HamGadgets ID-O-Matic III Assembly, Setup And Use Manual Download Page 24 | Manualshive

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2014-01-17

ID-O-Matic III

24

Parts List

It’s a good idea to do a quick inventory of the parts in your kit. Make sure everything is there,
and check the markings on the four small blue ceramic capacitors. Like they say on Sesame
Street, one of these is not like the others! One is a 10

µF

and the other three are .33

µF

.

The pictures in the list below are representative, and may not look

exactly

like your parts.

Qty Part

Location

Description

1 PCB

Printed circuit board

1

Terminal
Block

TB1

Terminal block, may be a
single 12 position or one 10-
positionand one 2-position.

1 USB Mini-B

USB

USB mini-B Connector

2 Trim Pot

ID_VOL, RCV_VOL Trimmer potentiometer

1 PIC18F26J50

U1

Pre-programmed
microcontroller

1 IC Socket

U1

IC socket, 28 pin

1 LP2950-33

VREG

Voltage regulator

5 2N7000

Q1, Q2, Q3, Q4,
Q5

Small-signal MOSFET

1 LED

LED

LED, Red/Green

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Summary of Contents for ID-O-Matic III

Page 1: ...www hamgadgets com 2014 01 17 HamGadgets ID O Matic III Assembly Setup and Use Guide ...

Page 2: ... O Signal Polarity 16 Baud Rates 17 Connecting to Your Equipment 18 Power 18 Signal Levels 18 Connections 19 LED Indications 19 Non Repeater Use 19 Updating the Firmware 21 Assembly Instructions 23 Parts List 24 PCB Layout Schematic Rev C 26 PCB Layout Schematic Rev D 27 Assembly Order 28 Adding Voice ID 30 Install the voice ID board 30 Set up the ID messages 30 Adding GPS Timing 33 Hardware Speci...

Page 3: ...e in place of the earlier serial interface This makes connecting to most computer systems much easier and eliminates the need for a USB to serial converter for laptops and desktop systems lacking a serial port While you don t need a serial port or serial converter you will still need software that emulates a dumb terminal A program such as PuTTY that emulates ANSI or VT100 formats is ideal This so...

Page 4: ... III If you don t know how to do that someone under the age of 30 should be able to help you Once your board is assembled and ready to use connect it to your computer s USB port using a USB A to mini B cable If your computer asks for a device driver point it to the INF file you saved from the HamGadgets web site If you re having trouble with this step it may be easier to just copy the INF file to ...

Page 5: ...accordingly The free program PuTTY is available for download from www putty org it s easy to use and works well There is no special installation process the program has a single executable file that can be run by itself You can also use Windows HyperTerminal if you have it or under Linux you can use Minicom The example below uses PuTTY ...

Page 6: ...screen you see Type the COM port name COM4 in this example Click the Serial radio button You don t need to change anything else Type a name for this connection in the Saved Sessions box ID O Matic is a good choice Click Save Now you can double click the session name or select it and click Open ...

Page 7: ...present with many newer versions of Windows but here is how to set it up if necessary After starting HyperTerminal type a name for this connection ID O Matic would be a good choice Select any icon you like Select the COM port number assigned to your ID O Matic Modify the port settings for flow control NONE Since this is a USB connection the bits per second setting does not matter Click the Call ic...

Page 8: ...to enter the setup menu then refer to the following pages to set up your ID O Matic III Remember that new settings are not automatically saved make sure you save your changes before quitting 5 To exit the screen program type Ctrl a followed by K If that doesn t work try Ctrl A then to see your key bindings On a Mac try Ctrl a followed by Ctrl Programming the ID O Matic III Once you have establishe...

Page 9: ...the ENTER key and you should see the setup menu This is an example of what you will see in the main setup menu Operation is as simple and intuitive as I could make it To change a timer value or to set the clock type 1 and hit the ENTER key To add or change a message type 2 and hit the Enter key and so on ...

Page 10: ...H memory W command before removing power or putting the ID O Matic in service If you make changes and don t save them they will be lost when power is removed There is a timeout built into the setup menu If no keys are pressed for five minutes the ID O Matic III will return to normal operation Note that any changes that have been made will be in effect but will not be saved to non volatile memory s...

