Electronics Design

100 Semifinalists for the 2015 Hackaday Prize

Entries for the 2015 Hackaday Prize — the nine-month design contest that challenges you to build something that matters — closed one week ago today. Accordng to 100 Semifinalists for the 2015 Hackaday Prize article  were over 900 entries submitted to competition. A huge set of Open Hardware that has been documented by the process.

PLC teardown

PLCs have a long and storied history, with Allen-Bradley itself coining the term “programmable logic controller” in 1971 when it introduced its version of what was then called the “programmable controller.” For anyone who cut their teeth on ladder logic can testify, PLCs at the time were an elegantly simple solution to an age-old problem: