The Sydney Mini Maker Faire is this Sunday, 24th November: http://makerfairesydney.com/

An update on the Rigol DP832 lab power supply fix. Original video HERE Forum HERE Podcast: Download

Dave demonstrates how to do some basic in-house EMC Pre-Compliance conducted emissions testing on a DC powered product using an open source hardware Line Impedance Stabilisation Network (LISN) box, and a low cost Rigol DSA815 spectrum analyser http://www.tekbox.net/open-hardware/tboh01-5uh-impedance-stabilisation-network-lisn NOTE: As stated on the product page, this product and technique is …

Sorry, the forum went down overnight. It’s being worked on now by resident penguin gnif… UPDATE: Now fixed. It was some corrupted database tables. Not sure of the cause yet. Hopefully not posts lost. Discuss HERE

Dave tears down and salves some parts from old Panasonic, Telstra, Cisco, Nortel, and Polycom PABX and VOIP phones found in the dumpster. Are there any salvageable parts in them? Forum HERE Podcast: Download