Digest for sci.electronics.repair@googlegroups.com - 5 updates in 3 topics

amdx <amdx@knology.net>: Sep 04 05:45AM -0500

On 9/2/2020 12:51 PM, amdx wrote:
 
>  Does BL and BL/W have equal resistance to OR and OR/W?
 
>  Curious minds want to know.
 
>                                     Mikek
 
 No answer, oh well.
 
 Yesterday while cleaning and rearranging my shed/shop, I ran across
several
 
Neon sign transformers. One of them is a France! It's not the one you
list though,
 
and only has two in and two out.
 
Mikek
 
 
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Daniel Fynn <fynnashba@gmail.com>: Sep 03 05:59PM -0700

Please is there any simple way to bootload an Arduino ATMEGA328 chip? I have an arduino UNO board and i want to use it to bootload an ATMEGA chip. all the videos and other tutorials seem not to work.
I will be much grateful if someone can help me do that.
Ralph Mowery <rmowery28146@earthlink.net>: Sep 03 11:20PM -0400

In article <daa9f15c-12e1-442a-9a75-3d30456216can@googlegroups.com>,
fynnashba@gmail.com says...
 
> Please is there any simple way to bootload an Arduino ATMEGA328 chip? I have an arduino UNO board and i want to use it to bootload an ATMEGA chip. all the videos and other tutorials seem not to work.
> I will be much grateful if someone can help me do that.
 
I know of two ways to do it. One way requires a working Arduino board
and a bread board where you can plug in the chip, a crystal and a couple
of other components.
 
The other way is a working Arduino and an Arduino board with a removable
chip.
 
Either way , you put the two boards together with a few wires and run
the boot loader program from a computer.
 
Youtube has many examples to take you through the steps.
Clifford Heath <no.spam@please.net>: Sep 04 03:55PM +1000

On 4/9/20 1:20 pm, Ralph Mowery wrote:
 
> Either way , you put the two boards together with a few wires and run
> the boot loader program from a computer.
 
> Youtube has many examples to take you through the steps.
 
Yes. You program an Arduino as an ISP, as here:
<https://www.arduino.cc/en/Tutorial/ArduinoISP> and use that to program
your ATMEGA328.
 
Clifford Heath.
Fox's Mercantile <jdangus@att.net>: Sep 03 12:06PM -0500

On 9/2/20 1:56 PM, Michael_A_Terrell wrote:
> One thing that wasn't mentioned. The output level is +35 to +45 dB.
 
Might wanna look at what ever you were looking at again.
The output as specified in the manual is +40 dBmV. NOT dBm.
The correction factor is -48.75, so the actual output in dBm is
-8.25 dBm. Or, about, 0.15 miliwatts.
 
I seriously doubt this modulator puts out 31.625 Watts.
 
 
 
 
--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com
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