voltage

A recently donated collection of SMD components included regulators, resistors and capacitors. Some interesting links arising from these are:
ti mirror controls

pdf
80c552 demo board 5 leg regulator
tantalum-capacitors smd


series result 3.70
series result 7.40
series result 11.10
series result 14.80
series result 18.50

Use LiIon source 7.40 to produce Vreg 5.00 output

Use LiIon source 11.10 to produce Vreg 5.00 output
Use LiIon source 11.10 to produce Vreg 6.00 output
Use LiIon source 11.10 to produce Vreg 8.00 output
Use LiIon source 11.10 to produce Vreg 9.00 output

A recent adventure into investigating the status of laptop batteries took me down the path of GUI to display the charging situation. Here is a graph of the result.