I have no problem with static build whilst vacuuming. Mainly because I get someone else to do the cleaning for me :-) __________________________________________ David C Brown 43 Bings Road Whaley Bridge High Peak Phone: 01663 733236 Derbyshire eMail: dcb.home@gmail.com SK23 7ND web: www.bings-knowle.co.uk/dcb *Sent from my etch-a-sketch* On Mon, 11 Mar 2019 at 04:07, Jim wrote: > > Here in the Houston, Texas USA area, the humidity varies between 70% and > 100%. > Usually, it's closer to the 100% level than the 70% level. But > ocassionally, it dips to 70% or maybe a bit lower. > However, when I lived in Indiana, the winters were very dry, and we too > could see, hear, and feel static discharges when attempting to touch a > door knob, or metal water faucet, etc. > It didn't typically harm you in any way, but was somewhat painful, and > annoying. > > Regards, > > Jim > > > -------- Original Message -------- > > Subject: RE: [OT]: Any ideas on reducing static build up when vacuuming > > From: "Allen Mulvey" > > Date: Sun, March 10, 2019 9:18 pm > > To: "'Microcontroller discussion list - Public.'" > > > > > > Here, in winter, we seal up the house (and other buildings) > > and crank up the heat. This dramatically reduces the > > relative humidity. Right now I have the following humidity > > levels: > > Basement 24% > > Parlor (where the humidifier is) 29% > > My daughter's house 29% > > > > If I slide off an untreated sofa and touch a doorknob there > > is a visible spark. > > > > I have grounded anti-static mats on my work surfaces. > > > > Where in the world are you? Tropics? > > > > Allen > > > > -----Original Message----- > > From: piclist-bounces@mit.edu > > [mailto:piclist-bounces@mit.edu] On Behalf Of Justin > > Richards > > Sent: Sunday, March 10, 2019 7:51 PM > > To: Microcontroller discussion list - Public. > > Subject: Re: [OT]: Any ideas on reducing static build up > > when vacuuming > > > > On Sun, 10 Mar 2019 at 23:54, graham foulkes > > wrote: > > > > > I am also very sensitive to static build up and disruptive > > discharge and > > > when living in upstate NY, winter was a particularly > > trying time. The air, > > > on those cold dry days, when the water vapour froze out, > > was a near perfect > > > insulator, coupled with static generating materials, nylon > > carpets, > > > > > > > > I think the documentation I have had to read and comply with > > surronding ESD > > must have originated somewhere with similiar conditions to > > yours. > > > > I was always at odds with "ESD is more of a hazard in > > winter". Static > > shocks are less of a problem in our winter. I am guessing > > because it often > > rains and never below freezing and therefore humidity is > > higher. We also > > get very humid periods in summer but less so. > > > > Justin > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list > > archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > -- > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .