This passive infra red (PIR) motion detector circuit uses a PIR sensing element, movement detector IC and light dependent resistor (LDR). It provides an optimised circuit that will detect motion up to 6 metres away and can be used in burglar alarms and access control systems.
The user can adjust Daylight Sensitivity, PIR Sensitivity and On-Time by means of three onboard trimmers. A 30 second Exit Delay is available via the Toggle Output. The Output can drive small DC loads (up to 50mA) like a bell, buzzer, siren, relay (e.g. Order Code 8043 or 1168 or CI001), opto-coupler (e.g. MOC3021), etc.
The PIR sensor and Fresnel lens are fitted onto the solder side of the PCB. This enables the board to be mounted inside a case with the detecting lens protruding outwards, whilst still allowing easy access to the controls inside the case.
Please note that the KC778B Movement Detector IC is now a COB (Chip-On-Board) format already fitted to the printed circuit board and therefore does not need to be soldered. The other components remain through hole.Specifications
|Operating voltage||Regulated 9-12Vdc|
|Operating Current||~25mA (standby ~5mA)|
|Board Dimensions||50x78x30mm approx|
|On-Time Delay||1.5 - 25 Seconds approx.|
|Board Connections||Screw terminal blocks|
|Product Formats||SELF-ASSEMBLY Electronic Kit (KT) or|
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
RB200B PIR Sensor Datasheet
Fresnel Lens Datasheet
KC778B Movement Detector IC Datasheet
LDR CdS Sensor Datasheet
PIR416 fully assembled 12Vdc powered mini PIR Motion Detector module provides automatic day/night identification, adjustable light sensitivity (3-2000 Lux) and ON-time (5 Sec-8 Min). 8m detection range...
3076 is a fully assembled and tested Passive Infra Red (PIR) motion detector module measuring just 35x25x16mm as used in commercially made alarm systems...
This fully assembled 12V PIR Motion Detector module is just 27mm square and uses the latest SMT. It is similar to the 3076R PIR detector module that we sell but with the following differences:...
Adjustable 12Vdc ON-OFF cyclic timer modules with relay output allowing switching of any load up to 230Vac, 5A. Ideal for use in automation circuits, flashing or traffic lights, models, outdoor / indoor (hydroponics) crop growing, etc...
PIR sensor movement detector with relay output. The onboard mains rated relay is activated when movement is detected. The relay-on duration can be user-set between 1 second and 5 minutes, or it can operate in flop flop mode...
Handy little relay board with 5 Amp mains rated SPDT relay output. 6, 12 or 24 Vdc input voltage versions. Screw terminal blocks for connections...