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Description

Resurrect your old Roomba! Add Wifi connectivity and control it from anyway!

Project has been done in Amiqual4Home Equipex Creativity Lab - https://amiqual4home.inria.fr/

Prerequisities

hardware

  • Spark Core with latest firmware updates :

    sudo particle flash --usb cc3000
    sudo particle flash --usb deep_update_2014_06
    
  • OR spark photon with latest firmware https://github.com/spark/firmware/releases

  • OR ESP8266-XX (I ran it on 1M version of ESP-01)

  • Roomba - here model R3MOD24A - Unfortunately, commands can be sent to Roomba trew UART but INPUT commands are not received : no activity on Roomba Tx

software

Setup

hardware

  • For this model, no input on external connector can be used to wake up roomba. Clean button is configured in pullup, when pressed it is grounded through 1k resistor. Connecting button input to D0 through 8k resistor gives control on it.

  • A support has been done to put photon near DC connector

  • After soldering it, roomba can be closed... Modification is now invisible. Photon led and buttons :

Commands

Commands can be sent either using MQTT protocol or using Particle API. For details refer : https://github.com/OpHaCo/roomba_wifi/blob/master/doc/iRobot_Roomba_500_Open_Interface_Spec.pdf

Control commands - as string

  • CMD_NAME =

  • AFTER THESE COMMANDS ROOMBA IS IN PASSIVE MODE

    • GOHOME
    • CLEAN
  • AFTER THESE COMMANDS ROOMBA IS IN SAFE MODE

    • FORWARD
    • BACK
    • LEFT
    • RIGHT
    • STOP
    • SONG
    • VACUUMON
    • VACUUMOFF
    • VIBGYOR : leds
  • GAINCONTROL

  • FREECONTROL

  • POWERON

  • POWEROFF

Roomba control over particle API

Command line syntax :

curl https://api.spark.io/v1/devices/SPARK_CORE_ID/roombaAPI -d access_token='YOUR_TOKEN' -d "params=CMD_NAME"

ex :

curl https://api.spark.io/v1/devices/SPARK_CORE_ID/roombaAPI -d access_token='YOUR_TOKEN' -d "params=SONG"
{
  "id": "ID",
  "last_app": "",
  "connected": true,
  "return_value": 0
}

Roomba control over MQTT

  • a valid MQTT broker must be defined in Photon code mqttserver variable

topics

"roomba/roombaCmds" : roomba control commands

In this topic, payload containing command name must be sent,

e.g :

mosquitto_pub -h BROKER_IP -t roomba/roombaCmds -m SONG

"roomba/particleCloud" : roomba cloud connection

To enable cloud connection

mosquitto_pub -h BROKER_IP -t roomba/particleCloud -m ENABLE

To disable cloud connection

mosquitto_pub -h BROKER_IP -t roomba/particleCloud -m DISABLE

Input commands

Return value as integer in "return_value" field

  • CMD_NAME =

    • AFTER THESE COMMANDS ROOMBA IS IN PASSIVE MODE
      • GETMODE
      • return value
    1 OFF
    2 PASSIVE
    3 SAFE
    4 FULL
    
    • GETMODE
    • return value : current roomba charge in mAh

ex :

curl https://api.spark.io/v1/devices/SPARK_CORE_ID/roombaAPI -d access_token='YOUR_TOKEN' -d "params=GETMODE"
{
  "id": "ID",
  "last_app": "",
  "connected": true,
  "return_value": 1
}

Test

export BROKER_IP=your_broker_ip
source ./roomba_control.sh
rc_while

Experienced issues

References

TODO

  • get another Roomba to handle input commands!

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