Hobbykit Ltd
12V DC Relay Board - HK1285
The relay board is designed for controlling high-power electrical loads using a low-voltage control signal. The module is built around a 12 V DC electromagnetic relay, driven by a transistor and an o..
2.02 €
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 €
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 €
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 €
Time Relay 0 to 99 Minutes - HK1325
The time relay is based on a Microchip microcontroller and allows time setting in the range of 0 to 99 minutes. A dual seven-segment LED display is used to show the set and remaining time. Time input..
8.08 €
FM Radio Receiver 88-108 MHz - HK1400
The FM radio receiver is built using two integrated circuits - TDA7000, which functions as the FM receiver, and LM386, used as a low-frequency audio amplifier. Volume control is adjusted via potentio..
0.00 €
Stereo Audio Amplifier 2x10W - HK1500
The stereo low-frequency amplifier is implemented using a single integrated circuit TDA2005 (the use of TDA2004 is also possible, depending on availability). The amplifier is designed for amplificatio..
5.30 €
Audio Amplifier 20W - HK1501
The low frequency power amplifier is implemented using two TDA2003 integrated circuits connected in a bridge configuration. It is designed for amplification of low frequency audio signals and can be u..
4.05 €
FM Radio Microphone 88-108 MHz - HK1502
The device is a miniature radio transmitter operating in the FM band from 88 to 108 MHz. The circuit is implemented using a single transistor that amplifies and modulates the signal from an electret m..
0.00 €
Adjustable Voltage Regulator 1.2 to 30V / 1A - HK1505
The adjustable voltage regulator is built around the LM317T integrated circuit and is intended for stabilization and regulation of DC voltage. The output voltage is smoothly adjustable in the range f..
2.63 €
12V 3A Power Supply with Battery Charging - HK1506
The power supply is built using two LM317T integrated circuits and is designed to provide a stabilized 12 V output with battery charging capability. The output voltage is adjustable via a trimmer pot..
5.42 €
DC/DC Converter 1A LM2575T - HK1507
This module is a DC/DC step-down (buck) adjustable voltage converter based on the LM2575T integrated circuit. It is designed to supply electronic devices with current consumption up to 1 A. The conve..
3.00 €
FM Radio Receiver 88-108 MHz - HK1510
The FM radio receiver is built using two integrated circuits - TDA7000, which functions as the FM receiver, and LM386, used as a low-frequency audio amplifier. Volume control is adjusted via potentio..
0.00 €
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..
4.55 €
Mono LED VU Meter (12 LEDs) - HK1520
The HK1520 is a mono LED VU meter designed for audio signal level indication. It is built using discrete electronic components and is suitable for various audio projects where visual indication of sig..
6.95 €