hobiku

AM/FM Broadcasters GREAT AM/FM Broadcasters gets you ON THE AIR!

Hobby Kits Tons of FUN KITS for you to build!

Transmitters & Receivers Transmitting & Receiving...Perfect for beginners!

Test & Measurement Power Meters, Multimeters, and MUCH MORE!

Learning Kits Get started on a GREAT HOBBY in electronics!

Amateur Radio Gear Commercial quality...@ a hobbyists price!

Antennas The secret behind GREAT RANGE!

Mini Kits Easy to build, easy to use functional kits!

Cameras/Transmitters Cameras, transmitters and accessories.

Neat Stuff NEW FOR 2004! NEAT STUFF!

Time & Weather To the second, to the degree - Time & Weather.

Tools All the tools YOU NEED to build your kits!

	RF Test Enclosures Trust your RF Testing to our Patented Design!
	RF Test Equipment The COM3010 is NOW AVAILABLE!
	General Test Equipment Multimeters, Oscilloscopes, and Signal Generators
	OEM Products These RF Modules are EASY TO USE!
	Tools The RIGHT TOOLS @ the RIGHT PRICE!

PX50 Professional 50 Watt Synthesized FM Stereo Transmitter THE ULTRA-RELIABLE FM STEREO TRANSMITTER!

PXB50 - Professional 50 Watt Radio Station In A Box Get On-The-Air QUICK With The 50 Watt Station IN-A BOX!

K155 Stereo Tone Control Unit

General-purpose stereo preamplifier based on the venerable MC4558. -2dB Gain. +/-12dB bass & treble boost/cut, channel balance control. 0.8% THD, -3dB flat from <20hz>50kHz. S/N 85dB. Requires +6Vdc to +15Vdc supply (not included). 10mA supply current.

Read product spec sheet.
Don't forget the power supply.

One Chip AM Radio

Spec sheet of 60/160

Complete AM radio on a PCB. Tuned radio frequency front-end, single chip RF amplifier & detector and two stages of amplification of the audio signal into a speaker. All components supplied. Coil prewound. Excellent for schools. Uses MK484 radio IC

120 Second Message Recorder

Picture of PCB

ISD25120 chip

Record as many messages as you can in this modern, non- volatile, combined audio processing & memory chip from Information Storage Devices (ISD25120). One button to START/PAUSE & a second button to RESET

LM383/TDA2002 Amplifier Module

Picture of PCB

A proven & popular power amplifier building block for use in any audio project. Power output is dependent on the supply voltage and load resistance. Over 10W is typical for a 16V supply into a 2 ohm speaker. A 12V supply into a 4 ohm speaker will deliver around 4W. Small heatsink provided. In late 2000 the LM383 was discontinued but the TDA2002 is a direct replacement

PIR Movement Detector

Picture of PCB

Movement IC Specs - page 1

Movement IC Specs - page 2

RE200B PIR Sensor used in Kit 30

Essential specs on RE200B sensor

CdS Cell Specification Sheet

Fresnel Lens Data Sheet

Circuit designed around a recently developed movement IC the KC778B. Circuit utilizes PIR detector and a light dependent resistor (LDR) to provide an optimized circuit that will detect motion up to 6 metres away. Operates on 9-12 VDC. Note that the PIR sensor & the PCB-mounted fresnel lens fit on the other side of the PCB; the solder side. This is to allow the unit to be mounted inside a container with the detecting lens poking out and the controls facing inside the box

14 110V & 240V Mains Powered Strobe Light

Picture of 240V PCB

Picture of 110V PCB

Kit contains Xenon Flashtube as found on aircraft, camera flash units, signal beacons and disco lights. Adjust to flash from 1 every three seconds to 3 flashes per second. CAUTION: Connects directly to mains power supply. Must be put in a suitable enclosed box before using. Two PCBs for different mains voltage