Mini PIR Sensor with Time and Sensitivity Control - BS612

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BS612 compact PIR motion sensor with snap-on lens, 3.3V supply, configurable sensitivity, output-enable, and adjustable on-time. Six-pin footprint with direct GPIO output.

Logical pinout · physical placement not verified

SENSEpin-1
Pin #1 SENSE. Adafruit product page says connect SENSE to ground for most sensitive mode. Source: https://www.adafruit.com/product/5578
Type · ControlVoltage · 0V to VDD sensitivity reference per product page/datasheet note
OENpin-2
Pin #2 OEN. Output enable; Adafruit says connect to 3.3V to enable output. Source: https://www.adafruit.com/product/5578
Type · ControlVoltage · 3.3V enable
VSSpin-3
Pin #3 VSS ground. Source: https://www.adafruit.com/product/5578
Type · GroundVoltage · 0V
VDDpin-4
Pin #4 VDD supply. Source: https://www.adafruit.com/product/5578
Type · PowerVoltage · 3.3V
RELpin-5
Pin #5 REL digital motion signal output. Adafruit says check signal on pin #5 REL and output is 3.3V high/low. Source: https://www.adafruit.com/product/5578
Type · GPIOVoltage · 3.3V logic high/low
ONTIMEpin-6
Pin #6 ONTIME. Timing control; Adafruit says ground gives about 2 seconds, VDD gives up to one hour via resistor divider. Source: https://www.adafruit.com/product/5578
Type · ControlVoltage · 0V to VDD timing control

Pin	Position	Type	Function	Voltage
SENSE	pin-1	Control	Pin #1 SENSE. Adafruit product page says connect SENSE to ground for most sensitive mode. Source: https://www.adafruit.com/product/5578	0V to VDD sensitivity reference per product page/datasheet note
OEN	pin-2	Control	Pin #2 OEN. Output enable; Adafruit says connect to 3.3V to enable output. Source: https://www.adafruit.com/product/5578	3.3V enable
VSS	pin-3	Ground	Pin #3 VSS ground. Source: https://www.adafruit.com/product/5578	0V
VDD	pin-4	Power	Pin #4 VDD supply. Source: https://www.adafruit.com/product/5578	3.3V
REL	pin-5	GPIO	Pin #5 REL digital motion signal output. Adafruit says check signal on pin #5 REL and output is 3.3V high/low. Source: https://www.adafruit.com/product/5578	3.3V logic high/low
ONTIME	pin-6	Control	Pin #6 ONTIME. Timing control; Adafruit says ground gives about 2 seconds, VDD gives up to one hour via resistor divider. Source: https://www.adafruit.com/product/5578	0V to VDD timing control

Logical pinout · physical placement not verified

Pin details

6 connections

SENSE
Pin #1 SENSE. Adafruit product page says connect SENSE to ground for most sensitive mode. Source: https://www.adafruit.com/product/5578
ControlVoltage · 0V to VDD sensitivity reference per product page/datasheet note
pin-1
OEN
Pin #2 OEN. Output enable; Adafruit says connect to 3.3V to enable output. Source: https://www.adafruit.com/product/5578
ControlVoltage · 3.3V enable
pin-2
VSS
Pin #3 VSS ground. Source: https://www.adafruit.com/product/5578
GroundVoltage · 0V
pin-3
VDD
Pin #4 VDD supply. Source: https://www.adafruit.com/product/5578
PowerVoltage · 3.3V
pin-4
REL
Pin #5 REL digital motion signal output. Adafruit says check signal on pin #5 REL and output is 3.3V high/low. Source: https://www.adafruit.com/product/5578
GPIOVoltage · 3.3V logic high/low
pin-5
ONTIME
Pin #6 ONTIME. Timing control; Adafruit says ground gives about 2 seconds, VDD gives up to one hour via resistor divider. Source: https://www.adafruit.com/product/5578
ControlVoltage · 0V to VDD timing control
pin-6

Start wiring

Analog · I2C · UART · 3.3 – 5 V · Breakout

Verify supply voltage and logic levels before powering up.

Module pins: VDD, VSS. Schematik maps them to your board in the app.

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Pinout