Category Archives for Electronics

Acrobotic’s ESP8266 Tips & Tricks

There’s a growing series of good videos covering ESP8266 Tips & Tricks on ACROBOTIC’s YouTube channel. The ESP8266 has become quite a darling in the IoT world, and a seriously cool community is growing around it. NodeMCU devkit picture by … Continue reading

05. January 2017 by Mithat Konar
Categories: Arduino, Code, Electronics | Leave a comment

IPC-7351 lookup table

National Instruments hosts a very handy table for finding IPC 7351 equivalents to JEDEC and IEC package names. I’m linking to a local PDF version for convenience.

02. June 2016 by Mithat Konar
Categories: Electronics | Tags: | Leave a comment

More KiCad modules

I’ve added a bunch of modules to my KiCad library. These have not yet been vetted, so approach with caution. Here’s what’s new or changed: New library mfk-ipc-7351-diode.mod with: mfk-SOD3716X135N (SOD-123 diode) New library mfk-smd-not-ipc.mod with: mfk-fairchild-SOT23 (Fairchild version of … Continue reading

16. December 2015 by Mithat Konar
Categories: Electronics | Tags: , | Leave a comment

AVA adopts my audio module in new DAC and preamp designs

Audio by Van Alstine has adopted my discrete Class A audio module into two of their products. The Vision DAC uses the module in its differential anti-imaging filter and output stage and the Vision SL Preamp uses it for line … Continue reading

21. April 2015 by Mithat Konar
Categories: Electronics | Leave a comment

Motorized potentiometer for FLOSS remote control

As part of my Open source audio remote control initiative, I’ve just published Volume-AlpsRK16814MG, an open source hardware design that integrates a high-quality Alps motorized quad potentiometer  with an H bridge. The design lets you control the motor’s direction using … Continue reading

04. April 2015 by Mithat Konar
Categories: Arduino, Electronics | Tags: , , | Leave a comment

Open source audio remote control

I’ve started a FLOSS remote control receiver project for DIY audio preamplifiers. I think it’s just about good enough to make public. Remote control is one of the more challenging things for an audio DIY person to implement, so I … Continue reading

17. March 2015 by Mithat Konar
Categories: Arduino, Code, Electronics | Tags: , , | 1 comment

Prototype early, prototype often

A couple mockups for an audio preamp display using dirt cheap character LCDs and the BigCrystal library for Arduino.

12. March 2015 by Mithat Konar
Categories: Arduino, Electronics | Tags: , | Leave a comment

KiCad workaround for mounting hole too close to pad

Here’s a workaround I used in a KiCad layout that involved a DRC error with a module’s (non-conducting) mounting pin. The mounting pin is physically close enough to an electrical pin that it makes the DRC clearance test fail. The … Continue reading

03. February 2015 by Mithat Konar
Categories: Electronics | Tags: | Leave a comment

Audio module progress

Pictured here is a prototype of a miniaturized version of the audio module I’ve been working with for the last few months. A high-end audio manufacturer is currently evaluating the module for use in a new line of products. More … Continue reading

30. January 2015 by Mithat Konar
Categories: Electronics | 1 comment

Engineer meets Bugera V22 reverb – Parts 7 and 8

Circuit board removal and modification.

21. October 2014 by Mithat Konar
Categories: Electronics | Tags: , | Leave a comment

← Older posts