Hobbykit Ltd
Audio amplifier 1W /TA7368P/
Audio amplifier, realized by one IC TA7368P. Output power - 1W. Power supply - 6 to 14V. Overall dimensions PCB 40х18mm. This kit is disassembled, requires assembly and soldering..
0.00 лв. (0.00€)
Stereo audio amplifier 2x10W
Audio amplifier, realized by one IC TDA 2005. - Output power - 2x10 Watts. - Power supply DC - 8 to 18 Volts. Overall dimensions PCB 52х47mm. This kit is disassembled, requires..
6.95 лв. (3.55€)
Audio amplifier 20W
Audio amplifier, realized by two ICs TDA 2003 in bridge connection. - Output power - 20 Watts. - Power supply DC - 8 to 18 Volts. - Max. current - 3A. Overall dimensions PCB 45х33m..
6.10 лв. (3.12€)
Audio amplifier 100W
Audio Amplifier designed with one IC NE5534 and two 2N3055 /KD503/. Parameters: - Output power - 100W/±40V. - Input level - 0.750V. - Linear distortion range - 0.003%. - F..
0.00 лв. (0.00€)
Car alarm system
This device has been designed with one CMOS IC 4011. It guards 4 doors, hood and trunk of a car. - Output time - approximately 15 seconds. - Input time - approximately 15 seconds (doors..
4.00 лв. (2.05€)
Home alarm system with a siren
This device is realized with one CMOS IC 4001. Power supply DC - 6 to 14V. A push button or a magnet and RID ampoule can be employed as sensor. Overall dimensions PCB 50x35mm. ..
5.50 лв. (2.81€)
Regulated power supply 2 to 25V/2A
This device is realized with one IC MA723. - Input voltage - 28 to 37 Volts. - Output voltage - 2 to 25 Volts. - Current protection - initiates at 2A. The trimmer potentiometer is ..
4.80 лв. (2.45€)
Regulated power supply 1,2 to 30V/1A
This device is realized with one IC LM317T. - Input voltage - AC/DC max. 30 Volts. - Output voltage - 1,2 to 30 Volts. - I max - 1А. Overall dimensions PCB 45x28mm. This k..
3.95 лв. (2.02€)
LED VU meter (12 LEDs)
This is a single function indicator designed with discrete elements. Input signal is standard - 0.750 V (Low level). VU meter not work speaker output (work only line level signal - 0.500 to 1V). ..
7.15 лв. (3.66€)
Stereo LED VU meter (2x 6 LEDs)
This device is realized with 2 specialized IC KA2284 /AN6884/. IC control 5 LEDs (5 dot bar type). Two entrances - for left and right channels. Input signal is standard - 0.750 V (Low level). V..
7.40 лв. (3.78€)
Protection circuit for an audio amplifier
This circuit is an universal protection for audio amplifiers, that includes: - delays about 5 seconds switching speakers on when power supply is turned on. - switches speakers off immediatel..
3.20 лв. (1.64€)
Mini FM radio microphone 88 to 108 MHz
This circuit is a miniature transmitter in FM range of 88 to 108 MHz. Power supply 1.5V. Overall dimensions PCB 26х16mm. This kit is disassembled, requires assembly and soldering.&nbs..
0.00 лв. (0.00€)
FM radio microphone 88 to 108 MHz
This circuit is a miniature transmitter in FM range of 88 to 108 MHz. Power supply 9V. Overall dimensions PCB 42х18 mm. This kit is disassembled, requires assembly and soldering. ..
0.00 лв. (0.00€)
"Emergency" siren
This circuit is realized on discrete components and consists of three parts: clock-pulse generator, audio frequency generator and power amplifier. Power supply DC 9 to 12 Volts. Overall dime..
3.80 лв. (1.94€)
"US police" siren
This circuit is realized on discrete components and consists of three parts: clock-pulse generator, audio frequency generator and power amplifier. Power supply DC 9 to 12 Volts. Overall dime..
3.80 лв. (1.94€)