wifi

STEVE – New chassis, 3D printing, fresh electronics!

IMG_20151122_133544Plenty has happened since our last post, and most of it can be summarized with the following picture.

Yup, lots of wires. New body, too. With my 3D printer back in service, cases were printed for the electronics, along with new wheels all around. These new wheels add around an inch of ground clearance, and better off-road traction.

As well, the first shipment of new parts has arrived: a USB WiFi adapter, an ultrasonic range sensor, H-Bridge motor controller, 9-DOF IMU and a temperature probe.

There are a lot of really cool developments in this post; let’s dive in.

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Saturday, December 12th, 2015 3d printing, electronics, networking, software, steve No Comments

Creating a Private + Guest WiFi Access Point (DD-WRT)

Screenshot_2013-12-31-15-32-18

Recently I was asked to configure a WiFi access point for a small business, who needed to have both a private internal network, and a public guest network.

There are many privacy concerns when having guests share your network. Specifically, it is desirable to:

  • Disallow access to any computers on the private network
  • Prevent network abuse (such as P2P file sharing)
  • Secure the access point itself from tampering or unauthorized access

Of course, all this needs to be done without impacting the desired service: Internet access.

Although I found many guides online for setting up a guest network when the access point was also the primary router, I didn’t find any that worked for the intended network. So, after some trial, error, and research, I managed to get it to work.

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Tuesday, December 31st, 2013 computers, networking, work 91 Comments