Suggested by an American documentation from the 90s, this circuit generates signals with frequencies determined by the capacitors and calculated by the formula next to the diagram.
Indicated for activation by microcontrollers, this circuit was found in the Radio Electronics...
November 2016 - The new OLED modulator for displays with 2 x 16 format can be obtained from Mouser...
This interesting circuit for the RDA8851 allows you to obtain two volumes with a simple touch. The...