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Signals can be found everywhere from your phone to your car. Wireless signals are transmitted across the globe. This kit utilizes the popular 555 Timer Chip to output 4 distinctive types of signal waves. Building this kit well teach you more about signals and how they can be made. A schematic is shown below to gain a better understanding of how the circuit operates. This kit comes with everything you need from the PCB down to the components. Recommended for anyone interested in signal processing and electronics.