HamamatsuProject

Data Transfer System by MQTT

M5Stack_CloudMQTT_MIDI_OUT(Oct.24 2020)

Filename is 'M5Stack_CloudMQTT_MIDI_OUT.ino'. Added for MIDI keyboard at Hamamatsu side on this event. When someone play this keyboard, this program send MQTT-MIDI data to Bankok.

Required library

• M5Stack
• MIDI Library
• PubSubClient

M5StickC_CloudMQTT_muse_chair(Oct.22 2020)

Filename is 'M5Stack_CloudMQTT_MIDI_OUT.ino'. This program send serial data to Arduino Uno of massage chair when it receive MQTT from Bankok. One serial data describe how 5 each cylinder will move in massage chair.

Required library

• M5StickC
• PubSubClient

M5Stack-MQTT-MIDI-MP3(Sep.13 2020)

Filename is "M5Stack_CloudMQTT_MIDI_MP3.ino".
You can hear Hamamatsu Sound from M5stack by pushing buttonB and receiving MIDI.

Required library

• M5Stack
• MIDI Library
• PubSubClient
• ESP8266Audio https://github.com/earlephilhower/ESP8266Audio

How to prepare Hamamatsu Sound

• Set MP3 file to M5Stack.
  1. There are 21 files in folder "HamamatsuSound" below.
     • https://github.com/hasebems/HamamatsuProject/tree/master/HamamatsuSound
  2. Prepare a microSD card.
  3. Copy those files to root directory of the microSD card.
  4. Insert the microSD card into M5stack.

How to modify a sketch "M5Stack_CloudMQTT_MIDI_MP3".

• write your WiFi SSID/PW.
  • const char ssid[] = "xxxxxxxx"; // #### Your Wifi ID
  • const char password[] = "xxxxxxxx"; // #### Your Wifi PW
• write MQTT settings. (You should get these information from Hamamatsu)
  • const char* mqttBrokerAddr = "xxxxxxxx";
  • const char* mqttUserName = "xxxxxxxx";
  • const char* mqttPassword = "xxxxxxxx";
• write your client ID. Anything you like is OK.
  • const char* mqttClientID = "xxxxxxxx"; // #### Your Client ID
• Install this firmware to your M5Stack.

How to use this sketch

• If you push buttonB(center button), you can hear Hamamatsu Sound randomly.
• If M5Stack get MQTT-MIDI, you can hear Hamamatsu Sound randomly.

M5Stack-MQTT-MIDI

Filename is 'M5StickC_CloudMQTT_MIDI.ino', but it's for M5Stack. You may prepare only M5Stack.

Required library

• M5Stack
• MIDI Library
• PubSubClient

How to set up your MIDI instrument

• When it receives MIDI data, it generates short beep sound.
  • Evenif you don't have any MIDI instrument, you can recognize receiving MIDI.
• If you want to use a real MIDI instrument, You need MIDI shield or board that has same functionarity.
  • https://www.sparkfun.com/products/12898
  • connect 4lines to M5stack (Rx/Tx/5v/Gnd)
  • connect to MIDI instrument

How to modify a sketch "M5StickC_CloudMQTT_MIDI.ino"

• write your WiFi SSID/PW.
  • const char ssid[] = "xxxxxxxx"; // #### Your Wifi ID
  • const char password[] = "xxxxxxxx"; // #### Your Wifi PW
• write MQTT settings. (You should get these information from Hamamatsu)
  • const char* mqttBrokerAddr = "xxxxxxxx";
  • const char* mqttUserName = "xxxxxxxx";
  • const char* mqttPassword = "xxxxxxxx";
• write your client ID. Anything you like is OK.
  • const char* mqttClientID = "xxxxxxxx"; // #### Your Client ID
• Install this firmware to your M5Stack.

Processing

Mac setting

• Open "Audio MIDI Setup"
  • Applications -> Utilities -> Audio MIDI Setup
• Choose "Show MIDI Studio" from pulldown menu
• Double click "IAC Driver"
• Choose "Ports" tab
• Add new port by clicking "+", and name it freely
• Install "Processing"
  • https://processing.org/download/

How to modify a sketch "Processing_MQTT_MIDI.pde"

• write topicName that you want to get.
  • String topicNtOn = "HMMT_hasebe/MIDI/note_on"; // ####
  • String topicNtOf = "HMMT_hasebe/MIDI/note_off"; // ####
• write MIDI port name that you wrote in "Audio MIDI Setup".
  • String myMIDIIn = "xxxxxxxx"; // ####
  • String myMIDIOut = "xxxxxxxx"; // ####

How to start

• Start "Garage Band"
• Start "Processing" and Open "Processing_MQTT_MIDI.pde"
• Click Start(Play) Button in Processing