This analog frequency meter for low frequencies was found in Radio Electronics magazine from July 1958. The circuit has several scales with the frequencies indicated in the diagram.
This effect for guitar was found in an English magazine from 1978. The transistors can be the most...
The maximum current of this power supply is 2 A and the output voltage can be set between 6 and 24 V. The...
January 2017 - Texas Instruments' new 16-Bit SAR (Analog to Digital Converter) DC is available from...