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Re: JackAl Board Debut

 

Jack and Al,

This is really quite fantastic; well done!?

All my best,

Mike
Re: Encoder issue Raduino Replacements

 

¿ªÔÆÌåÓý

I can't answer what is you favorite BitX or uBit software.?? It is up to you to load what you want eventually.
I can load what ever you want.? I just need the link for what you want.
I can use Arduino IDE to load it.
You need to be able to load the Nano with Arduino IDE, it is Wonderful and fairly simple.? That is a basic leaning curve!

You can email me for more specific documents. motdog at verizon dot net, please don't reply on the list.

There are "better" features, but the software is in the Nano, just like original Raduino.
RaduinoX is for the BitX40.? Adds lots of connectors and features.
RaduinoUMax for the uBit, adds 16 I/O pins for expansion using a Microchip part and library available on line.
They both plug in for original compatibility.
I have lots of bare PCBs for DIY folks.

TNX
Mike

On 5/21/2018 4:30 PM, Mike aka KC2WVB wrote:
Michael Hagen,?

I'd love to buy one that I can just swap out and swap in.?
I don't have an IDE for the Raduino/Arduino nor do I have a linux based computer anymore so I prefer a replacement that is already stuffed full of the compiled software so that it runs at the get go. IDE's and the such I will pick up later, right now I just want to see the radio working.
Tell me how to proceed and I will buy one.

Thanks
Mike

On Mon, May 21, 2018, 6:57 PM Michael Hagen <motdog@...> wrote:

I have Raduino replacements for both Bitx and uBit.

Bare PCBs and some built and tested.

Much improved and more features.

email motdog at verizon dot net for info.

I have sold over 60 to the folks on this list.? Good Stuff.

Just ask those that have them.

TNX

Mike, WA6ISP


On 5/21/2018 3:26 PM, Mike aka KC2WVB wrote:
I was away for a few days and just tested the voltage off the 8 Pin outs of the Raduino board using a wall wart for power and yellow number 4 as ground.

From pin out 3 to 8 the voltage read 4.68 volts dc. Pin out 1 is not used but was giving random mil volt readings and so was pin out 2 which maps to the keyer.

With the encoder removed and the radio powered up I grounded red, pin out 6 to yellow which is what the encoder does when the shaft is depressed. This, I think, should have taken me into the standard menu but it did not seem to. It gave me two options one was do you want to change bands? The next momentary grounding of red to yellow said press to confirm and the last momentary grounding of red to yellow took the radio back to the frequency display. This does not seem right unless you have to unlock all the other menu features, so in spite of the voltage readings being seemingly OK I am thinking the Raduino is out to lunch.

Could you be so kind as to give me the contact information or web page from which you ordered your new Raduino from? I think I will have to do the same and can't seem to find the spare parts page.

Thanks and good luck on your radio.

Mike

On May 18, 2018 5:55 PM, "kj6etl" <pa1zz@...> wrote:
I have almost the exact same issue with my uBitx!!!!

I spend many hours trying to diagnose this problem at the end you can narrow it down to this:

  1. Disconnect the raduino board from the main board
  2. Disconnect the main connector
  3. Power it with a USB cable
  4. Measure voltage between pin 4 and 6 (Yellow to Red)
  5. It should read 5 Volt
It it doesn't read 5 Volt your Raduino board is bad and you have to replace it. So I ordered a new one ($35 shipping from India shigh..). Meantime bought a generic and will attempt to replace the failed one. Who knows I might have it working before the orignal board arrives. 


-- 
Mike Hagen, WA6ISP
10917 Bryant Street
Yucaipa, Ca. 92399
(909) 918-0058
PayPal ID  "MotDog@..."
Mike@...

-- 
Mike Hagen, WA6ISP
10917 Bryant Street
Yucaipa, Ca. 92399
(909) 918-0058
PayPal ID  "MotDog@..."
Mike@...
Re: pin 2 of raduino board seems to have gone to CW TX full time after boot message.

 

I'm pretty sure our Nano clones have a ceramic resonator.
After all, ceramic resonators are cheaper than crystals.

They are also smaller.
I measure the resonator on my Nano to be 3.2 x 1.3mm, (within 0.1mm),
so we likely have a Chinese clone of this product from Murata
? ??
The 16mhz resonator is parked to one side of the board, between the IC and the switch.
The 12mhz resonator for the CH340 USB chip is on the other side of the Nano, inaccessible if soldered down.

Note that Murata claims an accuracy of +/- 0.5%.
So the 16mhz oscillator could be off by up to 80khz (or worse on a clone?).
Much of that variance is due to temperature so those having trouble
with audio tones on their uBitx might try adjusting the room thermostat.
If that doesn't work, maybe a propane torch.? ?;-)

Jerry, KE7ER


On Mon, May 21, 2018 at 03:27 pm, Arv Evans wrote:
You are correct about there being two different types of USB-to-TTL chips used in Arduino
Nano boards.? The original FTDI FT232RL device is expensive and has been replaced by
a less expensive CH-340G device.? For Linux users this is not a problem, both versions "just
work".? I do not do windows but have heard that there may be a driver needed for the less
expensive USB chip.? OS-X also may have problems interfacing either chip without a driver
change but I cannot verify that.?

I use several of the Pro-mini boards because that eliminates a 12 MHz USB oscillator and
minimizes possibility of mixing products from that source.? This works, but the plug-in adapter
that you need for PC interface to a Mini-pro has an on-board 12 MHz oscillator for the USB-to
-TTL conversion and thus re-introduces the 12 MHz issue if you leave it connected.

On a Nano there are two oscillators, 12 MHz for the FTDI chip and the 16 MHz one for
the AVR-328 micro-controller.? Either or both may be a ceramic resonator or real crystal.
I did find an Ebay vendor who provided 5 of the Mini-pro models with a real 16 MHz
crystal.? I use these as frequency counters with a 74HC4060 as a pre-scaler because the
real crystal version of Pro-mini seems more stable.?
Re: Encoder issue Raduino Replacements

Mike aka KC2WVB
 

Michael Hagen,?

I'd love to buy one that I can just swap out and swap in.?
I don't have an IDE for the Raduino/Arduino nor do I have a linux based computer anymore so I prefer a replacement that is already stuffed full of the compiled software so that it runs at the get go. IDE's and the such I will pick up later, right now I just want to see the radio working.
Tell me how to proceed and I will buy one.

Thanks
Mike

On Mon, May 21, 2018, 6:57 PM Michael Hagen <motdog@...> wrote:

I have Raduino replacements for both Bitx and uBit.

Bare PCBs and some built and tested.

Much improved and more features.

email motdog at verizon dot net for info.

I have sold over 60 to the folks on this list.? Good Stuff.

Just ask those that have them.

TNX

Mike, WA6ISP


On 5/21/2018 3:26 PM, Mike aka KC2WVB wrote:
I was away for a few days and just tested the voltage off the 8 Pin outs of the Raduino board using a wall wart for power and yellow number 4 as ground.

From pin out 3 to 8 the voltage read 4.68 volts dc. Pin out 1 is not used but was giving random mil volt readings and so was pin out 2 which maps to the keyer.

With the encoder removed and the radio powered up I grounded red, pin out 6 to yellow which is what the encoder does when the shaft is depressed. This, I think, should have taken me into the standard menu but it did not seem to. It gave me two options one was do you want to change bands? The next momentary grounding of red to yellow said press to confirm and the last momentary grounding of red to yellow took the radio back to the frequency display. This does not seem right unless you have to unlock all the other menu features, so in spite of the voltage readings being seemingly OK I am thinking the Raduino is out to lunch.

