ID-O-Matic IV KIT

ID-O-Matic IV KIT
Brand: HamGadgets
Product Code: IDOM4
Price:$39.00


5 or more $37.00
10 or more $35.00
20 or more $29.00
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Voice Recorder Board Voice Recorder Board $10.00 $9.00 Qty: Buy
USB cable 1 meter, A to Mini-B USB cable 1 meter, A to Mini-B $4.50 Qty: Buy

Introducing the NEW ID-O-Matic IV kit - A repeater controller with Morse and voice ID for under fifty bucks? Yes!

  • ID timer/repeater controller with Morse code output
  • Keyed CW, audio, and PTT outputs
  • PTT/audio combination for keying HTs
  • Audio mixer with amp for repeater audio and ID
  • Optional de-emphasis for repeater audio
  • Super-easy USB port for configuration
  • Fan control output with auto delay
  • Optional voice ID for your repeater or fox hunt trnsmitter

The ID-O-Matic IV is an improved version of the ID-O-Matic III. I added an audio amplifier with moderate gain to reduce the number of users having trouble getting enough audio to their transmitter.  There is also now a separate volume control for the voice ID board.  All other functions are the same as the ID-O-Matic III, and it runs the same firmware.

This is an electronic kit and requires assembly.  Need it assembled and tested? I simply don't have the time to assemble ID-O-Matics, but others do! Here are a couple of places you can order an assembled and tested ID-O-Matic IV, along with cables (and advice) for hooking up to your repeater equipment. Please don't ask me for details about their pricing, availability or accessories -- contact them directly. Thanks!

The big question is: "How does the ID-O-Matic IV compare to the ID-O-Matic II and III?"

  • The big news -- Voice ID is available as a low-cost option!
  • All IDs are "polite". Morse code IDs are attenuated if the repeater is in use. Voice IDs are replaced by a Morse ID if someone is talking. And, you can set an optional early ID timer to let the ID-O-Matic IV try to ID when the repeater is idle.
  • A real-time clock lets you synchronize beacons to the clock time, and can even be kept accurate with input from a GPS receiver.
  • "Quiet time" lets you silence beacon transmissions during selected hours (like at night).
  • The circuit board is slightly larger than the -III (3" x 1.95" / 7.6cm x 4.95cm) , keeps the same connector locations, and the same mounting hole locations.
  • The DB9 connector and serial port used on the ID-O-Matic II are replaced by a USB mini-B connector.
  • The 10-pin terminal block used on the ID-O-Matic III is replaced with a 12 pin block. The pinouts are similar. There's a second ground for the audio output, and an added an output to indicate when the ID-O-Matic is sending an ID or a beacon.
  • A dedicated output can switch power to a cooling fan, with user-specified turn-off delay.
  • All I/O signal polarity is set via the setup menu; there are no jumpers to set.
  • The board is better optimized for repeater use, with improved volume control.  Receiver audio has enough gain to drive virtually any repeater setup.
  • A protection diode prevents damage to the board if power is connected backwards.
  • Terminal block pins are marked more clearly.
  • The setup menu is vastly improved. As before, no special software is needed -- the device shows up as a regular COM serial port (but needs no tricky serial configuration).
  • The new bootloader software enables field upgradeable firmware. You can load new firmware using a very simple process, no special hardware or software needed. Installing new features or bug fixes takes about five minutes.
  • There's no need for a separate power supply during setup and testing -- power can be drawn from the computer's USB port. This also enables a handy backup power source in the form of a cheap, readily available mini-USB cell phone charger, or a battery with a mini-USB connector attached.
  • Random beacon timing option - great for fox hunts!
  • Many... many new or enhanced features - and even more to come!

The ID-O-Matic IV is a multipurpose, microcontroller based device intended primarily for repeaters, but with other uses as well. With a heritage dating back to the original ID-O-Matic featured in the 2008-2012 ARRL Handbook, its primary application is that of a simple but feature-laden repeater controller with automatic Morse code station ID. It can also be used for beacons, fox hunt transmitters, automatic station ID and many other uses. Thousands of ID-O-Matics have been sold to hams around the world and are in use in beacons, repeaters, link transmitters, Echolink & IRLP stations, and even providing automatic CW ID for HF, VHF and UHF stations.

