Projects

List of Projects, Developments, and Inventions

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Year Customer Description
1969
NCR
In-Circuit Tester for NCR 80 IC's ...... for 615 Century Computer
"
NCR
615/500 Latch Test Card .............Tool................Received Dayton Award
1970
NCR
Switching Unit for 361 Paper Tape Reader to be shared between a 390 and 500 Computer...... Mine Safety
1972
Bubble Machine for Beverleys Dance at Eistedford ......................."I'm forever blowing bubbles"
1973
NCR
210 Mod for Drawer Opening
"
NCR
210 Mod for sequence control
"
NCR
230 Mod Prevents adding to total 30
"
NCR
Tester (named Joe) to operate keyboards continuously for testing purposes...............Mechanical
"
NCR
Hammer Module Tester ............Exercises 640 Hammer Modules..............Copied by Spain Rework Centre
"
NCR
Tester (Joe 2) Electronic version of Joe.....Operates Keyboards of Cash Registers or Calculators for testing
"
NCR
655 Head Tester
"
NCR
615 Disk Pack Rework Jig
"
NCR
Board Comparator Tester .................Used for repairing 615 and 230 boards
"
NCR
Dual Oscilloscope In-Circuit Tester .........Tracker for comparing a good and bad board
"
NCR
Pulse Catcher..............Tool for latching multiple signals
"
NCR
Logic Probe ..................Field and Rework Tool ...........................Schematic
"
NCR
Hammer Driver Tester................for testing 640 Hammer Drivers ........... Photo of Jigs and Testers
"
NCR
Motor Control Board Tester
"
NCR
18-36 Calculator .. Mod .........one of first machines to use the Intel 4004 microprocessor.... by Busicom
1975
NCR
Pulse Generator and IC Tester
"
NCR
PSP PSP In-Circuit Tester.................Could test TTL, ECL, and CMOS Logic chip.............. Class
"
NCR
7500 Scale Interface for Senekal Ko-Op
"
NCR
2140 Label Printer Interface.................for Metro
"
NCR
2115 Compulsary Sales Tax Mod ...............for OK Bazaars .............Schematic
"
NCR
2115 Sales Tax Mod ..............for Edgars ...........................Schematic
"
NCR
2116 Sales Tax Mod ...........for Edgars
"
NCR
2115 Sales Tax Mod ..........for Woolworths ............................Schematic
"
NCR
796 Keyboard Mod ...........for SARB .....................Schematic
"
NCR
Switching Units .......................for SARB
"
NCR
225 Parking Boom Control
-> -> Diagram
" NCR
2140 Display Control
1980
NCR
2116 Boom Control + No Sale Inhibit.............for Sun City
"
NCR
In- Circuit Transister Testerer...............received E & I Award .......................Schematic
"
NCR
2116 Mod................for Air Terminal Services .......................schematic
"
NCR
Switching Unit............for Checkers.............726
"
NCR
Switching Unit....................for Barclays ..............7750
"
NCR
260 Mod Prevents Fast Operation..............for Klerksdorp
"
NCR
2125 CDV Mod.........Provides Check Digit Verification........(TTL Solution)
"
NCR
2135 Compulsary Tax Mod
1981
NCR
2950 Waste Proof System .......for Trust Bank, Barclays, Standard Bank. .Interface Board ...sold around 300
"
NCR
2950 Waste Proof System Interface Board Tester for Rework Centre
"
NCR
2950 Audio Cassette Interface Mod
"
NCR
2950 to 7740 7740 Interface
"
NCR
775 ..50 Cheque Mod..for Standard Bank
"
NCR
775 Journal Low Mod.............for Standard Bank
"
NCR
775 Pocket Full Warning Mod
"
NCR
775 Deaf Operator Mod...............for Barklays
"
NCR
2120 Sales Tax Mod.............for OK Bazaars
"
NCR
8200 IDC.B Mod
1982
NCR
2125 2116 Remote Display and Printer................for Frasers
"
NCR
2115 2116 Reciept On-Off Mod
"
NCR
Movie Prop...............Modified Calculator
"
NCR
Static Protection and Static Simulator
"
NCR
2117 Mod.......for Woolworths
"
NCR
Plastic Sealing Tool for Rework Centre
"
NCR
Signature Probe ............Digital logic counter...... Used to troubleshoot logic on PCB boards
1983
NCR
2117 Boom Control...............for Sun City
"
NCR
2117 Turnstyle Control
"
NCR
758 Mod....................for SARB
"
NCR
A to D Interface for DM5 ...............Schematic................ PCB
"
Centronics to Answer Printer Interface................Used on my Acorn Atom Computer ........................Photo
"
  Eprom Programmer ..............Technicon Project..........8085 processor ........Uses MCS-85 Micro Controller Kit
" NCR
7750 No Lister Printer Mod..............For VL & G