Could you be so kind as to give me the contact information or web page from which you ordered your new Raduino from? I think I will have to do the same and can't seem to find the spare parts page.

Thanks and good luck on your radio.

Mike

On May 18, 2018 5:55 PM, "kj6etl" <pa1zz@...> wrote:
I have almost the exact same issue with my uBitx!!!!

I spend many hours trying to diagnose this problem at the end you can narrow it down to this:

  1. Disconnect the raduino board from the main board
  2. Disconnect the main connector
  3. Power it with a USB cable
  4. Measure voltage between pin 4 and 6 (Yellow to Red)
  5. It should read 5 Volt
It it doesn't read 5 Volt your Raduino board is bad and you have to replace it. So I ordered a new one ($35 shipping from India shigh..). Meantime bought a generic and will attempt to replace the failed one. Who knows I might have it working before the orignal board arrives. 


-- 
Mike Hagen, WA6ISP
10917 Bryant Street
Yucaipa, Ca. 92399
(909) 918-0058
PayPal ID  "MotDog@..."
Mike@...
Re: Encoder issue Raduino Replacements

 

¿ªÔÆÌåÓý

I have Raduino replacements for both Bitx and uBit.

Bare PCBs and some built and tested.

Much improved and more features.

email motdog at verizon dot net for info.

I have sold over 60 to the folks on this list.? Good Stuff.

Just ask those that have them.

TNX

Mike, WA6ISP


On 5/21/2018 3:26 PM, Mike aka KC2WVB wrote:
I was away for a few days and just tested the voltage off the 8 Pin outs of the Raduino board using a wall wart for power and yellow number 4 as ground.

From pin out 3 to 8 the voltage read 4.68 volts dc. Pin out 1 is not used but was giving random mil volt readings and so was pin out 2 which maps to the keyer.

With the encoder removed and the radio powered up I grounded red, pin out 6 to yellow which is what the encoder does when the shaft is depressed. This, I think, should have taken me into the standard menu but it did not seem to. It gave me two options one was do you want to change bands? The next momentary grounding of red to yellow said press to confirm and the last momentary grounding of red to yellow took the radio back to the frequency display. This does not seem right unless you have to unlock all the other menu features, so in spite of the voltage readings being seemingly OK I am thinking the Raduino is out to lunch.

Could you be so kind as to give me the contact information or web page from which you ordered your new Raduino from? I think I will have to do the same and can't seem to find the spare parts page.

Thanks and good luck on your radio.

Mike

On May 18, 2018 5:55 PM, "kj6etl" <pa1zz@...> wrote:
I have almost the exact same issue with my uBitx!!!!

I spend many hours trying to diagnose this problem at the end you can narrow it down to this:

  1. Disconnect the raduino board from the main board
  2. Disconnect the main connector
  3. Power it with a USB cable
  4. Measure voltage between pin 4 and 6 (Yellow to Red)
  5. It should read 5 Volt
It it doesn't read 5 Volt your Raduino board is bad and you have to replace it. So I ordered a new one ($35 shipping from India shigh..). Meantime bought a generic and will attempt to replace the failed one. Who knows I might have it working before the orignal board arrives. 


-- 
Mike Hagen, WA6ISP
10917 Bryant Street
Yucaipa, Ca. 92399
(909) 918-0058
PayPal ID  "MotDog@..."
Mike@...
Re: pin 2 of raduino board seems to have gone to CW TX full time after boot message.

 

The CH340 otr the presvious part is one of the reasons I use the pro-mini.? The
ftdi-232ttl-3v3 is well supported and?an official item not the clone.? Its the
programming interface and? runs very fast as serial. I do serial at 57600 usually
for diag work.? As as you said it avoids the second oscillator and the power.

Most of what I do is often with the raw Atmega328p (28pin) critter as then I don't have
the board level baggage to deal with.? It also allows me to slow it down for lower power.?
Thought the Pro-mini saves me a lot of effort and has a bit more IO.

