Found in a 90’s Popular Electronics, this circuit generates sinusoidal signals with frequency controlled by an input signal. C4, C3 and C1 together with R12 and R3 determine the frequency generated.
This circuit causes a set of LEDs to flash sequentially in a move that is modulated by the audio...
This Siliconix circuit was found in a 1980s documentation. The coil consists of 18 turns of 22...
Silicon Labs CSP Package EFM32™ Leopard Gecko 32-Bit MCUs are part of the world's most energy...