CY3236A-PIRMOTION Cypress Semiconductor Corp, CY3236A-PIRMOTION Datasheet - Page 7

• Manufacturer Part Number: CY3236A-PIRMOTION
• Description: KIT PIR MOTION DETECT
• Manufacturer: Cypress Semiconductor Corp
• Series: PSoC®r

Specifications of CY3236A-PIRMOTION

• Design Resources: PIR Motion Sensor Board BOM
• Sensor Type: Motion, PIR (Pyroelectric Infrared)
• Interface: Relay
• Sensitivity: Adjustable
• Voltage - Supply: 12V
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: CY8C27443-24PVXI
• Processor To Be Evaluated: CY8C27443
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Sensing Range: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Not applicable / Not applicable
• Other names: 428-2022; CY3236A-PIRMOTION

2.2.3 J3 – AC Terminal Block
Connect a small AC powered device to this terminal block to be controlled by the relay. Such a device would
include a small, low watt incandescent light bulb.
CAUTION: Due to exposed pins on the back side of the board, connect no more than 24 volts AC to this
terminal block.
2.2.4 J4 – Ambient Light Detect Enable
Open – Disables ambient light detection.
Closed – Enables ambient light detection. This feature allows for detection of ambient light when the board is in
a dark environment. This also causes ambient light detection to override the infrared sensing of the PIR sensor.
2.3
Using the Evaluation Board
2.3.1 Firmware
An example firmware project, which can be found on the documentation CD, is included in this kit. This
firmware project is developed to demonstrate the use of PSoC in conjunction with Glolab’s PIR325 Pyroelectric
Infrared Sensor. The board is preprogrammed with this firmware out-of-box.
2.3.2 Setup
To begin using this evaluation board, provide power to the board using the supplied 12V power adapter. After
powering the board on, wait a few moments for the firmware to initialize. Upon initializing, the relay, K1, will
begin switching as you move your hand in front of the PIR sensor. Adjust the relay “on” time by turning the
potentiometer, R7, so that the relay remains on for longer periods.
There are LEDs on the board to indicate relay activity and motion detection. D7 will light when the PIR device
senses motion. LEDs D5 and D6 are not used with the firmware included with this kit, however, you can
configure them using firmware. D2 is configured to indicate the relay’s on/off activity.
The evaluation board is also equipped with an ambient light sensor, D4. Not only does it sense infrared
wavelengths, the board can sense ambient light. When enabled, the presence of ambient light can override the
Pyroelectric Infrared Motion Sensor Kit Guide
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