Hobbykit Ltd

Color Music Device with 9 LEDs - HK1045

The color music device is fully implemented using transistors. Transistors T1 and T2 operate as a microphone preamplifier, with microphone sensitivity adjustable via a trimmer. The audio signal is di..

0.00 €

NiCd Battery Charger - HK1050

NiCd rechargeable batteries are widely used because they are manufactured in standard sizes compatible with regular batteries. For proper operation, they must be periodically removed from the device a..

1.18 €

12V 3A Power Supply with Battery Charging - HK1051

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..

4.55 €

DC/DC Converter 1A LM2575T - HK1052

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..

2.30 €

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 €

Two-Station Intercom - HK1070

The intercom is based on the LM386 integrated circuit, which operates as a low-frequency audio amplifier and amplifies the signal from an electret microphone. The device enables two-way voice communic..

6.54 €

5V DC 1A Voltage Regulator 7805 - HK1091

The module is designed for rectifying, filtering, and stabilizing AC or DC voltage. It is based on the linear voltage regulator 7805 and provides a stable 5 V DC output. The module is suitable for po..

1.64 €

9V DC 1A Voltage Regulator 7809 - HK1092

The module is designed for rectifying, filtering, and stabilizing AC or DC voltage. It is based on the linear voltage regulator 7809 and provides a stable 9 V DC output. The module is suitable for po..

1.64 €

12V DC 1A Voltage Regulator 7812 - HK1093

The module is designed for rectifying, filtering, and stabilizing AC or DC voltage. It is based on the linear voltage regulator 7812 and provides a stable 12 V DC output. The module is suitable for p..

1.64 €

Transistor, Diode and Circuit Tester - HK1101

The device is built around a single CMOS integrated circuit 4093 and functions as a universal tester for transistors, diodes, and electrical circuits. When testing transistors, the emitter, base, and..

1.74 €

Cable Tester - HK1105

The cable / wire tester is designed for continuity testing of two or more wires installed in buildings, electrical installations, or machines. The device is based on the LM324 integrated circuit, whi..

2.66 €

Photorelay - HK1107

The photo relay is designed for automatic switching of lighting when ambient light levels decrease (at dusk). A phototransistor S1 is used as the light-sensitive sensor. The integrated circuit U1D op..

3.40 €

Thermostat 5-30°C - HK1109

The thermostat is designed for automatic temperature control and regulation within a range of 5 to 30°C by switching heating elements. The device is based on the LM324 integrated circuit, which conta..

3.55 €

Liquid Level Controller (Level Meter) - HK1111

The liquid level controller is designed for automatic monitoring and control of liquid levels in tanks and containers using probe sensors. The device operates with three control levels - low, medium,..

4.47 €

Temperature Controller (1000W max.) - HK1201

The temperature controller is designed for automatic temperature regulation by switching electrical loads with power up to 1000 W. The device is based on the 723 integrated circuit and is powered dir..

4.47 €