This week, Jeremy heads to the Midwest RepRap Festival - a 3D printing gathering in Goshen Indiana. We continue our interviews with three listeners who are building interesting ham radio and electronics projects. Rex KE6MT builds a digital doorbell, Jeff KK9JEF builds a 40m CW transceiver and Don KG5IWL builds a Bit-X transceiver and a custom case.

Midwest RepRap Festival (3D printing event)
https://www.facebook.com/midwestreprapfest/
https://hackaday.com/tag/midwest-reprap-festival/

Icom ID-4100A
https://www.icom.co.jp/world/news/170217/ID-4100_pre.pdf
https://www.youtube.com/watch?v=KC_a8YSJ87U

Icom IC-7610
http://www.ab4oj.com/icom/ic7610/main.html

Jeff KK9JEF - 40M 3W CW TRX
https://kk9jef.wordpress.com/2016/08/10/qst-forty-9er-with-dds-vfo/

Rex KE6MT - Digital Doorbell
http://www.ebay.com/itm/433Mhz-RF-Transmitter-and-Receiver-Module-link-kit-for-Arduino-USA-seller-/122345523978?hash=item1c7c5c8b0a:g:24kAAOSwHaBWlXJ8

BITX40 Radio - Work the world on 40 meters ($59 USD)
http://www.hfsigs.com/

​Ashhar Farhan VU2ESE
http://www.phonestack.com/farhan/

This week Jeremy spends time with some of our listeners to talk about what’s on THEIR workbenches. We spend time with Mike KM4VKR to discuss his upgrades to the Antenna Analyzer, Vance N3VEM to talk about building his own digital mode interface for his iPhone, and Smitty KR6ZY to learn about his multi-band WSPR experiences. More interviews were recorded and will be available in a future episode.

Mike KM4VKR

• OLED Display - https://www.adafruit.com/products/2719
• OLED Graphical Display for the HamRadio360 Antenna Analyzer -http://hamradio360.com/community/build-discussion/oled-display-with-graphing/
• QRP Labs WSPR Beacon - https://www.qrp-labs.com
• Desktop CNC Project - https://www.millrightcnc.com
• K3NG Arduino CW Project - https://blog.radioartisan.com/arduino-cw-keyer/
• QRP Labs SI5153 Module - http://www.qrp-labs.com/synth
• Arduino Zero - https://www.arduino.cc/en/Main/ArduinoBoardZero
  Arduino
• MKR1000 - https://www.arduino.cc/en/Main/ArduinoMKR1000
  Arduino
• MKRZERO - https://www.arduino.cc/en/Main/ArduinoBoardMKRZero

Vance - N3VEM - Mobile Device Digital Mode Interface

• Project Overview - http://www.n3vem.com/blog/whats-on-my-workbench
• Signallink USB - http://www.tigertronics.com/slusbmain.htm
• Easy Digi - http://www.ebay.com/itm/034-EASY-DIGI-034-Digital-Sound-Card-Interface-PSK-RTTY-SSTV-NBEMS-JT-65-HF-VHF-UH5-/220896968460
• Wolphi Link - http://www.wolphi.com/interface/
• RigBlaster - http://www.westmountainradio.com/rigblaster.php
• Sound Card Interface Schematics - http://www.wa1wa.net/filespdf/pskhandbook.pdf
• PocketPacket (iPhone) - http://koomasi.com/pocketpacket/
• APRS Pro Delxue (iPhone) - http://aprspro.com/v1/
• APRSDroid (Android) - https://aprsdroid.org
• OpenAPRS (iPhone) - https://itunes.apple.com/us/app/openaprs/id360574554?mt=8
• APRS Track (Android) - http://www.aprstrack.com
• PSKer (iPhone) - http://ke7sch.net/psker/PSKer.html
• Black Cat Systems - http://www.blackcatsystems.com
• Construction Techniques - Dead Bug, Manhattan - http://hackaday.com/2016/05/04/getting-ugly-dead-bugs-and-going-to-manhattan/

Mark (Smitty) - KR6ZY

• Nyquist Data Rate - https://en.wikipedia.org/wiki/Nyquist_rate
• Weak Signal Propogation Reporter (WSPR) - http://wsprnet.org/drupal/
• QRP Labs WSPR Beacon - https://www.qrp-labs.com
• Red Pitaya - https://redpitaya.com
• Multiband WSPR Receiver with Red Pitaya - http://pavel-demin.github.io/red-pitaya-notes/sdr-transceiver-wspr/
• Smitty’s OSHPARK Designs - https://oshpark.com/profiles/SmittyHalibut
• Smitty’s YouTube Channel - https://www.youtube.com/user/SmittyHalibut
• Arduino Spacecraft Control - https://www.youtube.com/watch?v=hfY-SlC2XHc
• Arduino Mission Control Desk - https://www.youtube.com/watch?v=j6zseFi070E