Found in 90s Radio Electronics, this small transmitter has a good range. L1 is formed by 3 + 3 turns of wire 24 around a pencil as a reference.
Toshibas IC Brushless Motor Drivers Toshiba offers through Mouser Electronics a broad range of...
This circuit was found in an American magazine 73 for radio amateurs of the 80s. It is an...
This sophisticated repellent uses a double 555. We find it in an American documentation from the...