This circuit causes an LED to flash at a frequency determined by the capacitor. The circuit is powered by only 3 V and can be used for signaling.
This type of circuit, even with the same configuration, appears several times on this site. The...
With this circuit it is possible to compare the values of two capacitors in the range of 100pF to...
Assembled with SMD components, this FM transmitter fits into a pen. We have already published a...