Showing 1–12 of 40 results

1050 – WHOPPER ALARM FOR HOME BUSINESS AND CAR Online now

Original price was: $18.95.Current price is: $9.47.
1050 – WHOPPER ALARM FOR HOME BUSINESS AND CAR This is a great alarm device for any alarm control circuit.

1094 – HOME/SHOP ALARM SYSTEM Online

Original price was: $39.95.Current price is: $15.98.
1094 – HOME/SHOP ALARM SYSTEM A very good alarm system for houses and shops with professional specifications. It has adjustable

1221 – GAS LEAKAGE SENSOR ALARM Discount

Original price was: $69.95.Current price is: $27.98.
1221 – GAS LEAKAGE SENSOR ALARM This 230Vac mains powered gas leakage sensor will detect propane, butane (LPG) and natural

1424839 – PIR MOTION SENSOR IP:4.5-20V Hot on Sale

Original price was: $6.95.Current price is: $3.48.
1424839 – PIR MOTION SENSOR IP:4.5-20V Mini IR Pyroelectric Infrared PIR Motion Human Body Sensor Detector Module Infrared sensor with

2045-HA1 – ALARM KIT DIY TOUCH VIBRATION INDUCTION COMPONENTS Online now

Original price was: $7.95.Current price is: $3.98.
2045-HA1 – ALARM KIT DIY TOUCH VIBRATION INDUCTION COMPONENTS This product is actually shipped as a loose part not a

2045-MA3B – PIR MOTION SENSOR IP:4.5-20V Online now

Original price was: $6.95.Current price is: $3.48.
2045-MA3B – PIR MOTION SENSOR IP:4.5-20V MFR. No. : 2045-MA3B STOCK No. : 2045-MA3B

38823N – ALARM KIT-BUILD ELECTRONIC SCIENCE ALARM NEED 2XAA BATTERY Fashion

Original price was: $12.95.Current price is: $6.47.
38823N – ALARM KIT-BUILD ELECTRONIC SCIENCE ALARM NEED 2XAA BATTERY Stock Status: Limited Stock MFR. No. : 38823NSTOCK No. :

6MPIR – MOTION SENSOR PIR 4.5V USED WITH USB5M-LT+PIR MODULE Online Hot Sale

Original price was: $11.95.Current price is: $5.97.
6MPIR – MOTION SENSOR PIR 4.5V USED WITH USB5M-LT+PIR MODULE Stock Status: Limited Stock MFR. No. : 6MPIRSTOCK No. :

80-101 – HOME/CAR ALARM Online Sale

Original price was: $9.95.Current price is: $4.97.
80-101 – HOME/CAR ALARM This circuit is an alarm for the home or car door and a lot more. It

80-200 – ULTRASONIC MOVEMENT DETECTOR Online

Original price was: $53.95.Current price is: $21.58.
80-200 – ULTRASONIC MOVEMENT DETECTOR The circuit uses a matched pair of 40Khz transducer elements to detect movement out to

80-290 – ELECTRONIC COMBINATION LOCK Hot on Sale

Original price was: $19.95.Current price is: $9.97.
80-290 – ELECTRONIC COMBINATION LOCK This really is an excellent introduction to electronic security systems. Set your own four digit

80-300 – PIR MOVEMENT DETECTOR Online now

Original price was: $31.95.Current price is: $12.78.
80-300 – PIR MOVEMENT DETECTOR One of our favorite circuits. The circuit sees infrared heat such as from an intruder’s