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First Disconnect the 240V from the Incubtor and wait about half an Hour ( so the Capacitators can discharge ).
240V are definatly deadly!
I think You have a Problem with the switching Power Supply.
That can be caused by an Overload on primary or secundary Circuit.
Sometimes the Diodes on the...
For a real good beginner description I'll seeking for a long Time.
When You are familiar with AVRGCC it should be no problem to use MICROCHIP Studio in C.
The programming Tool AVRISP MKII doesn't support the newer Tiny or AVRxxDBxx Controllers with UPDI Programming Port.
When You don't have a...
I think, I've bought similar Displays.
In my case there is used a 128x64 driver for the Display, but any second line would not be used.
Try out a font with double height character size - I think that will work!
To switch between normal and inverted Operation, You can use Exclusive Or Arrays like the 4077.
Input high = normal Operation, input low = inverted.
A long Time ago I do something similar for 8 Outputs ( Light Chaser ).
I've used a EPROM and progged the wished Light Patterns into it.
A binary...
Can the old contoller be repaired?
The biggest Problem would be if the Thermocouples has not the right resistance and temperature coefficient.
Does the manufactor make a change sheet make availible?
Then do this how it is written there and it will work.
Without more Information it is hard to...
You've programed a serial Interface too.
Does the Speed fit to 9600 ?
When Yes the Clock would work proper.
The Bug must be at an other Place.
Is there another Interupt Routine that takes a lot of time?
( Interrups should always be as short as possible )
The Timer has only one Overflow...
The C-MOS IC 4046 has all components for an PLL, excluding a D-Flip Flop.
The signal from Your Ignition has to be conditioned possibly.
The D Flip Flop divides the signal / 2. So the PLL runs with double Frequency for further processing.
Another possible way is to use a Microcontroller, that...
How old is the Monitor?
Solder out C918 when it's soldered out You can Check it with a good Capacitance Meter.
At suspect measurement it should be changed.
When You don't have such equipment and it is older then 6Years I would change the Elko C918 too with a low ESR Type.
It could be a part of...
When there is a short at that Power Line You'll measure ~0V across the Diodes too.
I would do what Nigel said an solder out the second Diode too an measure again.
When this Diode is OK too, remove the Connector to the other PCB an measure if the short is present then too.
A faulty Part could be...
There is no Point to insert an Ammeter between the Points 1...4 without affecting the whole circuit.
An Ammeter is ideally like a short circuit.
In Your schematic the upper Resistors would be set paralell to +24V via Ammeter and that will give You an other sum resistance then without that.
To...
IMHO that thing won't work proper.
There is only one biased Transistor?!
And that's direct coupled to a an collector Circuit stage without biasing?!
The last Power Transistor is DC wise shorted with a Coil.
The Circuit C4 / L4 looks like a Bandlock between 2 Amp Stages?!
At RF some things work...
I've bought a new Siglent sds1202x-e.
Very nice Scope with 2 Channels up to 200MHz + FFT an Protocol decoding for USART, CAN, LIN and I2C.
In Germany You can get it for about 380,-€. Often such Things in US are cheaper.
The sds1102 should have a few Bug's, so i wouldn't buy it.
The RIGOL...
That's my experience too.
When use uCenter You can see how the Positioning wandering around.
I live far away from any Airport.
In my opinion the huge failures appear at a change of received satellites.
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