This professional synthesized transmitter is adjustable directly from the front panel
with a large LED digital readout of the operating frequency. Just enter the setup mode and set your
frequency. Once selected and locked you are assured of a rock stable carrier with zero drift. The power output
is continuously adjustable throughout the power range of the model selected. In addition, a new layer of antistatic protection for the final RF amplifier stage and audio inputs has been added to protect you from sudden
static and power surges.
Audio quality is equally impressive. A precision active low-pass brick wall audio filter and peak level limiters give
your signal maximum "punch" while preventing overmodulation. Two sets of rear panel stereo line level inputs
are provided with front panel level control for both. Standard unbalanced “RCA” line inputs are used to make it
simple to connect to the audio output of your computer, MP3 player, DVD player, cassette deck or any other
consumer audio source. Get even more creative and use our K8094 below for digital storage and playback of
short announcements and ID’s! In addition to the line level inputs, there is a separate front panel microphone
input. All three inputs have independent level controls eliminating the need for a separate audio mixer! Just
pot-up the source control when ready, and cross fade to the 2nd line input or mic! It’s that simple! In addition
to the dual stereo line inputs, a stereo monitor output is provided. This is perfect to drive studio monitors or
local in-house PA systems.
The FM100B series includes an attractive metal case, whip antenna and built in 110/220VAC
power supply. A BNC connector is also provided for an external antenna. Check out our Tru-Match FM antenna kit, for the perfect mate to the FM100B transmitter. We
also offer a high power kit as well as an export-only assembled version that
provides a variable RF output power up to 1 watt. The 1 watt unit must utilize
an external antenna properly matched to the operating frequency to maintain a
proper VSWR to protect the transmitter. (Note: The FM100B and FM100BEX are do-it-yourself
learning kits that you assemble. The end user is responsible for complying with all FCC rules & regulations within the US or any regulations of their respective governing body. The FM100BWT is for
export use and can only be shipped to locations outside the continental US, valid APO/FPO addresses
or valid customs brokers for documented end delivery outside the continental US).
; PLL synthesized for drift-free operation
; Built-in mixer - 2 line inputs and one microphone
input, line level monitor output!
; Frequency range 88.0 to 108.0, 100 kHz steps
; Precision active low-pass “brick wall” audio filter!
; Dual LED bar graph audio level meters!
; Automatic adjustable microphone ducking!
; Easy to build through-hole design!
FM100B Super-Pro FM Stereo Radio Station Kit, 5u W to 25m W Output
FM100BEX Super-Pro FM Stereo Radio Station Kit, 5u W to 1W Output
Super-Pro FM Stereo Radio Station
LED Animated Santa
This animated Santa and reindeer display has been our most
popular holiday display for years!
It contains a whopping 126 dazzling colored LEDs which make it a great holiday sign
that is guaranteed to draw attention!
LED Christmas Tree
Electronic Christmas tree features 134
bright colored LEDs in the shape of a gor-
geous holiday Christmas tree. Includes 18
random flashing blinking “candles” on the
PC board! Runs on a 9V battery or external
9-12VDC power supply.
MK117 LED Christmas Tree Kit
LED Animated Holiday Bell
This PC board holiday bell is animated
to simulate a bell swinging back and
forth! 84 bright colored LEDs will dazzle you with holiday cheer! Includes
an on/off switch. Runs on 9V.
MK122 LED Animated Bell Kit
3D LED Christmas Tree
Not your average LED display! 4 branch sections give this tree a true 3D look! 16 red
LEDs light it up with yellow LEDs for you to
customize your tree! The base of the tree is
actually the 9V battery acting as a self supporting base! Now that’s pretty neat!
MK130 3D LED Christmas Tree Kit $7.95
Audio Recorder & Player
Record and playback up to 8 minutes of
messages from this little board! Built-in
condenser mic plus line input, line &
speaker outputs. Adjustable sample rate
for recording quality. 4-switch operation that can be
remote controlled! Runs on 9-12VDC at 500mA.
K8094 Audio Recorder/Player Kit $32.95
Water Sensor Alarm
This little $7 kit really shined during Sandy!
Simply mount the alarm where you want to
detect water level problems. When the water
level rises it touches the contacts and the
alarm goes off! Sensor can even be remotely
located. Runs on a 9V battery (not included).
MK108 Water Sensor Alarm Kit
SMT LED Christmas Tree
Build this subminiature Christmas tree and
learn SMT at the same time. Small
enough to wear as a badge or pendant!
Extra SMT parts are included so you
can’t go wrong! Runs on Li-Ion cell.
MK142 SMT LED Christmas Tree Kit $6.95
TS4 Tickle Stick Kit $9.95
The kit has a pulsing 80 volt tickle output and a mischievous
blinking LED. And who can resist a
blinking light and an unlabeled
switch! Great fun for your desk, build a Panic Button...
“Hey, I told you not to touch!” Runs on 3-6 VDC.
Electronic Watch Dog
K2655 Electronic Watch Dog Kit
A barking dog on a PC board! And you don’t
have to feed it! Generates 2 different selec-
table barking dog sounds. Plus a built-in mic
senses noise and can be set to bark when it
hears it! Adjustable sensitivity! Unlike my
Saint, eats 2-8VAC or 9-12VDC, it’s not fussy!
Sound Activated LED Star
A built-in microphone picks up music
and room audio and the LEDs respond
just like a professional LED Vu meter!
Adjustable sensitivity creates a great holi-
day display in sync with your music or
audio! Runs on 9-12VDC.
MK172 Sound Activated LED Star Kit
Passive Aircraft Monitor
The hit of the decade! Our patented receiver hears the entire aircraft band without any
tuning! Passive design has no LO, therefore
can be used on board aircraft! Perfect for
airshows, hears the active traffic as it happens! Available kit or factory assembled.
ABM1 Passive Aircraft Receiver Kit
4-Channel USB Relay Control
This professional quality USB
relay controller allows computer controlled switching of
external devices, plus full bi-directional communication
with the external world using
the USB port of your computer!
The controller features four onboard relay outputs with
a current rating of 10A each. Also onboard is a 6-chan-
nel Input/Output interface, with each channel individually configurable as Digital Input, Digital Output, Analog
Input (10-bit Resolution). In Digital Input/Output
modes, each channel can support a TTL compatible or
ST input or a 5V output signal. In Analog Input mode,
each channel can convert a voltage of between 0 to 5V
into a 10-bit digital representation.
UK1104 4-Ch USB Relay Interface Kit $59.95
Is Always Fun!
; Build It!
; Learn It!
; Achieve It!
; Enjoy It!
LED Flashing Holiday Star
A classic holiday star shaped PC board
containes 35 brilliant red or yellow LEDs
that can be selected to provide a steady
or flashing display. The built-in 9VDC
battery holder acts as the base for the
star, making it easy to add to your decorations!
MK169 LED Flashing Holiday Star $12.95
Laser Trip Sensor Alarm
LTS1 Laser Trip Sensor Alarm Kit $29.95
True laser protects over 500
yards! At last within the
reach of the hobbyist, this neat kit uses a standard
laser pointer (included) to provide both audible and
visual alert of a broken path. 5A relay makes it simple
to interface! Breakaway board to separate sections.
LED Animated Effects Star
The ultimate LED star display features
60 brilliant LEDs that are micro-proces-sor controlled to provide 24 different
effects with sequencing! Includes red and
yellow LEDs. Runs on a standard 9VDC
battery or 9-12VDC external supply.
MK170 LED Animated Star Kit
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