Found this webpage for DIY lead acid batteries. and thought it might be interesting. In special the book from 1922 on the page is a goldmine for everybody interested in the topic.
Here the direct link to the detailed table of contents.
I remembered that I have seen old battery assemblies...
Here in Florida, Johannesburg my LTE stick tries to connect to this network:
Network: 655 14 4G
which seems to kick out the MTN 4G I usually use.
It is listed as "allowed" but provides only "limited service"
Now MCC 655 is South Africa but MNC 14 is not assigned to any provider what...
How reliable are the post offices in Lesotho and Botswana? Are they affected by SAPO issues in regards of international mail? Speed and theft are the main issues I would need to know.
As SAPO is out of question for known reasons I am contemplating to find a mail aggregator/customs agent in...
It is so simple that I asked myself if I should post it at all but there is no information on this device on the board and it took me some time nevertheless to figure out how it is done.
Some technical stuff first: The K5008-Z is a rebranded ZTE MF823. This is no modem in the common sense but...