RWB
February 3, 2019, 2:34pm
1
@mohit Came across your Numitron Clock build and wanted to see if you are willing to share the pcb design files, I would love to build one of these using a Photon.
A video of the Numitron clock in action. The naturally slow refresh rate of the filaments is very soothing. pic.twitter.com/P1fybwcLGR
— Mohit Bhoite | मोहित भोईटे (@MohitBhoite) January 28, 2019
!
3 Likes
mohit
February 19, 2019, 3:41pm
2
Hello @RWB
I have added the design files here: https://github.com/mohitbhoite/numitron-driver
Please feel free to modify/ re-share as you deem fit.
Regards,
1 Like
RWB
February 19, 2019, 3:58pm
3
@MohitB Awesome! Thanks for sharing!
Did you use a particular library for the controlling the chips? Or can you share the code also?
Your projects are really cool and I check in on your Twitter page to keep up with what you are doing every now and then.
Keep up the good work!
mohit
February 27, 2019, 8:56pm
4
Thanks!
Here is a code that I had cobbled together. Plenty of room to optimize here.
(I’m using the MAX7313 library along with the RTClib.)
numitron-clock.cpp
#include <RTClib.h>
#include <Adafruit_DotStar.h>
#include <MAX7313.h>
#include "Wire.h"
#if defined(ARDUINO_ARCH_SAMD)
// for Zero, output on USB Serial console, remove line below if using programming port to program the Zero!
#define Serial Serial
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RWB
February 27, 2019, 10:59pm
5
Appreciate the code!
Where did you pick up those tubes? They look nice and clean and I’m looking for the same quality if I can find them.
mohit
February 28, 2019, 12:01am
6
Just got them from Amazon. I was too impatient for eBay at that time.
RWB
February 28, 2019, 12:07am
7
Sweet!
Thanks for saving me the time of searching for a good set of tubes.
1 Like
Hello @mohit
I have looked at the schematic for the Numitron Clock that you provided on GitHub, but the values of the resistors and capacitor are not shown.
I found the MAX7313ATG+ on Mouser and would like to confirm that this is the correct one?
[https://au.mouser.com/ProductDetail/700-MAX7313ATG ]
To begin with, I would like to build one using a Photon 2 and a single tube like this but it is difficult to see where the jumpers go.
(https://www.instagram.com/p/Borh-CmAiKb/ )
Thank you in advance