-2019賽季創立的年輕隊伍。 經過這一年的賽季結束之後，想將我們創隊的經驗記錄下來，分享給台灣/華文圈/全世界各地想要開始投入FRC競賽的人們，所謂萬事起頭難，新創隊伍如果有其他隊伍的經驗順著照做應該會更順利的完成第一年的挑戰。 [ToC] --- 開始挑東西之前一定要知道的是，FRC有某些東西是有限制品牌型號的，而另外有一些只限制規格不限型號，大部分的東西則是完全開放讓各隊伍自行發揮創意。 簡單好記的方式是： > 凡是有通電的東西都有規定 因為FRC這個比賽非常重視安全，==++__安全第一！__++== 而在機器人上使用的電流非常大，單一顆馬達的電路是配40A的保險絲，比普通住家配電盤的一