ToC of posts
- Timing the flashes, the end for now
- Timing the flashes, Act 3
- Timing the flashes, Act 2
- How to play with Kronos
- One ESP32 to rule them all
- UART, UART, UART (and shell)
- Timing the flashes
- A new angle on flash frequency
- Motor control over Wifi
- From ChibiOS to FreeRTOS
- Phyllo effects taxonomy
- New 3D printed support for the petal PCB
- Spring is coming
- PID tuning
- Speed control from every angle
- PID control
- Let's all welcome the new Phyllo
- Solidifying our workflow
- Live wire
- Another success for the Ultimaker
- Time and material
- Pretty Animations
- Quick update on the power transmission
- When the bug lies in your debug print function...
- Successful print of the PCB holding structure
- Flower power
- UART's breakthrough !
- Phyllos Galore
- Improving the 3D PCB supports
- Random GDB behavior
- Tuning up
- UART flow control
- Mechanical issues and motor troubles
- RTFM !
- How to distribute traffic
- Software Architecture Diagrams
- False start
- Out of the shell
- Bulletin boards
- Who am I talking to ?
- SPI protocol to light all the LEDs
- First Phyllo “turntable”
- Shell in the air
- Good vibrations
- Steady, ready, capture !
- Speed Control to Motor Tom
- STM32 : 1, ESP32 : 0
- Timing with ESP32, conclusion
- ESP32 vs STM32
- IRksome AGC
- First test on ESP32
- Going all out on the 3D
- 3D printing tweaking
- Ground control to RoseAce team
- Taking our new ESCs for a spin
- Update on mechanical architecture
- ESP32 Update
- Motor Update
- First outline of a time reference
- IR Update
- A new shell fresh from the oven
- Lots of IRons on the fire
- Figuring out the right WiFi protocol
- A few bits about motors and ESCs
- PCB newcast
- Eat to live or live to eat ?
- 3D printing : behind the scenes
- Final LED tests
- A solid foundation
- IRoning out the Phyllo detection
- New Year, new skin
- Ruling the colony of Phyllos
- Update on Phyllos detection
- LED's do some tests
- Taking full control on our 3D model
- The magnet strikes back
- The PCB puzzle
- A false sense of symmetry
- Communicating between Phyllos : Who’s Who ?
- Working anatomy of a Phyllo
- About LEDs
- Generating 3D Models
Ever heard of phyllotactic spirals ? John Edmark was inspired by these naturally occurring leaf patterns to create a series of sculptures he called “Blooms”.
This is the starting point for our project, Phyllo.
As John Edmark explains in this instructable, he spins a Bloom under a stroboscopic light to create the illusion of a flower blooming.
In our project, we will build upon this and:
- Color each petal individually from the inside with stroboscopic LEDs.
- Play colorful animated patterns on the sculpture (such as falling or rising petals, lines, spirals, rings…).
- Display animation patterns across neighbouring phyllos: when two sculptures are close enough, they can synchronize and the animations will propagate from one to the other, creating globally coherent phyllotactic patterns.
Here’s a simple 3D simulation as a basic example of a revolving spiral:
More on phyllotaxy
The Golden Angle and packing leaves: https://www.mathsisfun.com/numbers/golden-ratio.html
A mathematical analysis of phyllotactic spirals: http://pzacad.pitzer.edu/~dbachman/Papers/FibonacciSpirals.pdf
Take a look at this modern 3D zoetrope:
We will keep you posted as the project moves forward. Stay tuned !