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Christopher Lum

@christopherwlumTracked since May 2026

Observed Aug 3, 2026 · stalePublic earnings

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creating YouTube videos.

How Patreon Signal reads this profile

Identity, tiers, posts, and visible counts come from the latest public Patreon observation. Growth compares available public snapshots. Revenue is labeled observed only when Patreon exposes it; otherwise it is modeled from public membership and tier signals.

Paid members

0% · 30 days

Total audience

310

incl. free followers

Observed monthly earnings

$39

Starting price

$1/mo

4 membership tiers

Membership tiers

Where the 308 observed tier members sit

$094.2%

Largest observed tier is $0 Free— the bar only uses public tier patron counts.

$0/moFree29094.2% of observed tier members

$1/moBachelors123.9% of observed tier members

$5/moMasters61.9% of observed tier members

$10/moPhD00% of observed tier members

Growth signals — Christopher Lum

20 paid members · past 30 days

Membership

222120

May 202615 weeks trackedNow

Christopher Lum20 members · $39/mo

The chart only uses Christopher Lum's observed public history. Comparison peers are listed below, but comparable trend series are not available yet.

Creator comparisons

Where Christopher Lum ranks

5 creators shown

Compare within

Rank by

Paid members Total audience 30-day member gain Estimated gross

#3of 7 measured

Paid members in Recommended cohort

Semantic matches are not ready, so this fixed cohort uses the best available category, audience, pricing, and cadence evidence.

Ranking data · includes stale rows

Christopher Lum's paid members rank in Recommended cohort
Rank	Creator and why included	Paid members	Gap vs Christopher Lum	Freshness
#1	HuszkyVideoCategory, audience, pricing & cadence	23	3 more	Aug 3, 2026
#2	City for AllVideoCategory, audience, pricing & cadence	21	1 more	Aug 3, 2026
#3	Christopher LumProfileVideoPaid members position in Recommended cohort	20	Reference	Aug 3, 2026Stale
#3	The True Royal FamilyVideoCategory, audience, pricing & cadence	20	Same value	Aug 3, 2026
#3	ТвистерVideoCategory, audience, pricing & cadence	20	Same value	Aug 3, 2026

The rank uses the full fixed cohort. This table shows up to five creators around Christopher Lum; the coverage summary above still counts everyone.

What they publish

Recent posts

90Profile posts1 postLast month8.3%Members-only

Previews available for 25 of 90 posts

Article Latest postPublicBang/Bang Control with a Hysteresis Deadband

Last week we looked at bang/bang controllers and saw some of their shortcomings (especially w.r.t. chatter). Adding a hysteresis deadband can address some of these problems. As a bonus we get to implement this as a finite state machine using Simulink Stateflow https://youtu.be/q0Z3-iDV0Po

Feb 6, 2025 0 likes 0 comments

Bang/Bang ControlWe continue our investigation into simple, heuristic, closed-loop control strategies with a discussion on bang/bang control. This control law has surprisingly good performance for something so simple. That being said, there are some limitations that you should be aware of if you chose to use this type of controller https://youtu.be/TT3Wn7dDNYo .ArticleJan 30, 2025Public 0 0 Open Loop Control Via Lookup TablesPeople often dismiss open loop control strategies due to their lack of robustness. However simple strategies like lookup tables can be a critical component of a feedforward control system https://youtu.be/Bq-wmKQZsgI.ArticleJan 13, 2025Public 0 0 Measuring Temperature with a MAX31856, Thermocouple, and ArduinoThis is the first in a series of videos where we will look at implementing a closed loop control system on an Arduino. You can follow along and build this system yourself for just a few dollars! https://youtu.be/Idwc2ZgU34sVideoDec 23, 2024Public 0 1 MATLAB Expo 2024#MATLABEXPO brings together engineers, educators, and scientists to explore applications, see hands-on demonstrations, and learn more about the MATLAB and Simulink! I hope you'll join me in a session to explore teaching engineering in a flipped classroom environment. The event is free and you can a session time that works best for you at https://eventsonline.mathworks.com/matlabexpo-2024-speakers?speaker_name=Christopher-LumArticleNov 7, 2024Public 0 0 View 0 commentsThis is the last calculus video for a little while as we'll be turning our attention back to controls theory to prepare for winter quarter h...VideoOct 26, 2024$1 tier & up 0 0 The Divergence TheoremWe're nearing the end of our calculus discussion with an investigation of The Divergence Theorem. This is an interesting way to relate a surface integral to a volume integral https://youtu.be/y5rABxjF_o8ArticleOct 16, 2024Public 0 0 Potential Functions, Fundamental Theorem of Calculus Applied to Line Integrals, & Path IndependenceLet's wrap up our discussion on line integrals by investigating potential functions and conservative vector fields https://youtu.be/7zYJYaftPu8ArticleOct 8, 2024Public 0 0 Line IntegralsToday is the first day of class for UW Fall quarter! We'll be talking about line integrals later in the quarter https://youtu.be/0sIsoJYmVVMImageToday at Aug 3 crawlPublic 0 0 Summary of Vector Derivative Operations and Formulation in Cylindrical and Spherical CoordinatesUW fall quarter starts in 2 days so let's summarize some of the derivative operators that we've been discussing https://youtu.be/JGDaIzC0o0cImageSep 23, 2024Public 0 0 The Laplace Operator, Divergence, and CurlContinuing our calculus discussion by investigating the Laplace, divergence, and curl operators https://youtu.be/KOlVHPShCOk .ArticleSep 18, 2024Public 0 0 The Chain RuleSchool is starting back up so we should get back to discussion on mathematical tooling. A great place to start is revisiting the Chain Rule and how it is related to composite functions and the Jacobian matrix https://youtu.be/tfpLFQB-7sUImageSep 10, 2024Public 0 0

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