"
NCR
Real Time Clock for DM5 ..............................Schematic
"
NCR
Centronics to Answer Printer Interface....................8085 processor
"
Atari Rom Writer
"
NCR
Programable Combination Lock .......8085 processor.......for Support Room and Rework Centre ..Schematic
1984
NCR
Scale to DM5 Interface
"
NCR
DM5 to Petrol Pump Interface
"
NCR
DM5 Drawer Interface
"
NCR
Daisy RS232 Interface for DM5 .....................Schematic
"
NCR
Bus Switcher for DM5 ....................... Schematic ....................Diagram
"
  DM5 Speech Board ........Uses SP0256 Chip
"
8748 In-Circuit Emulator and Programmer ............Technicon Project..........Z80 processor ......"ICE"
"
Electronic Dice ..............8748 processor ........ Technicon Project
"
NCR
2118 to DM5 Interface
"
Z80 In-Circuit Emulator.......................run from DM5
"
Z80 Logic Anylyser ..................run from DM5
1985
NCR
DLC Adaptor r..............IHDLC to RS232...........used by NCR Support and also sold to Pick n Pay
"
NCR
7820 Not On File Mod.................for Pick n Pay Australia ................Schematic
"
NCR
2117 Sales Tax Mod ................... for Frasers ..................Schematic
"
NCR
2117 Reciept On-Off Switch
"
Jan
Photo Club Scorer.................for Jan Dingshoff..................uses Eprom Logic
"
NCR
RS232 Controller ..................8035 processor .................Schematic
"
NCR
Electronic Drawer..................Opens on any string of characters...............8035 processor
"
NCR
Trigger Box.........Activated by any string of characters ......8035 processor.............used to halt a Datascope .................................Used to trace intermittant 2126 fault at OK Bazaars
"
Moving Message Display Unit .........Programable..........................Z80 processor
"
NCR
7770 to PC Interface..........gives 7770 High Order Communication..........for Standard Bank .........Schematic
"
NCR
Datascope to build above Interface..........used to analyse 7770 pocket LAN Protocol .................8039 processor
"
NCR
RS232 Breakout Box ..................Tool for Field Engineers
"
NCR
Code Activated Switch.........Soft Serial Switching Unit.............8035 processor
1986
NCR
Thermal Printer Controller................Centronics to Thermal Printer...............Z80 processor ............Schematic
"
Logic Clip Monitor....................... Practical Electronics Award
" NCR
OCIA to PC Interface..................for CNA................8039 processor ..............Schematic
"
NCR
7901 Upper Case Indicator...............for Overseas Marketing.................. Schematic
"
NCR
7901 Alpha Key Lock
"
NCR
5070 ATM Runaway Protection..... ....... Schematic ....and.....Block Diagram
"
Colin
Meter Unit .....................for Colin..........................8035 processor
"
Colin
Hand Held Capture Unit ......................for Colin..................8035 processor
"
NCR
7770 Thermal Printer
1987
NCR
2841 to 2152 Interface ............................for Durban Market..............8039 Processor
"
NCR
7770 Service Aid.............................Tool to switch between 7770 and PC Screen
"
Musical Doorbell...............Selects different tune by number of presses...................8035 processor
"
8051 In-Circuit Emulator ...............photo2 ...........Runs from DM5.................8031 processor
1988
NCR
1225 Customer Display .......for Pick n Pay..........8031 processor .........Schematic
"
Ivor
Binary Clock for Ivor Moolman........................8031 processor
"
Speech Synthsiser ...............DM5......................uses 256 speech chip
"
NCR
Barcode Reader for Cheque Printer......for ABSA ATM's........8031 processor........... Barcodes
1989
NCR
2113 Customer Display ................for Woolworths
"
NCR
Wand Barcode Reader.......for Pick n Pay..........8031 processor ...................Schematic
"
Tranceiver..........for Alarms etc...............Two Wire link including Power.................. Schematic
"
  MCS-52 Basic Controller
1990
NCR
Romulator ......for Firmware Development .......uses Ram to Emulate an Eprom ............Schematic
"
NCR
Checkout Terminal using Dumb Screen....................for Shield
"
NCR
Micro Processor Tester using Rom Emulation..............for Rework
"
NCR
UPS Interface ..for NBS and Standard Bank...makes a standard UPS Intelligent............. Flyer ............
