Comments for Jacob N Calvert

Comment on Build Your Own: Clean Boost Guitar Pedal Part 2 by Jacob

Jacob — Mon, 24 Oct 2022 23:46:56 +0000

In reply to Padraig Parker. This is not my clean booster, sorry!

Comment on Docker Builders for Easy Updates by Jacob

Jacob — Mon, 24 Oct 2022 23:42:55 +0000

In reply to Christian Kuhtz. I review the docker logs or I spin up the container without executing the build (--entrypoint /bin/bash) and manually run the commands to see where it died. Sometimes the dependencies change.

Comment on Docker Builders for Easy Updates by Christian Kuhtz

Christian Kuhtz — Tue, 18 Oct 2022 22:01:36 +0000

Thanks for publishing this. How do you debug when there’s no binary in one of the src dirs? In my case, fldigi for example didn’t produce a binary, but flamp did.

Comment on JTAG On the Cheap with the FTDI FT232R by Mohd kasif

Mohd kasif — Mon, 23 May 2022 07:20:23 +0000

In reply to Jacob. Sir, I also want to know how to debug esp32 via ft232r. Please make an article related to it.

Comment on Better JTAG on the Cheap with the FT232H by Simon Beaumont

Simon Beaumont — Wed, 06 Apr 2022 20:37:18 +0000

Did you contribute this to the openocd project? adafruit-ft232h-jtag.cfg?

Comment on Build Your Own: Clean Boost Guitar Pedal Part 2 by Padraig Parker

Padraig Parker — Tue, 30 Nov 2021 23:23:49 +0000

Hi bought this on oshpark is this your clean booster. If yes I’d really appreciate a BOM as just after I bought it I noticed the dropbox link to the BOM is outdated.

https://oshpark.com/profiles/giacu92

Comment on Build Your Own: Clean Boost Guitar Pedal by Jacob

Jacob — Wed, 09 Jun 2021 13:53:25 +0000

In reply to Cristian. Hi Cristian, great question! The V1 power supply is actually a simulation of a note being plucked at 880Hz with 150mV amplitude, and V2 is the 9V power supply for the pedal. I used V1 in my SPICE simulation to get a feel for how the circuit would respond at different amplitudes and frequencies. In the actual layout in Eagle, you’ll notice that V1 has been replaced by SIG_IN and V2 has been replaced by 9V_IN. Thanks for checking out my post!

Comment on Build Your Own: Clean Boost Guitar Pedal by Cristian

Cristian — Wed, 09 Jun 2021 13:07:59 +0000

Hello Jacob, nice job indeed, thanks. I have a basic understanding of electronics, and all I can made are simple 9V guitar amps, which actually work somehow. I have trouble understanding the power supply of your schematics, why are there 2 power sources?
Thanks a lot if you’ll find the time to reply.

Comment on JTAG On the Cheap with the FTDI FT232R by Jacob

Jacob — Tue, 23 Mar 2021 14:00:59 +0000

In reply to Jerry Chan. Not really any benefit, but there is a nice side-effect: the FT2232H has 2x the MPSSE engines and pins, so you can have a UART and the JTAG hanging off the same USB chip.

Comment on JTAG On the Cheap with the FTDI FT232R by Jerry Chan

Jerry Chan — Tue, 23 Mar 2021 07:03:14 +0000

Is there any benefit to using the FT2232H over the FT232H when debugging with OpenOCD?