Homepage of Hermann Stamm-Wilbrandt

I&C
Information and Contact

Blog
<myXsltBlog/> <myXsltTweets/> <myCE/> <myAndroid/> <myFrameless/>

Tools / Games
<pbmtobraille/> (C)  <echo-e.to.braille.html> (web)
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<simple_client-side_bookmarklet_creator/>   (JavaScript)
<GraphvizFiddle/>   (online Graphviz editor&layout [based on Viz.js])
<uʍopǝpᴉsd∩/>   ("foobar" → "ɹɐqooɟ" [browser XQuery])
<peg-solitaire/>   (1-player board game [browser XSLT])
<n-queens.xsl.xml/>   (n-queens, 4 ≤ n ≤ 9 [browser XSLT])

XSL
XSL (Extensible Stylesheet Language), xsl-list (Open Forum on XSL), related articles and files (priorartdatabase)

Neckarsteig
Hiking 9 stage Neckarsteig in 4 days

E3BM
Eberbach 3-Mountain Marathon

myRunning & myStreak
My running activities and current Running StreakRunning abroad

oeis.org (The On-Line Encyclopedia of Integer Sequences)
my submissions (ordered by "modified")

new binomial formula "C(a+b,c) = sum(k=0..a, …" and animation in A007318

Robotics
2-wheel balancing
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7
runaway robot 1-wheel braked
Find more 2007 images & videos on my
German language homepage

https://stamm-wilbrandt.de/en/forum/90_fps_slowmo_video_of_Arduino_Due_caterpillar_robot_high_speed_overshooted_U_turn.gif
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Project asurano

200.8km/h between my fingertips (slowmo)

youtube    quarter speed / single step
(battery pack as safety anchor)
73g "robot"
96g Arduino uno robot
High speed Arduino uno robot
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0
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7

Project asurano
High speed ATTiny85 robot
Arduecat (Arduino Due Caterpillar robot)
full stop back wheelies
• U-turn w/o speed (>2m/s) reduction
• just swap one motor's direction for some time
• slowed down by factor 90/25=3.6
90fps slowmo youtube video
• positions at start of (overshooted) U-turn, at 90°, 180° and finally before going straight again
Arduebot can do similar U-turn

ESP8266  esp8266/arduino

Standalone small outdoor #Wifi #access #point and #webserver based on #ESP8266-01 with #LiPo! [1] [2] [3] [4]

ESP8266-12 needs separate 3.3V power source, see here.

ESP8266-12 freshly soldered on adapter board, running Arduino IDE Blink example (pin 1 instead of 13).

6g in total version


single move mode   animation sct_map
Chess: construction tasks

DUV
I am a member of the German Ultramarathon Association (German-language) (my statistics)
UltRunR
Huge amount of information on Ultra-Marathons