Alarms & Security
Car Alarm System - HK1005
The car alarm system is implemented using a single CMOS integrated circuit, with very low current consumption in standby mode. The small number of capacitors used contributes to increased operational ..
2.05 € (4.01 ЛВ.)
Home Alarm System with Siren - HK1006
The home alarm system is a simple and reliable security system with a two-tone siren. It is implemented using a single CMOS integrated circuit. The device operates with a stabilized supply voltage in..
2.81 € (5.50 ЛВ.)
Emergency Siren - HK1017
The device is an electronic Emergency type siren implemented entirely with discrete components. Two transistors form a clock generator with adjustable frequency, while another two transistors are used..
1.94 € (3.79 ЛВ.)
US Police Siren - HK1018
The device is an electronic “US Police” type siren implemented entirely with discrete components. Two transistors form a clock generator with adjustable frequency, while another two transistors are u..
1.94 € (3.79 ЛВ.)
Italian Police Siren - HK1019
The device is an electronic “Italian Police” type siren implemented entirely with discrete components. Two transistors form a clock generator with adjustable frequency, while another two transistors ..
1.94 € (3.79 ЛВ.)
Two-tone Siren - HK1020
The device is a two-tone electronic siren implemented using a single NE556 integrated circuit, which contains two 555 timers. The timers operate as multivibrators. The first timer generates a clock si..
2.94 € (5.75 ЛВ.)
Electronic Melody Doorbell - HK1034
This device is an electronic melody doorbell based on the NE555 integrated circuit, operating as a dual-frequency generator. One tone is generated when the button is pressed, and a second tone is gene..
2.17 € (4.24 ЛВ.)
Electronic Door Bell - HK1055
The electronic door bell is based on the LS1240A integrated circuit and is designed for use in standard door bell installations. The sound frequency is determined by components R1 and C3. Diodes D1 a..
2.71 € (5.30 ЛВ.)
Car Alarm System 2 - HK1301
The car alarm system is based on a Microchip microcontroller and is designed to protect vehicles against unauthorized access. The system features two security zones - a door zone and a shock sensor z..
0.00 € (0.00 ЛВ.)
Home Alarm System - HK1305
The home alarm system is based on a Microchip microcontroller and is designed for protecting residential properties, offices, and small premises. The system features two security zones and a panic bu..
0.00 € (0.00 ЛВ.)
Melody Doorbell with Four Melodies - HK1310
The melody doorbell is based on a Microchip microcontroller and features four different melodies that are played sequentially with each press of the button. The melodies are preprogrammed into the mi..
3.99 € (7.80 ЛВ.)
Two-tone Siren - HK512
The device is a two-tone electronic siren implemented using a single NE556 integrated circuit, which contains two 555 timers. The timers operate as multivibrators. The first timer generates a clock si..
4.42 € (8.64 ЛВ.)
Car Alarm System 2 - HK1551
The car alarm system is based on a Microchip microcontroller and is designed to protect vehicles against unauthorized access. The system features two security zones - a door zone and a shock sensor z..
0.00 € (0.00 ЛВ.)
Home Alarm System - HK1552
The home alarm system is based on a Microchip microcontroller and is designed for protecting residential properties, offices, and small premises. The system features two security zones and a panic bu..
0.00 € (0.00 ЛВ.)
Code Alarm System - HK1585
The HK1585 alarm system is designed for premises protection and is based on a Microchip microcontroller. The device is a fully assembled module suitable for building standalone security systems. The ..
17.36 € (33.95 ЛВ.)