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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
70.59 KB
HOBBY KIT
1018
6
pc
| 1+ | 4.70 BGN |
| 3+ | 4.30 BGN |
| 5+ | 3.96 BGN |
| 10+ | 3.67 BGN |
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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
59.38 KB
HOBBY KIT
1032
3
pc
| 1+ | 4.00 BGN |
| 3+ | 3.66 BGN |
| 5+ | 3.37 BGN |
| 10+ | 3.12 BGN |
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HOBBY KIT
1603
4
pc
| 1+ | 15.90 BGN |
| 3+ | 14.80 BGN |
| 5+ | 14.00 BGN |
| 10+ | 13.20 BGN |
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HOBBY KIT
1604
2
pc
| 1+ | 15.90 BGN |
| 3+ | 14.80 BGN |
| 5+ | 14.00 BGN |
| 10+ | 13.20 BGN |
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Time relay, positive pulse activate 1 to 50 sec (with box)
How it works: When the power is on, timer waiting triggering impulse + 12V (green cable). Upon receipt of the impulse, relay turns on and remained in that position until the set time expires. After the time expires the relay is turned off and remains ready (waiting triggering pulse). Led indication for activated relay. Time delay between 1 and 50 seconds. Dimensions: - PCB only - 49x29mm. - Box - 55x35x20mm. The output, is relay with: - Normally open contact - NO. - Common contact - COM. - Normally closed contact - NC. Power supply - 10 to 14 V DC. Current in standby (relay is turned off) - 8mA, current with activated relay (relay turned on) - 48mA. Relay: 15А/125V DC, 15A/24V DC or AC, 10A/250V
216.28 KB
HOBBY KIT
1584
11
pc
| 1+ | 13.40 BGN |
| 3+ | 12.40 BGN |
| 5+ | 11.60 BGN |
| 10+ | 10.90 BGN |
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Time relay, 1-50 seconds
How it works : At the point of switch power ON , the timer delay starts . Upon expiry of the time , relay turns ON and remain in this position until power is OFF. At the point of switch off, the timer resets, ready for the next operation. Led indication for activated relay. Time delay between 1 and 50 seconds. Fully assembled. PVC box included. Dimensions : - PCB only - 49 x 29 mm. - Box - 55 x 35 x 20 mm. The output, is relay with : - Normally open contact - NO. - Normally closed contact - NC. Relay: 15А/125V DC, 15A/24V DC or AC, 10A/250V AC. Power supply - 10 to 14V
HOBBY KIT
1581
3
pc
| 1+ | 13.40 BGN |
| 3+ | 12.40 BGN |
| 5+ | 11.60 BGN |
| 10+ | 10.90 BGN |
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Time relay, 1-50 seconds
How it works : At the point of switch power ON , relay turns ON the timer starts . Upon expiry of the time , relay turns OFF and remain in this position until power is OFF. At the point of switch off, the timer resets, ready for the next operation. Led indication for activated relay. Time delay between 1 and 50 seconds. Fully assembled. PVC box included. Dimensions : - PCB only - 49 x 29 mm. - Box - 55 x 35 x 20 mm. The output, is relay with : - Normally open contact - NO. - Normally closed contact - NC. Relay: 15А/125V DC, 15A/24V DC or AC, 10A/250V AC. Power supply - 10 to 14V
HOBBY KIT
1582
> 10
pc
| 1+ | 13.40 BGN |
| 3+ | 12.40 BGN |
| 5+ | 11.60 BGN |
| 10+ | 10.90 BGN |
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Time relay, 0-99 min
Time relay based on PIC12C508. One dual 7-segment indicator is employed for indication, showing the remaining time. Two push buttons are used for setting relay operation time /this relay has a normal open and a normal close contact/ B1 for the first and b2 for the second element of the 7-digit display. Power suplly:
88.71 KB
HOBBY KIT
1325
1
pc
| 1+ | 18.60 BGN |
| 3+ | 17.30 BGN |
| 5+ | 16.20 BGN |
| 10+ | 15.30 BGN |
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Time relay, 0-99 min
Time relay based on micro controller PIC12C508. One dual 7-segment indicator is employed for indication, showing the remaining time. Two push buttons are used for setting relay operation time /this relay has a normal open and a normal close contact/ B1 for the first and b2 for the second element of the 7-digit display. Power suplly:
88.71 KB
HOBBY KIT
1553
6
pc
| 1+ | 21.80 BGN |
| 3+ | 20.40 BGN |
| 5+ | 19.10 BGN |
| 10+ | 18.10 BGN |
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Time relay, 0-160 seconds
Time relay based on 555-U1. Relay reset is by pushbutton B2 and stand-by. Push B1 once to initiate relay for a defined period. Time set the relay by C4 capacitor and trimmer Tr1 Can be adjusted in the range 0 to 160 seconds. LD-LED indicates On/Off position of device. Power supply: 10~16V/100mA. Pushbutton ON. Emergency stop
HOBBY KIT
1580
4
pc
| 1+ | 9.20 BGN |
| 3+ | 8.50 BGN |
| 5+ | 7.95 BGN |
| 10+ | 7.45 BGN |
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Thermostat 5-30°C
Thermal relay for temperature control range 5 to 30°C by heating elements and mechanical relay P1. Thermostat based on LM324-four functional amplifiers in one. Power supply: 10~16V/100mA Temperature Range:
HOBBY KIT
