Wes, That is a good idea. Do you mind if I try it out? Regards, Jim -----Original Message----- From: Wes Johnston To: PICLIST@MITVMA.MIT.EDU Date: Monday, September 27, 1999 10:10 PM Subject: 16f873 >I gotta ask.... does the 16f873 program the same way the 16f84 does? > >By the way, my buddy in florida and I had the perfect idea for programming a >f84 in circuit... you know those test clips for DIP IC's? the wide >alligator nylon clips? I have one of those... and instead of using a ZIF >socketed programmer, we'll just snap the test clip on. > >Wes - kd4rdb@qsl.net > http://www.qsl.net/kd4rdb > >Where am I? >http://www.aprs.net:8000/kd4rdb-9 >http://www.aprs.net:8000/kd4rdb-10 > >Stupidity should be painful >-----Original Message----- >From: William K. Borsum >To: PICLIST@MITVMA.MIT.EDU >Date: Monday, September 27, 1999 10:53 PM >Subject: Re: PIC project with lots of vibration - Best Sockets? > > >>At 01:20 PM 9/27/99 -0700, you wrote: >>>Have a shaking application, where the PIC chip will be mounted on a >>>piece of machinery that's vibrating. A lot. And am talking to someone >>>making a rocket telemetry unit in future using a PIC chip. >>biiig snip >> >>Got three Pics plus sRAM and ADC and signal conditioning with four >>accelerometers, three strain gages, and a rate sensor in two cubic inches, >>three pcb's in cord wood packaging, surviving 500 G impacts. NOT socketed! >> All SMT and firmly soldered in place. >> >>Trick is to dip first into GE-RTV silicone rubber (real watery, clear, self >>releasing two part stuff) to provide an easily removable conformal coating. >>Let it cure, then pot with a urethane or epoxy filled with micro-balloons >>(syntactic foam filler) for strength and light weight. >> >>Whole package is pretty much indestructible--and can still be taken apart >>for repair or failure analysis. >> >>kelly >> >> >>William K. Borsum, P.E. -- OEM Dataloggers and Instrumentation Systems >> & San Diego, California, USA >> > >________________________________________________________ >NetZero - We believe in a FREE Internet. Shouldn't you? >Get your FREE Internet Access and Email at >http://www.netzero.net/download/index.html