Hobby-assembling kits

: (40) products
Image
Product code
Description
Datasheet
Manufacturer
Manufacturer code
Stock
Price
QTY
Home alarm systemImage of Home alarm system

Home alarm system


Alarm system based on CMOS technology. Power supply: 9V or 4x1.5V. Push button or a magnet and REED switch can be used as sensor. The kit does not include
Home alarm system - pdf
69.88 KB
HOBBY KIT
1006
0
pc
4.15 BGN
for: pc
Stereo audio amplifier 2x10WImage of Stereo audio amplifier 2x10W

Stereo audio amplifier 2x10W


Audio amplifier with TDA2005/TDA2004/. Power supply: 8-18V Output power: 2x10W /Ucc=14.4V and RL=2ohm/ Frequency band:
Stereo audio amplifier 2x10W - pdf
67.25 KB
HOBBY KIT
1001
1
pc
7.80 BGN
for: pc
Audio amplifier 20WImage of Audio amplifier 20W

Audio amplifier 20W


Audio amplifier, with two TDA2003 in bridge connection. Power supply: 8-18V Output power: 20W /Ucc=14.4V and RL=2ohm/ Frequency band:
Audio amplifier 20W - pdf
55.24 KB
HOBBY KIT
1002
2
pc
7.05 BGN
for: pc
Stereo audio amplifier 2x20WImage of Stereo audio amplifier 2x20W

Stereo audio amplifier 2x20W


Audio amplifier withe TA8210 /KIA6210/. Power supply: 8-18V Output power: 2x20W /Ucc=14.4V and RL=4ohm/ Frequency band:
Stereo audio amplifier 2x20W - pdf
71.9 KB
HOBBY KIT
1003
0
pc
11.00 BGN
for: pc
Hi-Fi audio amplifier 100WImage of Hi-Fi audio amplifier 100W

Hi-Fi audio amplifier 100W


Audio Amplifier designed with IC and transistors. Output power: 100W ±40V Input level: 0.75V Linear distortion range: 0.003% Frequency band: 20-20000Hz ±1dB Power supply: 20-40V Maximum current:
Hi-Fi audio amplifier 100W - pdf
84 KB
HOBBY KIT
1004
0
pc
19.75 BGN
for: pc
Car alarm systemImage of Car alarm system

Car alarm system


Device based on CMOS technology. For 4 doors car. Output time: approx. 15 seconds Input time: approx. 15 seconds /doors only/ Alarm signal time: approx. 70 seconds In case of opening any door - alarm signal goes "on"
Car alarm system - pdf
62.2 KB
HOBBY KIT
1005
3
pc
4.70 BGN
for: pc
Home alarm system with sirenImage of Home alarm system with siren

Home alarm system with siren


Alarm system based on CMOS technology. Push button or a magnet and REED switch can be used as
Home alarm system with siren - pdf
69.88 KB
HOBBY KIT
1006
3
pc
5.40 BGN
for: pc
Regulated power supply 2-25V/2A Image of Regulated power supply 2-25V/2A

Regulated power supply 2-25V/2A


Device with MA723. Input voltage:
Regulated power supply 2-25V/2A  - pdf
67.9 KB
HOBBY KIT
1007
4
pc
5.30 BGN
for: pc
Regulated power supply 1.2-30V/1A Image of Regulated power supply 1.2-30V/1A

Regulated power supply 1.2-30V/1A


Device with LM317T. Input voltage: max
Regulated power supply 1.2-30V/1A  - pdf
49.22 KB
HOBBY KIT
1009
3
pc
4.35 BGN
for: pc
LED VU-meter (12 LEDs)Image of LED VU-meter (12 LEDs)

LED VU-meter (12 LEDs)


Single mode LED-graph with discrete components and 12 LEDs. Input level: 0.75V Power supply:
LED VU-meter (12 LEDs) - pdf
69.4 KB
HOBBY KIT
1010
1
pc
7.75 BGN
for: pc
Protection circuit for audio amplifieImage of Protection circuit for audio amplifie

Protection circuit for audio amplifie


Universal protection device for audio amplifiers: - delays about 5 seconds switching speakers on when power supply is turned on - switches speakers off immediately - switches speakers off if end power amplifier gets out of order Power supply:
Protection circuit for audio amplifie - pdf
71.68 KB
HOBBY KIT
1013
3
pc
3.05 BGN
for: pc
Mini FM radio microphone (88-108 MHz)Image of Mini FM radio microphone (88-108 MHz)

Mini FM radio microphone (88-108 MHz)