The real crystal version is much more stable.? ?However I don't bother using it for
frequency counter as various boards to do that are available and saves me time.
That and I must have at least 6 of them around especially the nice 8 digit good
to 2500mhz ones.

Allison
Re: UBITX_CEC firmware upload and uBITX_Manager from a Mac #ubitx #radiuno #firmware

 

Thanks Jack,

That is good information on the?Arduino IDE file/directory naming convention.?

Tom, wb6b


On Mon, May 21, 2018 at 06:30 am, Jack Purdum wrote:
Arduino IDE
Re: pin 2 of raduino board seems to have gone to CW TX full time after boot message.

 

Ralph

You are correct about there being two different types of USB-to-TTL chips used in Arduino
Nano boards.? The original FTDI FT232RL device is expensive and has been replaced by
a less expensive CH-340G device.? For Linux users this is not a problem, both versions "just
work".? I do not do windows but have heard that there may be a driver needed for the less
expensive USB chip.? OS-X also may have problems interfacing either chip without a driver
change but I cannot verify that.?

I use several of the Pro-mini boards because that eliminates a 12 MHz USB oscillator and
minimizes possibility of mixing products from that source.? This works, but the plug-in adapter
that you need for PC interface to a Mini-pro has an on-board 12 MHz oscillator for the USB-to
-TTL conversion and thus re-introduces the 12 MHz issue if you leave it connected.

On a Nano there are two oscillators, 12 MHz for the FTDI chip and the 16 MHz one for
the AVR-328 micro-controller.? Either or both may be a ceramic resonator or real crystal.
I did find an Ebay vendor who provided 5 of the Mini-pro models with a real 16 MHz
crystal.? I use these as frequency counters with a 74HC4060 as a pre-scaler because the
real crystal version of Pro-mini seems more stable.?

Arv
_._






On Mon, May 21, 2018 at 2:47 PM, Ralph Mowery <rmowery42@...> wrote:


I have seen lots of venders at hamfest that seem to have the same thing I orfered from China at about 2 to 5 times the price.

I have bought a few things in the states that are the same as China at double the price (when shipping is included)? to get them fast.? Just ordered? 5 of an item in the US that is the same as 10 of the same thing from China.? I don't ever see needing more than 2 or 3 of them and wanted to go ahead and get the item to finish a project.

I have bought several of the nanos from China and they seem to work fine.? Just got in 5 of them for about $ 12.? I did blow out one in the uBITX but it was my fault.? Was playing with it and got a 12 volt wire on the cw or ptt pin.? Not too much trouble to change using one of the China hot air rework stations that cost about $ 60 now.

I may be mistaken,but I was thinking there are 2 different kinds of interface chips on the usb port and you may have to have a different driver for them.


de ku4pt


On Mon, May 21, 2018 at 11:33 AM, Arv Evans <arvid.evans@...> wrote:
I have two Nano's here in my hand, one from a US dealer via Amazon and the
other from a Chinese seller via Ebay.? Looking at both with 10X magnification
I see no difference.? Even the lettering is identical.? This makes me believe that
either the Chinese are buying US made Nano or US dealers are buying and
reselling Chinese made Nano.? Another possibility is that all of them may be
made in some 3rd country, maybe Mexico.? In today's global manufacturing
environment it is possible that all the Arduino Nano devices are made in one
place and sold by a myriad of dealers all over the world.

Arv
Re: Raduino not working 0 Volts on Pin 6 (red wire) #ubitx-help #ubitx

 

Those readings all seem correct, suggesting your Nano is in good shape.
Pins 5,6,7,8 all have an internal pullup turned on when the stock uBitx firmware is loaded,
so they get pulled high toward VCC which is a bit under 5v in this case.
Pins 1 and 2 are analog only inputs, no pullups, and float to wherever they please.

