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Born Naval Hospital, Balboa Park in '43, graduated University San Diego High in '61, San Diego State in '67, and stuck around San Diego until '75. Moved to Grass Valley (60 noth of Sacramento) in...

Ummm...that would be ISD, sorry...old fart brain fart...

Jim

Rob and Russ, I've been using the IDC devices for about 15 years, but I'm trying to minimize silicon and real estate to the maximum extent possible. Luciano hit the nail pretty square on the head...

Can somebody please point me in the right direction for a discussion of how to use the analog inputs on a pic and an external memory device to record voice -- say up to one minute of audio?

I...

Frequency is the reciprocal of time. For example, if you measure your square wave as 16.66...milliseconds, you have a 60 Hz. frequency.

Now, dependent on whether your milliseconds are floating...

I'm a real newbie at the PIC, but my BASIC is fairly decent. What is the reason for the GOTO InputButton command at the end of the FOR-NEXT loop? The button will be either zero (in which case you...

Two questions from a nooby ...

1. How can I either estimate (and a rectorandom estimate is fine) or measure how long it takes my program to execute a loop? That is, if I'm looking at a dozen...

I have my first application in PBP fairly well blocked out and I'm coming to the point where I have to decide on what external devices I'm going to have to use to get the desired functions.

The...

The OA didn't say use the regulator for the sensed voltage, but for the supply voltage. He also recommended a 3:1 voltage divider for the sense. Personally, I'd use a 4:1 because the car battery...

Many thanks fer yer help. The derivative of the learning curve is a large positive number today.

Two last questions and I'm pretty sure that I know the answers ... which is generally how I get...

Jim ..........

"If PushButtonA=0 then RxChannelA=RxChannelA^1

For example, the above will toggle the state of the RxChannelA BIT each time the PushButtonA is pressed."


I'm not at all sure I understand the...

Yes, I am aware of NCS. However ...

1.) The device shown is not set up to the aircraft standard, nor can it be modified to do so.

2.) The device shown has three times the volume that is...

Rather than go to an offsite web page, I'll attach the file to this reply. Sorry for the hassle; I'll get the hang of this soon.

Jim

OK, let me admit something right up front. I'm an analog cat in a room full of digital rocking chairs. I've been doing stuff from audio through microwave all my engineering and teaching career, but...

Drat. I hate doing this stuff without a blackboard.

Large (several dozen uf) capacitor directly from Vcc of the uP to ground. Schottky diode in series between power supply and Vcc of uP. 10k...