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Just had put in? the allard software? and was making an adjustment on the calibration.?
I had not put in a calibration switch so I was touching the red wire to ground. After a few trials I inadvertently touched it to the 13v input. The display stayed on for a second then then got crinkled and stopped displaying data.

It had blown the nano. I had a new nano in my drawer so I cut off the original nano and pulled the pins one at a time. To make it easier to swap. I put in a socket on the driver board. Mounted the new nano to the other side and soldered the pins on the opposite side so that the orientation was maintained.?

I like this version of the firmware. I put in switch to calibrate the frequency, no more poking a bare wire into the power supply connection. I also added a function switch.

On Thu, Apr 26, 2018 at 06:52 am, <davesters@...> wrote:

I like this version of the firmware. I put in switch to calibrate the frequency, no more poking a bare wire into the power supply connection. I also added a function switch.

Glad you like the software!
Actually with this software you no longer need the red 'calibrate' wire (or switch) at all. The same calibrate function can also be accessed via the SETTINGS menu (keep the Function Button pressed for 3 seconds):

?? SETTINGS menu:
?? 1 short press: Set the 4 scan parameters (lower limit, upper limit, step size, step delay)
?? 2 short presses: Set the 6 CW parameters (key type, auto-space, touch sensitivity, semi-QSK on/off, QSK delay, sidetone pitch)
?? 3 short presses: LSB calibration
?? 4 short presses: USB calibration
?? 5 short presses: Set VFO drive level in LSB mode
?? 6 short presses: Set VFO drive level in USB mode
?? 7 short presses: Set tuning range parameters (minimum dial frequency, max dial freq, tuning pot span)
?? long press: exit SETTINGS menu - go back to NORMAL menu

73 Allard PE1NWL

Thank you so much for the concise list of instructions. I had most of it figured out but obviously had not figured out that I didn't need need the red wire.

I actually blew out a second arduino when I touched the function button with the unit turned off. Must have had a cap discharge, the display went on for a second and the second nano quit.?

As a precaution I put a 1k resistor between the ground and the function switch.?

I think I am going to increase the delay in the stepping. So I can keep up with it better. Would like to try a ten turn pot.?

Am learning ditties so that will be implemented later on.?
Regards?
Dave
K0MBT

On Thu, Apr 26, 2018 at 10:13 am, <davesters@...> wrote:

I think I am going to increase the delay in the stepping. So I can keep up with it better.

You can easily increase the delay at line 70:

49// Function Button
#define CLICK_DELAY 1500????????? // max time (in ms) between function button clicks