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  1. Parts
  2. /Sensors
  3. /Environmental Sensors

Linear SoftPot (Ribbon Sensor)

OverviewPinoutWiringRelated groups
Linear SoftPot (Ribbon Sensor) — Adafruit — 178

Manufactured by Spectra Symbol, these are nice little ribbon controllers (also known as 'soft potentiometers') with an adhesive backing.There is a nominal 10K resistance across the two outer leads.

Offers

  • Adafruit

Offers

  • Adafruit

Pinout

  • End terminal A

    One outer lead of the SoftPot. Adafruit states there is nominal 10K resistance across the two outer leads and recommends connecting one side pin to ground via a 10K series resistor.

    Type · passiveVoltage · Use through series resistor; do not connect directly to ground or power, per Adafruit product page.
  • Wiper / middle pin2

    Middle pin resistance changes with press position on the strip. Adafruit states this is the pin to read as analogue voltage and that it floats when no pressure is applied.

    Type · analogVoltage · Reads approximately 1/3 Vcc to 2/3 Vcc in Adafruit example circuit.
  • End terminal B

    Other outer lead of the SoftPot. Adafruit recommends connecting the other side pin to Vcc via a different 10K series resistor.

    Type · powerVoltage · Vcc example 3V or 5V through series resistor; do not connect directly to ground or power, per Adafruit product page.
PinPositionType

Start wiring

SPI · Analog · Use through series resistor; do not connect directly to ground or power, per Adafruit product page. · Reads approximately 1/3 Vcc to 2/3 Vcc in Adafruit example circuit.

Verify supply voltage and logic levels before powering up.

Module pins: End terminal B, Wiper / middle pin. Schematik maps them to your board in the app.

Related groups

4 groups
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Temp and humidity

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Light and colour

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Parts tray full · 5 max · remove a part to add another
Function
Voltage
End terminal ApassiveOne outer lead of the SoftPot. Adafruit states there is nominal 10K resistance across the two outer leads and recommends connecting one side pin to ground via a 10K series resistor.Use through series resistor; do not connect directly to ground or power, per Adafruit product page.
Wiper / middle pin2analogMiddle pin resistance changes with press position on the strip. Adafruit states this is the pin to read as analogue voltage and that it floats when no pressure is applied.Reads approximately 1/3 Vcc to 2/3 Vcc in Adafruit example circuit.
End terminal BpowerOther outer lead of the SoftPot. Adafruit recommends connecting the other side pin to Vcc via a different 10K series resistor.Vcc example 3V or 5V through series resistor; do not connect directly to ground or power, per Adafruit product page.