Page 11: ...to attempt to send the ID when there is no active user talking COR idle Setting the ID Minimum will cause the ID to be sent as soon after that time as possible when COR is not active For example let s say you want to ID the repeater at least every 10 minutes but you want to try not to ID when someone is talking a more polite ID If you set the ID time to 600 10 minutes and the ID minimum to 570 9 m...

Page 12: ...n seconds For example 3600 will send an ID every hour whenever the repeater is idle If you do not wish to have beacon ID messages sent just set this to zero to disable beacons Random beacons Set to Y or N If this is set to Y the beacons will be sent at semi random times up to but not exceeding the beacon interval This would normally be used for a fox hunt transmitter Time sync BCN This selection w...

Page 13: ... time settings will be ignored Messages The Messages screen allows you to enter the message s you wish to send when the ID and or beacon timers expire The CWID beacon and ALT alternate messages can each be up to 63 characters long The TOT Time Out Timer message can be a maximum of 10 characters Morse ID speed is self explanatory and the ID on power up setting determines whether the ID message will...

Page 14: ...u need to delete a message just enter a SINGLE space character and hit ENTER The message will be deleted 2 The ID message is the default for all messages In other words if you don t enter a beacon message but do set the beacon timer the ID message will be sent as the beacon message also The same is true of the ALT message if you don t set one up here the ID message will be used 3 You MUST have an ...

Page 15: ...three characters Use E for a short beep or T for a longer beep The length of the beep can be adjusted using the Morse code speed setting If you don t want to use a courtesy beep simply set the beep off by typing a single space character The beep delay is the amount of time after COR drops that the beep will be sent This value is entered in tenths of a second so for one second you would enter 10 An...

Page 16: ...his case active LOW means the signal will float when inactive and be grounded when active similar to a relay output to ground Active HIGH means the output is normally grounded and goes to a high impedance open state when active If your equipment needs to be driven with a positive voltage you may need to add a pull up resistor Because of the wide range of equipment to which your ID O Matic III may ...

Page 17: ... used Note that any of these outputs is driven by a 2N7000 MOSFET The absolute maximum output ratings are 60V and 200 mA but the actual limit of what the transistors can drive without heat sinking is substantially lower If your fan draws more than a very modest amount of current an external relay would be a good idea Baud Rates If you are not using a GPS receiver for timing you won t need to worry...

Page 18: ... in the event of a failure of the main power source Older mini USB cell phone chargers are also suitable for powering the ID O Matic III Power input to the terminal block must be a stable DC voltage between 6 and 20 V Although the power input pin is protected from reverse polarity by a diode care should be taken not to connect power backwards especially if you have any other equipment like a compu...

Page 19: ...s usually an indication that there is no power supplied to the board SOLID GREEN The ID O Matic is idle FLASHING GREEN COR has been sensed and a timing cycle is in progress FLASHING AMBER PTT is active and a timing cycle is in progress FLASHING RED COR time out has been reached repeater function is disabled SOLID RED An ID message is being transmitted OR the terminal is in the setup menu These sta...

Page 20: ...Matic PTT output to the transceiver s PTT input and audio either just tied in parallel or fed through the ID O Matic depending on what works for your particular equipment On rigs with rear panel connections for TNCs and accessories there may be PTT and audio signals available so you don t have to put it between the mic and the rig It really depends on the rig this is where you get to put your Amat...

Page 21: ...r pads with a short piece of wire or something similar With the jumper installed plug the ID O Matic III into your computer s USB port and start your terminal program You should see a message on your screen as shown Open the upgrade file the file with the HEX extension with Notepad Select all text Control A and copy it Control C Now remove the jumper from the LOAD pins or solder pads When you see ...

Page 22: ...ing and no completion message on the screen simply unplug the board close the terminal window and repeat the process from the beginning When it s finished you will see a message on the screen like this When you close the terminal window the ID O Matic III should automatically reset If it does not simply disconnect the power and connect power again Check the firmware version it should show that it ...