So what are the more interesting features? There's a programmable delay timer that announces your call sign or any other message, in Morse code at a speed and audio tone you choose. Then there are the CW keying and PTT outputs so you can attach it to a transmitter, transceiver or repeater. The COR/squelch input can be used to make a repeater controller/IDer that works the way you want it. And how about a new USB interface to connect to your shack computer, laptop or terminal for quick and easy configuration? It's all there.

Using the built-in USB interface, connect the ID-O-Matic IV to a PC (Windows, Mac, or Linux) with a free terminal emulation program such as PuTTY or Minicom and you can use the simple menu to configure the ID-O-Matic IV the way you want it. Just type in your ID message. When the COR input is activated the ID-O-Matic IV will send the message at regular intervals.  And now, with the optional add-on voice ID board -- record your own voice ID and use that instead of (or in addition to) Morse code!

The COR input is used to control when the ID-O-Matic IV sends your programmed Morse code ID. You can use a squelch, COR, PTT or other signals from your equipment according to your needs. The built-in interface circuit and programmable signal polarity let you use either active-high or active-low input signals. You can optionally have the ID-O-Matic send a courtesy beep (or up to three Morse code characters) at the end of each transmission, and you can specify a "hang time" to keep PTT active for a brief period after the input stops. If you want the repeater to ID every so often when it's idle, there is a beacon timer and a separate message for that too. You can, for example, have the repeater ID with its call sign while being used, and a longer message every hour or two when it's idle. Or use Morse for the regular ID, and a voice announcement for the beacon. The ID-O-Matic IV has a real-time clock, so you can synchronize the beacon ID to the wall clock if you want.

There's a PTT watchdog timer to keep your repeater from being "hung" by stuck mic buttons or long-winded users. And, you can use the ALT MSG input to send a different ID message (and even change the courtesy beep) based on the state of an input signal - useful if, for example, your site switches to backup power, or if a link is active. For an example of how you could use the ID-O-Matic IV in a repeater setup, there is a nice write-up here: http://www.repeater-builder.com/kenwood/pdfs/tkr-n20-idomatic.pdf

Regardless of the mode used, the PTT output is active during the CW ID, with a programmable pre- and post-ID delay. Speed is variable from 5 to 40 words per minute, and the audio pitch for the CW ID and the courtesy beep is also programmable via the setup menu. All outputs are equipped with robust 2N7000 MOSFETs that can handle up to 60V at up to 200 mA to key transmitters or other loads.

Improvements have been made to the original ID-O-Matic's Morse audio output. The -IV boasts a smooth, nearly pure sine wave audio signal rather than the raspy square wave found in some ID circuits.

The on-board Morse ID is filtered and fed to a passive audio mixer with volume control. An input is provided for external audio from your receiver or other source; this input also has a volume control and is mixed with the Morse audio. There is a de-emphasis filter on the external audio input that can be included or left off at build time, depending on your needs.

"Future-Proof": The heart of the ID-O-Matic IV's functionality is the firmware program that controls the processor. The controller can be upgraded with new firmware in minutes, without the need to return it for programming, swap chips or even remove it from the repeater (although a few minutes of down time is required). New features are planned for future release, giving you added capabilities at no added cost.

The ID-O-Matic IV kit includes the new ID-O-Matic IV chip along with a high quality, double-sided PCB with silkscreen and solder mask. All parts needed to build the board are included. All you need to supply is an enclosure and a source of power. If you want to see the instructions before ordering, please see the Downloads tab on tihs page for a PDF copy.

 

General Information
Assembly
This kit requires some expertise, and is probably not a good choice for the first-time kit builder. If you have successfully assembled a couple of kits before, you should have no major challenges. All parts are thru-hole (no SMT).
Specifications
Inputs
COR, ALT MESSAGE 0 to 20 V DC Receiver audio 5V pk-pk
Outputs
Morse code audio: 300mV pk-pk, sine wave ID indicator, BEACON indicator, FAN and CW outputs: Open-drain MOSFET, 60V absolute max @ 100 mA
Power requirements
6-18V DC

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