Miniature transmitter device in FM range /88-108 MHz./ Power supply:
Mini FM radio microphone (88-108 MHz) - pdf
56.22 KB
HOBBY KIT
1015
3
pc
3.05 BGN
for: pc
FM radio microphone (88-108 MHz)Image of FM radio microphone (88-108 MHz)

FM radio microphone (88-108 MHz)


Miniature transmitter device in FM range /88-108 MHz/ Power supply:
FM radio microphone (88-108 MHz) - pdf
55.98 KB
HOBBY KIT
1016
3
pc
4.50 BGN
for: pc
Emergency siren Image of Emergency siren

Emergency siren


This device is based on discrete components in three parts: clock-pulse generator, audio frequency generator and power amplifier. Power supply: 9-12V Speaker: 4-8
Emergency siren  - pdf
70.96 KB
HOBBY KIT
1017
4
pc
4.15 BGN
for: pc
US police siren Image of US police siren

US police siren


Device with discrete components in three parts: clock-pulse generator, audio frequency generator and power amplifier. Power supply: 9-12V Speaker: 4-8
US police siren  - pdf
70.59 KB
HOBBY KIT
1018
0
pc
4.15 BGN
for: pc
Italian police siren Image of Italian police siren

Italian police siren


Device with components in three parts: clock-pulse generator, audio frequency generator and power amplifier. Power supply: 9-12V Speaker: 4-8
Italian police siren  - pdf
74.23 KB
HOBBY KIT
1019
3
pc
4.15 BGN
for: pc
2-tone siren Image of 2-tone siren

2-tone siren


Device is based on LM556. Power supply:
2-tone siren  - pdf
83.65 KB
HOBBY KIT
1020
4
pc
5.20 BGN
for: pc
5-channel sound regulator (Equalizer)Image of 5-channel sound regulator (Equalizer)

5-channel sound regulator (Equalizer)


Multi-channel sound regulator close to professional but much more cheaper. Power supply:
5-channel sound regulator (Equalizer) - pdf
72.78 KB
HOBBY KIT
1026
3
pc
4.20 BGN
for: pc
Stereo preamplifier Image of Stereo preamplifier

Stereo preamplifier


Stereo preamplifier based on В082 /TL082/. Power supply:
Stereo preamplifier  - pdf
60.76 KB
HOBBY KIT
1027
0
pc
4.00 BGN
for: pc
Stereo mixerImage of Stereo mixer

Stereo mixer


Audio mix device, with four inputs from tape recorder, tuner, gramophone and microphone, also with a sound regulator for low/high audio frequencies and preamplifier. Voltage: 9-18V Recommended for kits 1032
Stereo mixer - pdf
60.85 KB
HOBBY KIT
1028
5
pc
9.35 BGN
for: pc
Car battery checker Image of Car battery checker

Car battery checker


Device for detection faults in 12V car electric circuitry - alternator, battery and starter. - low level /under 13.8V/: red LED - normal level /13.8-14.4V/: green LED - high level /over 14.4V/: yellow
Car battery checker  - pdf
71.25 KB
HOBBY KIT
1030
3
pc
2.85 BGN
for: pc
Uni-polar to bipolar voltage converterImage of Uni-polar to bipolar voltage converter

Uni-polar to bipolar voltage converter


Uni-polar to bipolar voltage converter. At input voltage of 24V, the output voltage is 12V. Converter can be used for kits 1028 and
Uni-polar to bipolar voltage converter - pdf
59.38 KB
HOBBY KIT
1032
2
pc
3.55 BGN
for: pc
Power supply +/-12V/100mAImage of Power supply +/-12V/100mA

Power supply +/-12V/100mA


Power supply based on rectifier, filter and parametric regulator. Input Voltage: 2x12V It has been designed for devices with consumption less than 100mA and bipolar supply voltage /kits with catalogue numbers 1028 and
Power supply +/-12V/100mA - pdf
58.48 KB
HOBBY KIT
1033
4
pc
4.20 BGN
for: pc
Electronic melody door bell Image of Electronic melody door bell

Electronic melody door bell


Device based on LM555 - 2 frequency generator. The first tone when the button is push-on, the second- when released. Power supply: 9V Speaker: 4-8
Electronic melody door bell  - pdf
71.63 KB
HOBBY KIT
1034
3
pc
3.40 BGN
for: pc
Microphone preamplifierImage of Microphone preamplifier

Microphone preamplifier


Transistor preamplifier with an electret microphone, connected at the input. Power supply:
Microphone preamplifier - pdf
60.16 KB
HOBBY KIT
1035
3
pc
2.85 BGN
for: pc



0700 18 880
fax: 056/ 800-067