Synthrotek 555 Timer PCB! And Kit!

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555, 555_timer, 555_oscillator, DIY, New 555 timer in stock! Our popular PCB has been revamped for easier assembly. It has a nice new look and can be built in no time! This circuit is useful for a variety of applications, from audio oscillators to controlling relays. Have fun with this versatile board. Assembly instructions coming soon!