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Category Archives: Electronics
Apple HomeKit on iOS with Arduino (ESP8266) through Raspberry Pi Part 1 of this article explained how to install a HomeKit server on a Raspberry Pi. This will allow you to add new, DIY accessories that can receive commands from … Continue reading
I’ve been a fan off wireless MIDI for a while. I built a few prototypes and I still use some of the devices I made. I might have found a replacement: Zivix just came out (fall 2015) with a wireless Midi transmitter, … Continue reading
As explained here, here and here, the VC-1 is a volume control for guitar (or bass) that can use a potentiometer, a variable analog signal or a Midi command to change the output volume.
Arduino as a Midi master The previous two posts explained how standard MIDI can supply some current at 5 Volts if implemented according to the MIDI standards. In this post, I go a little further and explain how an Arduino, … Continue reading
In the previous post, I explained a simple circuit that will indicate if a MIDI OUT port can provide 5 Volts and a little bit of current between pin 2 (ground) and pin 4 (+5 Volts). Not all MIDI devices … Continue reading
While doing some research to build a simple MIDI tester, I started to study the “real world” MIDI electrical specifications out there. I also experimented with various MIDI equipment and measured some voltages. A simple MIDI tester MIDI specifications imply that … Continue reading
A short article to help identify MIDI pin numbers in all those circuit drawings and photos on the internet.
My Ultimate Versatile Midi Connection Board I work with Midi, a lot. I often have to plug equipment for testing instruments, circuits and interfaces. I often need to connect more than one device to a computer or micro-controller. So I decided … Continue reading
A two-project merge! The Alesis Vortex needed a bit more… controls! So I decided to add a few sensors that would give me greater flexibility when playing. The Vortex is already quite capable, but my left hand was not “used” … Continue reading