1566
2
pc
| 1+ | 10.20 BGN |
| 3+ | 9.45 BGN |
| 5+ | 8.85 BGN |
| 10+ | 8.30 BGN |
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60.76 KB
HOBBY KIT
1027
2
pc
| 1+ | 4.70 BGN |
| 3+ | 4.30 BGN |
| 5+ | 3.97 BGN |
| 10+ | 3.68 BGN |
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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
60.85 KB
HOBBY KIT
1028
3
pc
| 1+ | 11.20 BGN |
| 3+ | 10.40 BGN |
| 5+ | 9.70 BGN |
| 10+ | 9.15 BGN |
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Stereo audio amplifier PAM8403, Class D 2x3W
Applications: -amplifier for televisions -home cinema -any kind of audio systems -MP3/MP4 players -replacement of the final stages of different devices Advantages: -high efficiency (efficiency ratio) -current protection -low supply voltage protection - Typ. 2.5 -ideal for powering a 3.6V Li-Ion battery -very small non-linear distortion from 20Hz to 30kHz -very low current in standby mode -is not affected by large ripples in the supply voltage -very little heat released Attention: 1. The direction of the supply voltage should not be confused, and it should not exceed 6V even for a short time. 2. It is recommended that the audio input cables are shielded. 3. The output stage of the circuit is full bridge (BTL). The output negatives cannot be connected at one point, otherwise you risk burning the integrated circuit. MAIN PARAMETERS: ·Work class CLASS D (CLASS D) ·Operating voltage: DC 2.5 V to 6 V Rated output power: 2x3W (2x4ohm) ·Frequency Band: 20Hz~30kHz ·Efficiency (Efficiency): over 90% at maximum power ·Dimensions: 21 x 18
131.62 KB
SIRIUS PCB
11020011
5
pc
| 1+ | 5.60 BGN |
| 3+ | 5.19 BGN |
| 5+ | 4.85 BGN |
| 10+ | 4.56 BGN |
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Stereo audio amplifier 2x10W
Audio amplifier with TDA2005/TDA2004/. Power supply: 8-18V Output power: 2x10W /Ucc=14.4V and RL=2ohm/ Frequency band:
67.25 KB
HOBBY KIT
1001
2
pc
| 1+ | 8.30 BGN |
| 3+ | 7.65 BGN |
| 5+ | 7.10 BGN |
| 10+ | 6.65 BGN |
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Stereo audio amplifier 2x10W
Audio amplifier with TDA2005 /TDA2004/. Power supply: 8~18V Output power: 2x10W /Ucc=14.4V and RL=2ohm/ Frequency band: 22~22000
67.25 KB
HOBBY KIT
1500
3
pc
| 1+ | 11.40 BGN |
| 3+ | 10.60 BGN |
| 5+ | 9.90 BGN |
| 10+ | 9.30 BGN |
| view more | |
HOBBY KIT
1612
2
pc
| 1+ | 14.50 BGN |
| 3+ | 13.50 BGN |
| 5+ | 12.60 BGN |
| 10+ | 11.90 BGN |
| view more | |
HOBBY KIT
1611
4
pc
| 1+ | 14.50 BGN |
| 3+ | 13.50 BGN |
| 5+ | 12.60 BGN |
| 10+ | 11.90 BGN |
| view more | |
67.9 KB
HOBBY KIT
1007
3
pc
| 1+ | 5.90 BGN |
| 3+ | 5.40 BGN |
| 5+ | 5.00 BGN |
| 10+ | 4.67 BGN |
| view more | |
366.79 KB
SIRIUS PCB
11010048
10
pc
| 1+ | 7.80 BGN |
| 3+ | 7.35 BGN |
| 5+ | 6.95 BGN |
| 10+ | 6.65 BGN |
| view more | |
49.22 KB
HOBBY KIT
1009
3
pc
| 1+ | 5.00 BGN |
| 3+ | 4.58 BGN |
| 5+ | 4.22 BGN |
| 10+ | 3.92 BGN |
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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:
71.68 KB
HOBBY KIT
1013
5
pc
| 1+ | 4.00 BGN |
| 3+ | 3.66 BGN |
| 5+ | 3.37 BGN |
| 10+ | 3.12 BGN |
| view more | |
Programmable controller for lighting effects 1-10 channels
Controller for LEDs or LED modules management /advertising signs, decoration of rooms and buildings, etc./. Can manage from 1 to 10 channels. Up to 29 different effects as per chosen number of channels /pre-set in controller memory/. Each effect can be repeat 1 to 10 times separate from others. Effects speed adjustment . Channel selection from 1 to 10. Number effects in same time – as per selected numbers of channels. Repeating for each effect – from 1 to 10 times. Power supply: 8-18 VDC Maximum current: 10A SB1 and SB2 - programming buttons. SB3- button RESET for restoring factory settings /10 channels, all 29 shows the effect/. R1 Trimmer-potentiometer for speed control. Possible to upgrade effects by changing EEPROM 24Cxxx. PCB dimensions: 134x68
HOBBY KIT
9980
2
pc
| 1+ | 59.80 BGN |
| 3+ | 56.30 BGN |
| 5+ | 53.40 BGN |
| 10+ | 50.90 BGN |
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Power supply unit 12V/3A rechargeable battery
Power supply based on LM317T. Trimmer potentiometer is used to control the output voltage /10-14V/. In case of use of a battery, the output voltage is set to 13.6V to allow for recharge of the battery. In case that the input voltage is cut, the battery is on. Power supply unit is suitable for alarm systems and other devices need continuous operation in case of power mains failure. This device can operate also without a battery. Input voltage: 22V Output voltage: 10-14V Output current:
54.15 KB
HOBBY KIT
1051
2
pc
| 1+ | 10.80 BGN |
| 3+ | 10.00 BGN |
| 5+ | 9.30 BGN |
| 10+ | 8.75 BGN |
| view more | |
590.47 KB
SIRIUS PCB
11010053
> 5
pc
| 1+ | 21.50 BGN |
| 3+ | 20.30 BGN |
| 5+ | 19.20 BGN |
| 10+ | 18.30 BGN |
| view more | |
0700 18 880
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