Jerry


On Mon, May 21, 2018 at 02:48 pm, Mike aka KC2WVB wrote:
OK, sorry it took so long to get back to you. I was away for a few days.
?
I am going to map numeral 1 to the violet or unused wire followed by blue maps to 2 and so forth. I believe this coincides with the published wiring diagram.
?
With a mini USB plugged into the USB connector on the Raduino board such that it supplied 5 volts dc from a wall wart I checked from yellow number 4 aka Rudino ground to all other pin outs. 5, 6, 7, and 8 all had 4.68 volts dc read at the time of the test. Pin out 3 also had 4.68 volts dc being read during the test. Pin out 1 which is unused by the radio had a random display changing rapidly in the mil-volt range. Pin out 2 which is connected by blue wire to the tip terminal of the keyer also had a random and fast changing display in the mil-volt range during the test.
?
Love to hear what you surmise.
?
Re: Encoder issue

Mike aka KC2WVB
 

I was away for a few days and just tested the voltage off the 8 Pin outs of the Raduino board using a wall wart for power and yellow number 4 as ground.

From pin out 3 to 8 the voltage read 4.68 volts dc. Pin out 1 is not used but was giving random mil volt readings and so was pin out 2 which maps to the keyer.

With the encoder removed and the radio powered up I grounded red, pin out 6 to yellow which is what the encoder does when the shaft is depressed. This, I think, should have taken me into the standard menu but it did not seem to. It gave me two options one was do you want to change bands? The next momentary grounding of red to yellow said press to confirm and the last momentary grounding of red to yellow took the radio back to the frequency display. This does not seem right unless you have to unlock all the other menu features, so in spite of the voltage readings being seemingly OK I am thinking the Raduino is out to lunch.

Could you be so kind as to give me the contact information or web page from which you ordered your new Raduino from? I think I will have to do the same and can't seem to find the spare parts page.

Thanks and good luck on your radio.

Mike

On May 18, 2018 5:55 PM, "kj6etl" <pa1zz@...> wrote:
I have almost the exact same issue with my uBitx!!!!

I spend many hours trying to diagnose this problem at the end you can narrow it down to this:

  1. Disconnect the raduino board from the main board
  2. Disconnect the main connector
  3. Power it with a USB cable
  4. Measure voltage between pin 4 and 6 (Yellow to Red)
  5. It should read 5 Volt
It it doesn't read 5 Volt your Raduino board is bad and you have to replace it. So I ordered a new one ($35 shipping from India shigh..). Meantime bought a generic and will attempt to replace the failed one. Who knows I might have it working before the orignal board arrives.


Re: Raduino CAD Files

 

I think I'm going to make a very short USB breakout cable that exposes the 5V from the PC before it gets to the Pill so I can have my way with it. Jerry, if the Pill is oriented properly, there will be less than 2" of USB cable inside the housing (at least in my rig) before it exits in a straight shot on the side, so I'm not too worried about it at this point. Maybe I'll make a PCB that has all the right connectors and magic stuff on it right at the point of entry.

It's always something

Joe
Re: Transmitter Mods

Mark M
 

Howard, if you still have parts available, I'd like a set. Is your address on QRZ OK? I'll get the SASE on the way tomorrow.

Thanks & 73...? ? ?Mark? ? AA7TA
Re: 4 pin microphone cobra

 

¿ªÔÆÌåÓý

Ah, thanks Lee. You have added to my knowledge of such microphones and hopefully helped our other poster.

Bill VK7MX


On 21/05/2018 10:30 PM, Lee wrote:

4 wire CB microphones are not speaker mics.?? There is audio line and ground.? When the PTT is not pressed the RX line is grounded and the receiver works through the speaker.? When you press the PTT it un-grounds the RX and turns off the speaker and grounds the TX line and transmits.?? Putting a resistor from RX to ground would leave the receiver output on a little making what they used to call "Talk Back"..?? You could hear yourself a little which they like if they used an echo or reverb microphone.
--
Lee - N9LO? "I Void Warranties"

?
Re: pin 2 of raduino board seems to have gone to CW TX full time after boot message.

