web development Archives - Page 2 of 14

Install and set up LogMein Hamachi. It is free, for a limited number of computers. Set up a Hamachi server on both the server and client. It should look something like this:

VOIP

We are using Soundjack VOIP. It is also free. Use the following parameters on the client side.

mic: soundflower 2ch (or something that is not currently producing input!)
headphone: default output (or whatever you want to listen on)

You can ignore the rest of the settings, since we are not sending audio. Most of the configuration is done on the server side.

Max

We are using several patches, depending on which hardware controllers you are using. Make sure that the hardware controllers are connected before opening Max.

patches:

eagle-ui5.maxpat – User interface and main entry point for client communication and CDJ-101 abstrations

Screen Shot 2016-04-05 at 12.28.56 AM

freqdb4.maxpat – database handler

Screen Shot 2016-04-05 at 12.29.17 AM

lp_radio2.maxpat – launchpad driver

After the max patches are loaded, you should be able to control the radio using the UI and the CDJ-101 controller. The red Mixer button in the upper right corner of the Launchpad should be lit.

Instructions:

to be continued…

April 4, 2016April 26, 2016

Remote radio – server

How to run the server side (base station) of the remote shortwave radio system.

(Under construction) The patches have not been uploaded to github yet.

Assuming that the radio and antenna system are operating. We are using an internet connected MacBook Pro running OSx 10.9.5, with a MOTU 828 MK3 audio interface.

VPN

Install and set up LogMein Hamachi. It is free, for a limited number of computers. Set up a Hamachi server on both the server and client. It should look something like this:

VOIP

We are using Soundjack VOIP. It is also free. Use the following parameters on the server side.

Local Settings:

mic: audio interface channel that is connected to radio audio output
headphone: doesn’t matter
volume: 0
audio block samples: 512
channels: 2
network packet samples 512
quality: high
userlist: manual

User list:

UDP/IP: enter hamachi IP of client.

When Soundjack is set up on the client. Press the green start button on the right side of the user list window on the server.

If all goes well, you should hear the radio on the client. Note: The input meter under local settings should be registering audio from your radio. If not, there is a problem with the audio interface.

Max Server

The Max/MSP server exchanges CAT commands via the server serial port to the radio. The command data is exchanged with a Max patch on the client using OSC (over UDP).

patch:

eagle-cat8.maxpat

instructions:

select the radio serial port from the menu (for example: usbmodem 14531)
initialize port settings
set toggle to poll the serial port

At this point you should be able to try the example commands, for instance to get the version or set frequency. If the commands are not working, it indicates a problem with the serial connection to the radio.

Next, check the IP address of the udpsend object. It should be the hamachi IP of the client.

April 6, 2015April 6, 2015

The Visual 6502

http://www.visual6502.org/JSSim/

April 5, 2015April 5, 2015

See yourself in Code

“Commissioned for the BBC’s make it digital event, the brief was ‘to get children into code’. My installation downloaded the event’s twitter feed in real time and displayed the page’s body text inside the bodies of passing people. Moving their hands around allowed people to scroll through the html/js/CSS.”

By Robin Price

http://robinprice.net/2015/03/do-you-see-yourself-in-code/