PDJ Weekly Livestream # 49 - Its Almost Time to Measure Jugglebots Legs! @harrisonlow
PDJ Weekly Livestream # 49 - Its Almost Time to Measure Jugglebots Legs!  @harrisonlow
Uploaded February 2025 | Updated September 2026, 2 hours ago
This was a satisfying week! The ICs worked perfectly, and setting up the CAN bus to log linear scale data was cruisy! It's amazing how easy things can be when you know what you're doing!

Now we're just waiting on some parts to arrive and we can (finally!) measure Jugglebot's legs 😁

Filmed on February 28th, 2025

=========== Links Specific to This Stream ===========

πŸ”— 74HC14 Schmitt-Trigger:
mouser.com/datasheet/2/308/74HC14.REV1-34947.pdf?srsltid=AfmBOooT-YWgLBk2Eurs5L1UJAhta1y3CBvZ1W6bPMx8cgv-YOq2wPts

πŸ”— 7407 Buffer:
ti.com/product/SN7407

πŸ”— Measuring Leg Mapping Data/Code:
github.com/Project-DeepBlue-Juggling/Jugglebot/tree/main/experimenting/platform_calibration/measuring_leg_mapping

πŸ”— Teensy Quadrature Encoder Library:
github.com/mjs513/Teensy-4.x-Quad-Encoder-Library

πŸ”— A very useful forum thread about the Teensy Quadrature Encoder Library:
forum.pjrc.com/index.php?threads/teensy-4-x-h-w-quadrature-encoder-library.58478

πŸ”— Onshape model for the DAQ board and case:
cad.onshape.com/documents/7a9dc32256a8e421fd2eeca8/w/6f37bd998ac0b334cedd8da3/e/426e71a256b4ae857f5fe4e8?renderMode=0&uiState=67c00488d017652945c48c07

================= General Links =================

πŸ”— Here's a link to the project's Github page:
github.com/Project-DeepBlue-Juggling/Jugglebot

πŸ”— Link to the main Onshape Assembly:
cad.onshape.com/documents/4d6545620c55797d3bb36f68/w/42ced3a9fe5d1bf7afc6efff/e/bf84687f92e1fd7b5e47b388

πŸ”— And to the project's Zulip site:
pdj.zulipchat.com

πŸ”— If you want to help support this project, the best way to do so is through my Patreon, here:
patreon.com/HarrisonLow

---
00:00 - Intro Countdown
00:13 - Stream Starts
01:15 - Integrated Circuits Worked Perfectly!
06:30 - Linear Slider Oscilloscope Demo
13:00 - We Can Now Sample at 1000Hz!
14:35 - This Process Was Not Without its Problems...
20:30 - Leg Measurement Demo
30:56 - There are Still Some Improvements to Make...
39:20 - No Stream Until 21/3
PDJ Weekly Livestream # 49 - Its Almost Time to Measure Jugglebots Legs!PDJ Weekly Livestream # 29 - Update + Throwing!! + Chat with JonPDJ Weekly Livestream # 51 - Jugglebot Lives Once Again!PDJ Weekly Livestream # 20 - Weekly UpdatePDJ Weekly Livestream # 35 - State Machine Update (Finally!)PDJ Weekly Livestream # 61 - Its Time to Build!Designing High-Performance Linear Actuators: Speed & Stiffness for my Juggling Robot | PDJ#19Building a Better Juggling Robot with ChatGPTProject: DeepBlue Juggling #7 - Project UpdatePDJ Weekly Livestream # 53 - Jugglebot Finally Obeys! (as long as it stays flat)PDJ Weekly Livestream # 60 - Bye-Bye Belt Drives πŸ˜…PDJ Weekly Livestream # 26 - Update
Harrison Low |

PDJ Weekly Livestream # 49 - It's Almost Time to Measure Jugglebot's Legs!

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