Author Archives: rt

Apple HomeKit on iOS with Arduino (ESP8266) through Raspberry Pi – Part 2

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

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Apple HomeKit on iOS with Arduino (ESP8266) through Raspberry Pi – Part 1

The Internet of Thinks (IoT), using and iPhone, Siri, HomeBridge, MQTT and an Arduino – Part 1 The global project is shown in this drawing: Part 1 (this article) is in yellow. Part 2 (next article) will cover the Mosquitto … Continue reading

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Review: Zivix PUC+ for Bluetooth Midi Wireless

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

Posted in Electronics, Music equipment, Uncategorized | Tagged , , | 4 Comments

M4L: Max for live patch for better guitar solo

Max for Live using Pitch Bend When using a keyboard to play guitar, you have to use Midi Pitch Bend (Pitchbend or PB) quite often to emulate the effect of bending a string on a real guitar. The problem is … Continue reading

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VC-1: Volume control for guitar using Arduino

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.

Posted in Arduino, Electronics, Music equipment, VC-1 | 1 Comment

Akai MPK261: One more thing using Sysex…

In a previous post, I explained how to control preset changes on the mPK261 using SysEx commands. In this post, I explain how to get the MPK2 series to show some tricked pad colors.

Posted in MPK261, Music equipment | 4 Comments

MIDI Experiments: Arduino as master

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

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MIDI experiments: Stealing power for an Arduino

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

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MIDI experiments: A simple MIDI tester

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

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About MIDI connections: Identifying the Midi pin numbers

A short article to help identify MIDI pin numbers in all those circuit drawings  and photos on the internet.

Posted in Electronics | Tagged | 8 Comments