 

Arv,

All my pro-minis are 16mhz.? That is three different vendors including Adafruit.


Allison
Re: Raduino not working 0 Volts on Pin 6 (red wire) #ubitx-help #ubitx

Mike aka KC2WVB
 

OK, sorry it took so long to get back to you. I was away for a few days.

I am going to map numeral 1 to the violet or unused wire followed by blue maps to 2 and so forth. I believe this coincides with the published wiring diagram.

With a mini USB plugged into the USB connector on the Raduino board such that it supplied 5 volts dc from a wall wart I checked from yellow number 4 aka Rudino ground to all other pin outs. 5, 6, 7, and 8 all had 4.68 volts dc read at the time of the test. Pin out 3 also had 4.68 volts dc being read during the test. Pin out 1 which is unused by the radio had a random display changing rapidly in the mil-volt range. Pin out 2 which is connected by blue wire to the tip terminal of the keyer also had a random and fast changing display in the mil-volt range during the test.

Love to hear what you surmise.

Thanks?
Mike

On May 19, 2018 9:20 AM, "Jerry Gaffke via Groups.Io" <jgaffke=[email protected]> wrote:
Probably more like 4.5v if taking power from the USB host, no other connections to the Raduino Nano+display assembly.
All four pins on the right side of that connector (for ENCA, ENCB, FCTN and PTT) should be at 4.5v to ground.
If any of them are not up around 4.5v, power down and measure ohms from that pin to ground, I am very curious.

Jerry

?

On Fri, May 18, 2018 at 10:49 pm, Mike aka KC2WVB wrote:
I have yet to perform the voltage test on the Nano. I ran out of steam after the 40 meter rig was completed but I will make the test tomorrow. Incidentally, should the reading across the two pins be spot on 5 volts or is there some leeway?
W8TEE vft/tft questions

 

I completed? a build of Jack's board a few months ago, and it was working fine. I even made some mods to his code, adding a 4th button press destination from which I could set tuner increments to 50Hz, 100Hz, 1KHz.? (I never had much luck with the encoder speed routines)

All was fine until just recently.? Now when I rotate the encoder, It will pretty much stay in the the same 2KHz range.? If I spin it furiously, I can get it to move erratically up and down the band, but I have obviously broken something.

Which isn't a complete surprise given how many times I have dismantled the unit to change my front panel layout, swap in a SO-359 for the standard antenna jack, replaced the power connector on the W8TEE board to a screw terminal, etc.? I suspect I laid the VFO down on the metal case with some pins touching where they shouldn't have.

So the? question is where to look.? I have checked and verified voltages.? I backed out my modified sketch and reinstalled the original.? I have swapped in several different encoders (I got a bunch of them).? No joy.? The behavior is the same whether it is driven by the USB power connector when disconnected from the Bit40, or the Bit40 power.? (I am feeding it 12v, btw, as the schematic specifies, not the 7-9v in the assembly guide. Is that a problem?).? In all other respects it appears to work - I think - see below.? I have a spare Mega 2560, and as soon as can get headers on it I will swap that in.??

While troubleshooting, I put the outputs on a scope.? The buffered output looks to be about 2.5-3v , and is a nice clean sine wave at about 60 Hz - and it does not change when the encoder is rotated.? The un-buffered output is about the same frequency, but voltage is several orders of magnitude smaller.? And the square wave output is just noise, or at best a very noisy triangle wave.? Does this indicate a problem with the A9850?? (Yes, it could indicate that I don't know what I am doing with the scope, a Tek 2235).

Any pointers?? It is kind of fun troubleshooting, but I would like to get it working again before the end of the decade.

