This circuit was found in an Electronics World of 1968. The transistor can be any general purpose and the double T must be set to R3 for the desired effect.
This simple indicator circuit was found in a documentation from the 90s. Trimpots can have values...
This circuit provides two outputs of the same signal. One with the original phase and the other...
January 2017 – The bq35100 integrated circuit, a charge monitor and EOS for non-rechargeable...