This Bitcoin Price Tracking Traffic Light Isn’t Just A Red LED — Hackaday

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Quick, what’s the price of Bitcoin? Is it lower today than yesterday? Are you overdrafting your Lamborghini account? What if you had an easy way to tell at a glance how much you could have made if you sold in December of last year? That’s what this Bitcoin price tracking traffic light is all about, and it’s a great use of existing electronics. The hardware for this build is a traffic light table lamp available on Amazon for twenty bucks. Inside this traffic light, you get a PCB with three LEDs and a small microcontroller to control the LEDs. The …read more

via This Bitcoin Price Tracking Traffic Light Isn’t Just A Red LED — Hackaday

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