Page 23: ...rounded tip work at a static dissipative surface metal or wood are good and wear a grounded static dissipating wrist or ankle strap if you have one If the humidity is very low where you re working you might want to consider a working with a humidifier running or use the old technician s trick of a teaspoon or so of fabric softener in a spray bottle full of water spritzed lightly around the area on...

Page 24: ...e 33 µF The pictures in the list below are representative and may not look exactly like your parts Qty Part Location Description 1 PCB Printed circuit board 1 Terminal Block TB1 Terminal block may be a single 12 position or one 10 positionand one 2 position 1 USB Mini B USB USB mini B Connector 2 Trim Pot ID_VOL RCV_VOL Trimmer potentiometer 1 PIC18F26J50 U1 Pre programmed microcontroller 1 IC Soc...

Page 25: ...C6 C7 C12 Electrolytic capacitor 2 1N4007 D1 D2 Rectifier diode 3 BZX79 C3V3 ZD1 ZD2 ZD3 Zener diode 1 470 Ω R2 Resistor YEL VIO BRN 1 2 2 KΩ R_HT Resistor RED RED RED 7 1 KΩ R3 R4 R5 R6 R7 R10 R11 R12 R13 Resistor BRN BLK RED 1 4 7 KΩ R8 Resistor YEL VIO RED 4 10 KΩ R1 R9 Rev C or R14 Rev D Resistor BRN BLK ORN 2 3 3 µF C1 C2 Electrolytic capacitor See note below Note Your kit may contain EITHER ...

Page 26: ...www hamgadgets com 2014 01 17 ID O Matic III 26 PCB Layout Schematic Rev C ...

Page 27: ...www hamgadgets com 2014 01 17 ID O Matic III 27 PCB Layout Schematic Rev D ...

Page 28: ...older in the USB connector You ll want to use a piece of tape or a small clamp to hold it in place while you get a couple of the pins soldered to hold it in place Don t use your finger the connector body gets HOT Bend the leads of the cylindrical crystal over and insert them into the holes provided Make sure the two lead wires are not touching When soldering the crystal lead wires to the board don...

Page 29: ...acitors make sure that each one has the longer lead in the hole marked on the circuit board Install the terminal block making sure that the open holes for the wires faces out from the edge of the board If you have two terminal blocks 10 and 2 position insert them both into the board before soldering It can be a bit of a tight fit if you don t Once all the parts have been soldered to the board it s...

Page 30: ... audio signal Wire the voice ID board as shown below There are two speaker pads on the voice recorder board you can use either one of them The ID O Matic III board has solder pads and holes for the five wires needed for the voice recorder board The voice recorder board itself may have connectors installed The connectors may be removed if you wish and wires soldered directly to the board or you can...

Page 31: ...et up a message for voice ID use a message in the following format V DE N0XAS R The V tells the ID O Matic to start voice playback with a backup Morse ID Anything following the V will be sent in place of the voice ID if the repeater is in use meaning COR is active when the ID transmission starts In other words if COR is active when it s time to ID the voice announcement will not play and you must ...

Page 32: ...www hamgadgets com 2014 01 17 ID O Matic III 32 ...

Page 33: ...time If the GPS is installed the real time clock will always be set to UTC Zulu time There is no provision for setting the time zone or handling DST changes Once the GPS is attached there is no further configuration needed The ID O Matic will automatically listen for GPS data time messages and set the internal real time clock according to GPS time In order to reduce CPU workload once the GPS time ...

Page 34: ...t can t figure out send an email and let me know what you need Depending on my work load I may be able to provide some help repairing your board for a nominal fee Documentation and firmware updates can be found on the HamGadgets web site at www hamgadgets com Please read the entire manual before emailing for support most questions can be answered that way Due to the wide range of equipment used in...

Page 35: ...capacitors for C1 C2 and includes the earlier recommended changes noted below 10 25 2013 Changed resistor R7 to 1K Ohm C1 C2 values corrected If you experience low receiver audio volume with the earlier 10K Ohm resistor you can solve this issue in one of two ways 1 If you are not using de emphasis Solder a jumper wire across the R7 pads You can also jumper across capacitor C10 2 If you are using d...

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