T-Slot Photo Interrupter
U-shaped plastic optical interrupter with an integrated IR LED and IR phototransistor across a slot gap. Output goes low when an object breaks the IR beam across the slot; no cable included.
Pinout
- VCC(+)
power input for the sensor logic/output circuit
Type · PowerVoltage · 5-24V logic circuit power - LL
IR LED configuration pad; Adafruit says to tie to VCC for normal use
Type · Control - OUTOUT
NPN open-collector phototransistor output; requires pull-up resistor to controller logic level
Type · GPIO - GND(-)
common ground
Type · GroundVoltage · 0V
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | (+) | Power | power input for the sensor logic/output circuit | 5-24V logic circuit power |
| L | L | Control | IR LED configuration pad; Adafruit says to tie to VCC for normal use | |
| OUT | OUT | GPIO | NPN open-collector phototransistor output; requires pull-up resistor to controller logic level | |
| GND | (-) | Ground | common ground | 0V |
Pin details
4 connections- VCC(+)
power input for the sensor logic/output circuit
PowerVoltage · 5-24V logic circuit power - LL
IR LED configuration pad; Adafruit says to tie to VCC for normal use
Control - OUTOUT
NPN open-collector phototransistor output; requires pull-up resistor to controller logic level
GPIO - GND(-)
common ground
GroundVoltage · 0V
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