@murray, i did tests with CD4011, HEF4011 and HCF4011 today. It works on 2k and 3k, but not on 1k. Тhe latest version of Baryon sweeper also doesn't work at 1k. I guess there is a problem with keys or code. And the power supply must be exactly 3.6 - 3.7 volts!
We are the result of your laws.
We are the result of your democracy.
We are the result of your corruption.