Path: csiph.com!feeder.erje.net!2.us.feeder.erje.net!nntp.club.cc.cmu.edu!micro-heart-of-gold.mit.edu!bloom-beacon.mit.edu!bloom-beacon.mit.edu!panix!wb8foz From: David Lesher Newsgroups: sci.electronics.design,sci.electronics.components Subject: Re: I2C relay boards. Date: Sat, 28 Oct 2017 05:04:44 +0000 (UTC) Organization: NRK Clinic for habitual NetNews Abusers - Beltway Annex Lines: 26 Message-ID: References: NNTP-Posting-Host: panix5.panix.com X-Trace: reader2.panix.com 1509167084 9661 166.84.1.5 (28 Oct 2017 05:04:44 GMT) X-Complaints-To: abuse@panix.com NNTP-Posting-Date: Sat, 28 Oct 2017 05:04:44 +0000 (UTC) User-Agent: nn/6.7.3 Xref: csiph.com sci.electronics.design:483275 sci.electronics.components:6249 Michael A Terrell writes: > The split configuration would make it easier to repair, and the >control boards can be plugged end to end. You can eliminate the jumpers >on the headers with a drop of solder on the underside of the boards. > If a relay board or controller board fails, it will be much cheaper >to repair. You can buy ready made 40 conductor cables with single Dupont >contacts on Ebay to harness them together. I remove the single contact >shells and replace them with a single, with the proper number of >positions. That way, my projects look a lot neater than the typical wad >of individual wires. 40? I need some 10 position one-row headers but will likely use two-row 20's and ignore the other. I do plan to plug them end to end but will need to hold them. Thinking a slotted /______\ piece of soft plastic that in turn is mounted to the DIN rail. -- A host is a host from coast to coast.................wb8foz@nrk.com & no one will talk to a host that's close.......................... Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433