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Recent Forum Posts

Re: SD or MMC card as storage for logging

I used one few years ago on PIC18F2550.
http://www.picbasic.co.uk/forum/content.php?r=272-USB-SD-LOGGING
http://www.picbasic.co.uk/forum/showthread.php?t=16920&p=128766#post128766
It uses about...
pedja089 Today, 00:50

Re: Solar Panel battery charger

Yes Dwayne, But 30 amps across a fet which has an on resistance of .1 Ohm's is only 3 volts. Thats 90 Watts. Not too bad. But the fets now days are more in the order of 10's of milliohms. So,...
Dave Yesterday, 17:41

Re: Solar Panel battery charger

Hello Dave

I also noticed that you are a ham operator. . .I have been an Extra class for over 40 years. . .Operate mostly CW a little bit of AM and SSB.
Usually run 40M beloe 7125.

I believe...
Dwayne Yesterday, 03:00

Re: Solar Panel battery charger

This is not a very good way how to do it. . .You will be losing a lot of charging capabilities during the daytime. During full charge cycles, you don't want to charge over 14 volts. . thus,
you...
Dwayne Yesterday, 02:47

Re: Solar Panel battery charger

The mosphets I purchased are good to 30 amps and 60 volts. . I figured i would operate them via a NPN transistor.. they claim they can be operated directly from
integrated circuits. . . Be easier...
Dwayne Yesterday, 02:44

Re: How to control the Si5351 pls ?

Thank you !!!!!!!!!
KB3BYT - 20th January 2019, 09:01

Re: SD or MMC card as storage for logging

SD card filesystems are quite large. I’m not even sure one would fit on any PBP supported devices.

This looks like a shrill account though, in any case.
Art - 20th January 2019, 08:29

Re: How to control the Si5351 pls ?

not really , just create a directory for the project dump both the si5351 files into it with all the fp stuff from melabs
set chip to pic18f25k22 which should work in any version of pbp3 , press...
richard - 20th January 2019, 07:10

Re: How to control the Si5351 pls ?

Thank you Richard.
I have been trying to figure out how to make a 700 kHz transmitter. The goal is to build a micro power AM transmitter that I can plug into an MP3 player and transmit recordings of...
KB3BYT - 20th January 2019, 06:16

Re: Solar Panel battery charger

Charging at 50 or 100 amps...…. use a heavy duty relay to charge/stop charging. Charge for a while, switch off, check battery voltage then charge more or not.
amgen - 19th January 2019, 17:08

PIC® 18Xxxx 80pin TQFP Adapter

From £79.95
Buy it Now

For part numbers ending with suffix: /PT Compatible with the following microcontrollers:

PIC18C801, 18C858, 18F8310, 18F8390, 18F8410, 18F8490, 18F8520, 18F8525, 18F8585, 18F8620, 18F8621, 18F8627, 18F8680, 18F8720, 18F8722

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