# Our Second Callin Show(ish)

- Show: [The Amp Hour](https://hardwarepodcasts.com/podcast/the-amp-hour)
- Published: 2015-12-18
- Length: 1h 10m
- Episode: 278
- Page: https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish
- Listen: https://theamphour.com/278-our-second-callin-showish/

## Summary

Hosts Chris Gammell and Dave Jones field calls from listeners Stu, Vikas, and Ryan, discussing hobbyist electronics projects and budget test equipment. Vikas seeks advice on building an arbitrary waveform generator using a Raspberry Pi and a TI TLC5602 DAC, prompting a deep dive into DAC architecture, DMA, and analog filtering. Ryan, a high school student, asks for budget scope recommendations, leading to comparisons between the Analog Discovery and Rigol DS-1054Z. The hosts then analyze industry news, including the Microchip-Atmel acquisition, the Cast.AR Kickstarter delay, and Valve's automated Steam Controller manufacturing in Illinois.

## Chapters

- [0:00](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=0) Introduction and Call-in Setup
- [1:42](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=102) Stu: IT Security and Hobbyist Electronics
- [4:26](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=266) Vikas: Raspberry Pi Arbitrary Waveform Generator
- [17:35](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=1055) Ryan: Budget Test Equipment for Students
- [33:00](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=1980) Microchip Acquires Atmel: Market Analysis
- [44:33](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=2673) Cast.AR Kickstarter Delay and Refunds
- [52:04](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=3124) Valve Steam Controller: US Automation and Labor
- [1:00:25](https://hardwarepodcasts.com/podcast/the-amp-hour/2015-12-18-our-second-callin-show-ish#t=3625) IoT, Telematics, and Future of Labor

## Topics

- [PCB design & layout](https://hardwarepodcasts.com/topic/pcb-design)
- [Test & measurement](https://hardwarepodcasts.com/topic/test-and-measurement)
- [Microcontrollers & dev platforms](https://hardwarepodcasts.com/topic/microcontrollers-and-platforms)
- [Policy, trade & tariffs](https://hardwarepodcasts.com/topic/policy-trade-and-tariffs)
- [Crowdfunding & preorders](https://hardwarepodcasts.com/topic/crowdfunding)
- [Robotics & autonomy](https://hardwarepodcasts.com/topic/robotics-and-autonomy)

## Most relevant to

makers and hobbyists

## Mentioned

- Raspberry Pi (other)
- TLC5602 (chip)
- LM318 (chip)
- Rigol DS-1054Z (product)
- Analog Discovery (product)
- Microchip (company)
- Atmel (company)
- Cast.AR (company)
- Valve (company)
- Steam Controller (product)

## Related episodes from other shows

- [Raspberry Pi Pico DAQ, Pine64 Audio Board, Vintage Computer Fest, and More!](https://hardwarepodcasts.com/podcast/the-electromaker-show/2022-04-21-raspberry-pi-pico-daq-pine64-audio-board-vintage-computer-fest-and-more) (The Electromaker Show)
- [The Electromaker Show Returns! Pico W, Budget Arduino Gamepad, and more!](https://hardwarepodcasts.com/podcast/the-electromaker-show/2022-07-15-the-electromaker-show-returns-pico-w-budget-arduino-gamepad-and-more) (The Electromaker Show)
- [Ep057: Dismantled LCD Panels, Unexpected Dynamometer, a Flappy POV, and Dastardly Encryption](https://hardwarepodcasts.com/podcast/hackaday-podcast/2020-03-06-ep057-dismantled-lcd-panels-unexpected-dynamometer-a-flappy-pov-and-dastardly-en) (Hackaday Podcast)
- [197: Smell the Transistor](https://hardwarepodcasts.com/podcast/embedded-fm/2017-04-26-197-smell-the-transistor) (Embedded.fm)
- [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/2015-12-18-our-second-callin-show-ish. 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.