How to add wifi connection to i-robot Roomba (tested on Roomba-500).

Adaptation cost is less than $4:

• ESP8266: arduino/wifi module: $3
• DSN-MINI-360: PSU module: https://www.aliexpress.com/store/product/Free-shipping-20pcs-lot-Mini-360-HM-Buck-Power-Module-2A-DC-DC-car-power-supply/1266255_1877349317.html $0.40
• 1n4001 $0.1
• 3 x 10k/0.125W resistors: $0.0
• 5 x dupont cable (10cm)

Required tools:

• Hot Glue Gun
• Dremel with cutting disk
• Lime

Important documentation:

• Roomba specification document: http://www.irobot.lv/uploaded_files/File/iRobot_Roomba_500_Open_Interface_Spec.pdf

Hardware integration inside i-robot Roomba:

• All modifications have been made with the main objective of maintaining the outer appearance of the robot as original as possible but facilitating interaction with the new hardware.
• Disposition of the hardware inside the vacuum cleaner.
• Detail of new usb port to connect with ESP8266.
• Detail of ESP8266 with usb cable connected and stick to push reset button on ESP8266 board.
• Cenital view with final ubication of ESP8266 and wires.
• Really has been modded?