Thanks.
Re: Raduino CAD Files

 

I wouldn't abandon the STM32F103 just yet, it's way too good of a deal. Jerry mentions a fix to the STM board and there are probably other ways.

73 Kees K5BCQ?
Re: pin 2 of raduino board seems to have gone to CW TX full time after boot message.

 



I have seen lots of venders at hamfest that seem to have the same thing I orfered from China at about 2 to 5 times the price.

I have bought a few things in the states that are the same as China at double the price (when shipping is included)? to get them fast.? Just ordered? 5 of an item in the US that is the same as 10 of the same thing from China.? I don't ever see needing more than 2 or 3 of them and wanted to go ahead and get the item to finish a project.

I have bought several of the nanos from China and they seem to work fine.? Just got in 5 of them for about $ 12.? I did blow out one in the uBITX but it was my fault.? Was playing with it and got a 12 volt wire on the cw or ptt pin.? Not too much trouble to change using one of the China hot air rework stations that cost about $ 60 now.

I may be mistaken,but I was thinking there are 2 different kinds of interface chips on the usb port and you may have to have a different driver for them.


de ku4pt


On Mon, May 21, 2018 at 11:33 AM, Arv Evans <arvid.evans@...> wrote:
I have two Nano's here in my hand, one from a US dealer via Amazon and the
other from a Chinese seller via Ebay.? Looking at both with 10X magnification
I see no difference.? Even the lettering is identical.? This makes me believe that
either the Chinese are buying US made Nano or US dealers are buying and
reselling Chinese made Nano.? Another possibility is that all of them may be
made in some 3rd country, maybe Mexico.? In today's global manufacturing
environment it is possible that all the Arduino Nano devices are made in one
place and sold by a myriad of dealers all over the world.

Arv
Re: Encoder issue

Mike aka KC2WVB
 

I've been out for two days, just got back.

It was connected to common ground but thanks for the thought. Right now its out and the one side under a continuity test reads: open, closed, open, closed.....and the other reads open continuously while the shaft is rotated. So that spells defective encoder.

I should have a replacement encoder tomorrow but I am trying to test the Rudino board tonight because I have a nasty feeling it may be corrupted too. I am searching for the voltages to expect on its pin outs. I have the info, I just need to find it.

At least I have the BitX40 up and running so last weekend was not a total bust.

Mike


On Sat, May 19, 2018, 6:14 PM Bob Smallwood <datamedic@...> wrote:
I can think of one error that would result in what you measured... If the ground was connected to one side of the switches instead of the common, then that side would show voltage changes but the other side would never connect to ground. You may want to verify that the connector end is wired correctly.

With all three lines disconnected, power up the system. One line should be at ground, it should be the common connection of the switches. The other lines should be near Vcc.

Let us know what you find out!

Bob, N3FM



On May 19, 2018 3:48 PM, "John" <vk2eta@...> wrote:
Since you can upload the software, the USB connection is working and I specifically used the same baud rate as the upload to avoid any speed issue on the serial link.?

I re-downloaded the diagnostic software from the files section to make sure, and it works on my unit.

So I can't see where the problem is coming from.

Here are two screenshots of what to expect.

Screenshot one shows the main menu displayed at serial monitor launch, and after sending a "2" for the "Input tests".


Screenshot two shows the display when turning the encoder up and down.

Please note that in the main menu only options 1 and 2 are currently working.

73, John (VK2ETA)

Re: Low Power Output for Hendricks BitX20A - Watt meters and Scope readings do not agree.... #bitx20

 

I also have the Hendrix Bix 20. ?I think I measured 70vPP on the scope, but my QRP kits dummy load read about 7 watts (with the dC voltmeter method.
I also measure about 7-8 watts output on my antenna tuner. ?
I used to get more output (as measured by current when tuning up so may have fried something) but people say the signal sounds good and Im getting out ?(1500 miles), so havnt gone after the?
problem yet.
Andy ?KM4TRT
67281 - 67300 of 117030