Internet of things - with routers

Internet of things - with routers

• 1.
  Internet of things withrouters Tavish Naruka BaseApp Systems
• 2.
  why ● cheap, offthe shelf ● familiar software ● connectivity ● extensible
• 3.
  use cases ● wirelessgateway/router ○ wifi stations/mesh apart from ap ○ other wireless on USB etc. ○ one off mod ↓
• 4.
  modules ● custom boardsaround SoMs ● same software, expanded peripherals ● serial, USB, SPI, I2C, i2s, GPIOs
• 5.
  OpenWrt ● customizable linuxdistribution for space constrained devices ● ‘flashable’ f/w for supported devices ● image is kernel+squashfs+jffs2 ● based on buildroot/uClibc ● Many system programs are provided as busybox symlinks
• 6.
  OpenWrt ● based onhttp://buildroot.uclibc.org/ ● easy to modify text based config(UCI) ● example: config 'wifi-iface' option 'device' radio0 option 'network''lan' option 'mode' 'ap' option 'ssid' 'MyWifiAP' option 'encryption' 'psk2' option 'key' 'secretkey' ● tools/configs available for: ○ firewall, dhcp, networks, wifi, ssh, system(ntp, LEDs)
• 7.
  flash layout Tools: Binwalkand FMK(firmware mod kit) A typical router
• 8.
  Simple single filec code . |-- Makefile -- openwrt makefile `-- src |-- lpty.c `-- Makefile -- code makefile Code makefile is: sample package
• 9.
  projects ● Freifunk -community wireless, B.A.T.M.A.N. mesh, porta2030 ● Fon - router/internet vendor, Openmesh, ISP routers etc. ● Support for raspi, beaglebone, avr32, etc. ● Arduino yun mcu+linux running SoC ● Hak5 wifi pineapple - pentesting we-io vocore
• 10.
  fin github.com/ntavish ntavish.in
• 11.
  ● Delhi openhardware http://tinyurl.com/delhioh ● Delhi makers http://delhimakers.org Also, Vivek Iyyer and me are going to do some experimentation with EEG, and we’ll build some Openbci kits, at: Ardubotics Makerspace, run by Himanshu Bablani (near Qutab Minar metro station) People are welcome to join, or start something else too. Similar groups