Threshold

Think of the threshold as a toll booth. When the signal passing through a circuit reaches it, the threshold decides whether or not it can continue. Use it to make any sensor Bit (like a temperature sensor) into a trigger Bit!

How It Works

The threshold is a minimum parts count design, using only a single opamp to compare the input signal to an onboard reference that is set via the potentiometer control. U1 is configured as a non-inverting comparator with approximately 100mV of hysteresis provided by R1 and R3. VR1 provides the comparator's reference. C1 is a bypass capacitor for U1 that sources current to the opamp during fast switching events.

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Inventions

With The Threshold Bit

• Enable An Event Trigger For A Legecy Smart Home Devic's Indicator Lights

             BY JFJOHNSON

          Don't replace your pre-Internet-of-Things "smart home" devices! You can bring them into the...

• Disney Movie Tangled Illumination

             BY MAKENZIEDUPONT

           I used traditional art and automative manufacturing to create a scene from the Disney movie...

• Garage Door Reminder V2 (Reinvent)

              BY NITHIN

            My dad occasionally forgets to close the garage door when he leaves the house.  In the

• La Lamp - By Merec & Ton

             BY DRIBESLLADOS

           Un llum decoratiu fet per la Mercè i en Ton en el taller del Maker en Família...

• Seashore Soundwaves

              BY F.J2

            This project demonstrates the awesome possiblities of our LittleBits modules. We create the...

• Making A "Color Sensor" Using Reflection Of Light

             BY CFSL

          We're using the light sensor to distinguish between colored marbles and white marbles....