Based on a 555, this 80's American documentation circuit detects the voltage of a battery and can then disconnect the charger. The transistor may be a general purpose type.
January 2017 - Texas Instruments' new 16-Bit SAR (Analog to Digital Converter) DC is available from...
I found this circuit in a 2005 Wireless World and it is ideal for driving high power white LEDs....
This article is from a publication by A. Fanzeres from the 70s. We kept the original text. Using a...