Density of Various Liquids (at 20º C) (IP073E)

Details: Written by: Newton C. Braga

Circuit Bench

Stereo Amplifier (CB18523E)
This good quality stereo amplifier was found in a Japanese publication from the 1960s. The circuit...
LED PC Interface (CB15032E)
This circuit allows you to use the parallel PC interface to control LEDs. The circuit was found in...
SCR Visual alarm (CB24128E)
This circuit, with printed circuit board, is from an article in Radio Electronics magazine from...