Been working as Engineer in Bay Area for more that decade since 1999 spent time with many peoples and enjoy living in Bay Area.
Backed to Thailand since 2013, HOBBY ROBOT HAM radio project, IOT etc.
I am not sure that I can call myself as the MAKER or not but I love to make thing.
Updated on the PCB and schematic, I guessed this revision will be the final, I ordered PCB to China for 10 PCs and Hope everything will be ok not need to debug after that then I can move on to next project.
If I can build kit for the Low cost with modern Arduino that should be cheap and less than $40. PCB design sometime was easy and some time was pain and took too much time just to make sure the tiny trace made mistake from the auto-route algorithm. I used old version of Proteus software and I found that very easy to use that I learned from Youtube video tutoring.. So many PCB company around here in USA and in China. Express PCB will cost me around $70 for 10 only 2 side no silk screen compare to China cut the cost in half but I have more the layer and silk screen component,
I need PCB to be easy and perfect for beginner to build so that I try to use all the simple package that can be found at many of the electronic component store near by your area. I used the RJ-45 for the interface cable, This can be easy if you have Network cable laying around just cut one end and the other end can be used for plug in to the G-5500 or any motor controller that required the Active"low" , I have the spare option for someone already have LCD 14 Dual in line ribbon and 14 Single in line cable. I have both of them and I though might be useful if I can add both of them in the same PCB, so someone will not need to go buy extra or make the stupid cable for the difference type
My email:- k6xox at arrl dot net
THIS IS NOT THE BUSINESS , Just hobby I only have 10 PCBs to be builded which already sold OUT and I will not order or build PCB for this project anymore. I will move on to the next project in the future.
Completed Assembly with LCD 2x16
- Keypad (Option)
- LED display (option)
3 D of the top PCB component side
3D bottom side
Ordered PCB to China from July 20 and arrived on July 28 not bad and Perfect no error to debug.
put the component and power up worked as expected. Nice
FARS (Foothills Amateur Radio Society) have the old AZ-EL KR-400 and KR-500 rotor set that we used for Field day in every year, It was kind of rusty and dusty, I brought it to clean up then wash and then modified the bracket and adding relay because of there have the AC-24 voltage Motor and cannot be used with H-Bridge controller like DC-Motor.
After Tested with the new controller then I found that Original KR-400 has the scale which indicated North (0) at the center scale, it will confused the user if the Rotor turn from 0 to 360 Max then I start to modify the scale to match the real position.
SCALE Part :-
For the KR-400 to display 0 - 360 not the 180-0-180 as the original Kenpro designed then It need to scan the original scale and then cut and paste then move around the number of degree to have South as Center of the scale to match 0 volt and full scale as 5V then I used the Paint-Brush program to edit and print the actual size to match the scale plate.
(Final )South Centered scale for KENPRO- KR 400 Controller
Use the Mouse Right Click the "Save As" then open with MS-Paint brush program for printing.
Original KR-400 North Center Scale
Paint Brush program used for edit and Print to my Color laser printer. the hard part was print to be the same size as original scale, I did try the Window view print but it seems hard to control but if I use the Print-Brush program to print directly to printer then I got the right scale. that was some trick.
Removed the Panel Meter
then used the back-side of the scale aluminum plate to glue the new scale with my paper print-out.
All Done. Look like never has been modified :)
First, I want to use the solid-state relay or the "HEXFET" PVG612PDF from IR to controller AC motor but I checked price per part if I will order from Digikey or Newark around $8-$ +S&H and I will need 4 of them, well cost will be like $34 USD and since this is not the my controller and I build for my HAM Club so then non profit at all and need to be as conservative budget as perfect as I can then I found the many of my 12 V relays laying around my old component box so then I modified the relay board to be used for 2 Transistors which will receive active "LOW' level logic from my Arduino controller and the add 6 Volt 7806 for the POT encoder voltage because of the long cable dropped the voltage below 5V when it fully turn to maximum. All worked up pretty good, Need to do paint job with my Controller box (Powder Coating) . I was thinking about build the nice Kit for other Ham too, let see if I have time left.
Completed with Both AZ-EL box modification test and worked..
Serial Arduino board was used in this project due to unstable USB sometime on sleep never wake up not like direct serial port with MAX-232 pure and simple work as good as you need. ATMEGA328 chip become very cheap now a day, in the previous project that used 16F84 already obsolete and used Assembly language to program also too old to debug and LVB tracker that also used 16F876 also used very old C- compiler then I found the Arduino more fun to program and play as I can say that "even CAVE Man can do it" also I have seen 8 year old program Arduino then why not jump in and found how easy and so much function library that I can play. The Cost of the chip if you buy from Digikey or Newark $2.89 USD Blank no boot loader and I have programmer from $13 USd so I can do much more project as cheap as I need.
Feature :Remote controller with Small SONY Car radio Remote. Nice!!!
at the back of this controller that I used RJ-45 standard which can be used either one of them wiring as parallel and can be connect direct to DIN 8 connect to Yaesu 5500
Tested and work pretty goodwith My Arduino
I used RJ-45 because easy to find around me in my office and it free also have 8 wires which perfect and twist wire help to reduce the noise from AC motor as well. the hard part was cut the hole to match the square RJ-45 female in PCB inside. not pretty but it was not that bad.
2 relays added for controll 2 AC coils both direction.
Sheet Metal work at Tech-Shop made my work mush easier