Using a 4046 PLL we found this circuit in the December 1989 issue of Radio Electronics magazine. The circuit operates at 220kHz, but this frequency can be changed by changing C3.
This oscillator produces short duration pulses using a PUT. The circuit is from a Radio...
This is a one-channel application for the Texas Instruments TMP390 sensor obtained directly from...
With this circuit you can control up to 3 A of LEDs in different sequences, using a PWM...