Archive for the ‘Uncategorized’ Category

DR55 – Kick

September 24, 2018


The DR55 kick module is a T-resonator drum module in 3HP.

Featuring a true resonator and decay parameter it models those CR78, DR55, TR606 and TR808 earthquake kick drums with their fameous resonant body.


  • 39 – 140Hz CV-controllabel T-Resonator frequency
  • 0.1 – 2.5sec CV-controllable decay

MSRP is $99 but the module is available during this week for $49.


Trellis Feather dsp-G1 synthesizer

May 21, 2018


John Parks has released the Trellis Feather dsp-G1 synthesizer over at Adafruit Learning.

“The DSP-G1 makes beautiful, classic paraphonic synth sounds, similar to the famous 1980s Roland Juno-6. You can play up to five notes at once, each with three oscillators, and you can dial in multiple wave shapes, detuning, LFO, 24db filter, ADSR envelopes for the amplifier and filter, and more!
The Feather M0 Express can read your Trellis keypad buttons and potentiometer knobs and then send these commands to the synth chip as MIDI messages.”

The dsp-G1 celebrates a 4 year anniversary this week.

During this week the dsp-G1 chip is only $10 at

O2 Minipops DIY Kit available

May 15, 2018

Now at

New RMX-6 Drumchip

May 15, 2018


The RMX6 is a complete PCM Drum Synthesizer in a 28-pin DIP with 6 separate outputs and MIDI control.

It features 6 separate trig inputs and 6 separate analog tune inputs.

1 input for +6dB accent and 6 separate mono outputs.

It also features at MIDI input for drum triggering on CH#16.


Download PDF manual

Available at

R606 MK-II

May 14, 2018

Only $149!



May 4, 2018


The preprogrammed Digispark DIY USB-MIDI to CV board is now available in the webshop.

Awarded Top-40 Synthesizer Blogs

April 20, 2018


DIY Synthesizers was awarded as one of the top 40 synthesizers blogs 2018 by Feedspot

We celebrate this by giving you 30% off on the cart value at

(use coupon code “TOP40” when checking out. Valid one time per customer.)

DIY USB2DIN Sync adapter cable

April 18, 2018

How to build a cable that sync your Roland drum machine to your DAW.


Read more …

New blog

April 16, 2018

This blog is moving to own servers at

The move will take some time to finish so this page is still active.



rtpMIDI on the ESP8266 drum player

April 11, 2018

rtpMIDI or Apple MIDI is now supported on the ESP909 drum machine.

Over at the ESP8266 Audio hacking section.

Audio hacking with the ESP8266