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Re: Bourns Encoder for Pocket Tutor
I have a Begali Simplex Mono, Palm single and J-38 Ken
By Ken WB2ART · #190 ·
Re: Bourns Encoder for Pocket Tutor
Here are side views Ken
By Ken WB2ART · #189 ·
Re: Bourns Encoder for Pocket Tutor
Thanks Ken WB2ART, What does it look like with all the layers together, including the battery pack layer? Aren't there something like three layers? Can you take a snapshot of a side view? What kind of
By Ken KM4NFQ · #188 ·
Re: Bourns Encoder for Pocket Tutor
Hi Ken I've attached 2 pics. Ken WB2ART
By Ken WB2ART · #187 ·
Re: Bourns Encoder for Pocket Tutor
Thanks Ken WB2ART, I believe you are the first one to build a Pocket Tutor besides Bruce W8BH? That information will certainly be helpful to others who build it. I would like to see a snapshot of your
By Ken KM4NFQ · #186 ·
Bourns Encoder for Pocket Tutor
In my last post, I had the incorrect number for the encoder. The correct p/n is: PEC11R-4215K-S0024-ND The JST battery connector and short female headers can be ordered from Adafruit. Ken WB2ART
By Ken WB2ART · #185 ·
Some notes on the Pocket Tutor build
The encoder Bruce used is oot of stock at Digikey. I used this one: -------------------------------------------------- ROTARY ENCODER MECHANICAL 24PPR ?PEC11R-4225F-S0024-ND? It works fine. Since
By Ken WB2ART · #184 ·
Re: Annotated pcb for Pocket Tutor
Hi Ken Well, the pcb's were $23.40, as I used DHL express shipping at $17.50. (I do have 2 pcb's I'd want to sell). The speaker volume is a bit low, not at all like the original morse tutors. But the
By Ken WB2ART · #183 ·
Re: Annotated pcb for Pocket Tutor
Hello Ken W*2ART, That looks very helpful Ken. Thanks for making it. I have never worked with an SMD speaker before. How does it sound? Also, since you are one of the first ones to complete a
By Ken KM4NFQ · #182 ·
Annotated pcb for Pocket Tutor
When I built the Pocket Tutor, I had never worked with? mcu's, audio chips and speakers. So I have attached an annotated pcb just to assist if your confused on part orientation, like I was. Ken
By Ken WB2ART · #181 ·
Re: W8BH Pocket Tutor
Yes, the speaker is smd. It has contacts on the side. Pretty easy to desolder, if you can get underneath it, which I did. Ken
By Ken WB2ART · #180 ·
Re: W8BH Pocket Tutor
Hello Ken WB2ART, That Pocket Tutor looks great! I'm glad to hear that you were able to fix the small mistakes made while building it. Is the speaker an SMD component? Regards, Ken, KM4NFQ "Not Fully
By Ken KM4NFQ · #179 ·
W8BH Pocket Tutor
*Hi guys. I finished the Pocket Tutor this morning. The Pocket Tutor software works great. I did make a change to the defaults. Changed the default code speed to 21, the default call to my call and
By Ken WB2ART · #178 ·
Re: W8BH pocket tutor--has anyone bought pc boards or made a 3D enclosure?
Hi Jim I have 3 extra boards. How many do you need? 73 Ken Kaplan WB2ART
By Ken WB2ART · #177 ·
W8BH pocket tutor--has anyone bought pc boards or made a 3D enclosure?
I am wondering if anyone on the list ordered and received any pc boards for Bruce's pocket tutor and would be willing to share? Also has anyone found or made a 3D case for it?? If so,? are the 3D
By Jim Pruitt WA7DUY · #176 ·
How to configure Arduino for the Blue Pill
A few people have asked me how to configure Arduino IDE for the Blue Pill and other STM32 microcontrollers. I am not an Arduino expert, but here are some instructions for anyone interested:
By Bruce Hall · #175 ·
Re: New software to the Old Tutor
A slow screen update is often from using a wrong library. For example, if you compile using the "official" STM32 board package, the display is about 10x slower than if you use Roger Clark's code. I
By Bruce Hall · #174 ·
New software to the Old Tutor
Hello Bruce Now I have picked up your new software for the ¡¯old¡¯ tutor. And it¡¯s seems to Work fine. I can change colours and preselect the wanted exercise . Very nice. But I find that the
By John Kristiansen · #173 ·
Re: Morse tutor
Thanks Bruce. Good information. On my displays, there is a driver transistor, Q1, a J3Y = S8050, with a 1k resistor at the base, and the other end of the resistor to the LED pin. So that must be the
By John Kristiansen · #172 ·
Re: Morse tutor
Hello John, Nice to hear from you again! I have all of the software on GitHub. I updated the software for the 'old' tutor, which is here: https://github.com/bhall66/morse-tutor/tree/master/MorseTutor
By Bruce Hall · #171 ·