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The BITX40 is a $60 Arduino controlled 7 watt QRP SSB 40 meter transceiver designed and built by Ashar Farhan VU2ESE. \\xa0They are available as a \\u201ckit\\u201d from http://www.hfsigs.com/ . \\xa0The assembly only involves soldering wires for things like speakers, power, and microphones and also finding a suitable case. \\xa0We originally spoke about the BITX40 back in Episode 26 (http://hamradio360.com/index.php/2017/06/20/ham-radio-360-workbench-26-the-bitx40-transceiver-an-introduction/)

Mark \\u201cSmitty\\u201d Smith KR6ZY is back with us again to share with us the modifications and upgrades he\\u2019s made to the original BITX40 over the summer. \\xa0In this episode, we discuss adding upper sideband capabilities, adding an IF shift, and even multibanding the radio! \\xa0Smitty shares lots of great resources and ideas in this episode of the Workbench.

Smitty KR6ZY can be found online on twitter @smittyhalibut (https://twitter.com/smittyhalibut) and on YouTube at https://www.youtube.com/user/SmittyHalibut

Cale K4CDN is taking a much deserved break for the rest of the year! \\xa0- http://hamradio360.com/index.php/2017/09/19/ham-radio-360-lessons-from-irma-and-my-vacation/

Workbench Autodesk Eagle board layout tutorial with KF7IJZ, KJ6VU, W6KWF, and KR6ZY - https://www.youtube.com/watch?v=IYoorqf2llE

OSHPark Board Manufacturer - https://oshpark.com/

ESP01 / ESP8266

• http://www.instructables.com/id/Getting-Started-With-the-ESP8266-ESP-01/
• https://www.sparkfun.com/products/13678
• ESP Libraries Source https://github.com/esp8266/Arduino
• Arduino IDE - https://www.arduino.cc/en/Main/Software
• ESP8266 in Arduino - https://learn.sparkfun.com/tutorials/esp8266-thing-hookup-guide/installing-the-esp8266-arduino-addon
• Teensy - https://www.pjrc.com/teensy/
• ARRL HF Data Rates - http://www.arrl.org/news/arrl-files-symbol-rate-petition-with-fcc
• Hardware random number generator - https://en.wikipedia.org/wiki/Hardware_random_number_generator

RTL-SDR v3 with Direct Sampling - https://www.rtl-sdr.com/rtl-sdr-blog-v-3-dongles-user-guide/

QRP Labs Filter Kits

• https://www.qrp-labs.com
• LPFs: https://www.qrp-labs.com/lpfkit.html
• BPFs: https://www.qrp-labs.com/bpfkit.html
• HF BPF 10-band Set - http://shop.qrp-labs.com/BPFSET

D-STAR QSO Party - https://www.icom.co.jp/world/dqp/

Silicon Dust HDHomeRun OTA TV to IP Box - https://www.silicondust.com/

Smitty\\u2019s BITX40 Intro Video - https://www.youtube.com/watch?v=3ESph5JCOpw

BITX40 Mods

Groups.io - https://groups.io/g/BITX20

BitX Hacks - http://bitxhacks.blogspot.com/

Raduino Software - https://groups.io/g/BITX20/wiki/Raduino-Topics

Allard\\u2019s Software - https://groups.io/g/BITX20/wiki/Allard%27s-Raduino-Code

Software upgrades https://github.com/amunters/bitx40/

Make it do CW http://bitxhacks.blogspot.com/2017/03/nd6t-bitx-cw-update.html http://bitxhacks.blogspot.com/2017/02/putting-bitx-raduino-on-cw.html

USB and LSB (for digital) - https://groups.io/g/BITX20/wiki/USB-LSB-operation

Front panel and case - https://www.banggood.com/Electronic-Plastic-Shell-Cartridge-Handle-Project-Case-Desk-Instrument-200x175x70mm-p-1035473.html?rmmds=myorder

Optical/Rotary Encoder Tuning - https://groups.io/g/BITX20/topic/mouse_encoder/5553536?p=,,,20,0,0,0::Relevance,,mouse,20,2,0,5553536

Dr. Jack Purdum W8TEE VFO TFT - https://groups.io/g/BITX20/topic/5116056

AGC Board - http://kv4qb.blogspot.com/2016/11/bitx-40p-building-part-1.html

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SteppIR Urban Beam - http://www.steppir.com/UrbanBeam

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