# Chaffered Chocolate Coemption

- Show: [The Amp Hour](https://hardwarepodcasts.com/podcast/the-amp-hour)
- Published: 2012-04-09
- Length: 1h 07m
- Episode: 90
- Page: https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption
- Listen: https://theamphour.com/the-amp-hour-90-chaffered-chocolate-coemption/

## Summary

Hosts Dave Jones and Chris Gamble discuss the open-source RC controller from Gizmo For You, highlighting its complex injection-molded cases and 8-layer PCB. They review Ken Lumbard's 'Reading Jim Williams' project, which curates and analyzes the application notes of legendary analog engineer Jim Williams. The hosts also cover rumors of a DARPA humanoid robot grand challenge and share experiences using CircuitLab for SPICE simulation.

## Chapters

- [0:00](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=0) Introduction and Easter Candy
- [7:07](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=427) Gizmo For You Open Source RC Controller
- [10:53](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=653) Injection Molding and DFM
- [16:55](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=1015) Reading Jim Williams App Notes
- [19:27](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=1167) DARPA Humanoid Robot Challenge Rumors
- [28:00](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=1680) Vintage Electronics and Germanium Diodes
- [50:49](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=3049) CircuitLab SPICE Simulation
- [59:39](https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption#t=3579) Chip of the Week: AD8555

## Topics

- [EDA & CAD tools](https://hardwarepodcasts.com/topic/eda-and-cad-tools)
- [Materials & manufacturing processes](https://hardwarepodcasts.com/topic/materials-and-processes)
- [Chips, FPGAs & semiconductors](https://hardwarepodcasts.com/topic/chips-and-fpgas)
- [Robotics & autonomy](https://hardwarepodcasts.com/topic/robotics-and-autonomy)
- [Analog & power electronics](https://hardwarepodcasts.com/topic/analog-and-power-electronics)

## Most relevant to

makers and hobbyists

## Mentioned

- Gizmo For You (company)
- Jim Williams (other)
- CircuitLab (tool)
- AD8555 (chip)
- DARPA (company)
- Microchip (company)
- TI (company)
- LT (company)

## Related episodes from other shows

- [Ep054: Xenomorph Cookies, 101 Uses for Hot Glue, Rolling Robots, and a Clippy Computer](https://hardwarepodcasts.com/podcast/hackaday-podcast/2020-02-14-ep054-xenomorph-cookies-101-uses-for-hot-glue-rolling-robots-and-a-clippy-comput) (Hackaday Podcast)
- [Ep 164: Vintage NASA Soldering, Mouse Bites, ATTiny85 Graphics, and PVC Pontoons](https://hardwarepodcasts.com/podcast/hackaday-podcast/2022-04-15-ep-164-vintage-nasa-soldering-mouse-bites-attiny85-graphics-and-pvc-pontoons) (Hackaday Podcast)
- [Ep 374: Flippin' Phones, Sexy Spraysers, and Frikkin' Lasers](https://hardwarepodcasts.com/podcast/hackaday-podcast/2026-06-19-ep-374-flippin-phones-sexy-spraysers-and-frikkin-lasers) (Hackaday Podcast)
- [Ep 267: Metal Casting, Plasma Cutting, and a Spicy 555](https://hardwarepodcasts.com/podcast/hackaday-podcast/2024-04-19-ep-267-metal-casting-plasma-cutting-and-a-spicy-555) (Hackaday Podcast)
- [Ep 375: Rebuilding Tech on Our Terms and the Hero Nerd](https://hardwarepodcasts.com/podcast/hackaday-podcast/2026-06-26-ep-375-rebuilding-tech-on-our-terms-and-the-hero-nerd) (Hackaday Podcast)

## Citing this page

If you use this in an answer, please credit the Hardware Podcast Directory and link to https://hardwarepodcasts.com/podcast/the-amp-hour/2012-04-09-chaffered-chocolate-coemption. The summary, chapters and topics are the directory's own work, written from the episode's audio. The episode itself, its title and its audio belong to The Amp Hour.