Bq26601 3 A Battery Charger

July 2017 - Texas Instruments' new 3 A bq25601 single cell battery charger can be found on Mouser Electronics.

Phase difference meter (CB7277E)
Found in 90's Electronic Engineering this circuit can be used to measure phase angles between two...
1 Minute to 20 Hour Timer (CB12118E)
This circuit was obtained in a 1979 publication but can still be easily assembled today by...
15 kHz tone detector (CB20902E)
This circuit was found in an Electronics Now from the 80's. The frequency depends on the...