Hello,I just want to ask for confirmation if I buy a new one do I
have to reprogram it? or does not need planning?
thanks in advance
was your issue resolved?thanks both for your interesting answers
I have check the power supply
this is the easy way
just in my case there are two pcb circuits and the two have microcontrollers and i dont know which from two has the problem
this is the link with the pdf file http://www.artschip.com/pdf/HT1668.PDF
from your experience if i have vdd voltage must the two digit of seven segment of my device light ? or is there a way from the manual to check if the
ht 1668 has fault
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