"
NCR
Remote Status Indicator for ATM's. ( . CAI ......uses RF Link................Sold to FNB and NCR Ghana
"
NCR
Serial Eprom Programmer ......... Photo2 .......Hex file sent down from a Computer............8051 Processor
"
NCR
Logic Analyser.................. input to a DM5 screen
"
Bern
Stepper Motor Controller................for Bernard
"
NCR
7820 Not on File Mod........for Pick n Pay..........8051.......... Schematic.................... Waveforms
"
NCR
Not on File Tester........................8051 processor
"
Tanbee
Serial Port Expander.....................for Tanbee
" Tanbee
Parallel Port Buffer .....................for Tanbee ................. Photo
1991
  Electronic Dice ....................PIC Microcontroller Course ............. Farsoft Computers
1992
  Microprocessor Test Tool ....................... Used to single step a Microprocessor........Displays Address and Data
"
NCR
HP Logic Analyser............................ Waveforms
1993
NCR
Scanner Security Feature...............for Babcock..............8051 processor
"
PC Port Expander.......................8051 processor
"
NCR
PC Drawer Control ........................ Retail Control Board ................... Flyer
"
NCR
Terminal Drawer Control.................... 8051 processor.............................. Flyer
"
NCR
Static Strap Tester......................for Rework Centre
"
NCR
2127 Scanner Mod..............for Game................8051
"
Ed
Magnometerr..............for Ed Wilson...............Measures Air Speed.............8051
1994
NCR
Drawer Driver for ELPOS
"
NCR
RS232 Interface for 1255 checkouts .... Protocol Converter.....fitted to all Pick n Pay Checkouts (3500)
"
NCR
Thermal Printer Interface ........for Pick n Pay...... Schematic ...........Sample Receipts
"
NCR
Thermal Printer Simulator.............................. Schematic
"
NCR
RS232 Interface board Tester
"
NCR
ATM Exit Counter...................Mechanical Counter to count notes
"
NCR
Tamper Indicator Card Reader Mod for ATM's...... MCRW .......fitted to all ABSA ATM's ........PIC 16C711
"
NCR
Tamper Indicator Board Tester
1995
NCR
Thermal Printer Simulator
1998
NCR
CableTester...............for Tamper Indicator Feature.............8751
1999
Jo
Fuel Injector Simulator.......................for Jo.................PIC 16F84 processor
"
  Tile Sensor..........Capacitive circuit to detect a person standing on the tile
"
Jo
VW Regulator ..............for Jo..............7805
"
Jo
Lambda Sensor .........................for Jo........................Oxygen Sensor
2000
Runabout Robot ....................PIC16C84 ......... Version 1
"
Garage Door Indicator (beeper).........................2051 processor
"
Alan
ATM Simulator ..................for Alan Townsend Australia
"
NCR
7731 Cheque Fraud Detect ...........for Nedcor ..........fitted to all Nedbank 7731's..............2051 processor
"
Jo
Electronic Control Unit....... for Cars.........for Jo........ECU ...........89S8253 processor
2002
  PC Keyboard Decoder..................Keyboard to RS232
2003
  Electronic Letter Box
"
Loraine
RF Sensor for Ivan................so Loraine can know when Ivan gets up
"
Jo
Hall Sensors ..................for Jo
"
  Round LED Clock....... ........................89S8253 processor
"
  ATMEL ISP Software Downloader ................... Before Atmel developed their version
"
Jo
Handheld Unit ....................For setting up ECU...............for Jo
"
Jo
Comparator Tester for Jo
"
Alan
Modem Test Tool ...................for Alan Townsend Australia
"
Alarm Control Unit.................. Perimeter Alarm
"
Jo
Cable Tester for Jo
"
Ed
Battery Charger................for Ed Wilson
"
Jo
Data Logger .................for Jo
"
89S8252 Downloader via RS232 + Software..........................used to load 89S8252 chip
"
  Downloader Cable for 89S8252 via LPT1 + Software.....................used to load 89S8252 chip
2006
  Automatic Door Bell......uses 2051 + Motion Detector..................Received Practical Electronics Award
"
  Adjustable Touch Switch ..................Received Practical Electronics Award
"
  Binary Clock ................2051 + RTC chip
"
  55 Second Telephone Timer......................for Denny
2007
  Dot Matrix LED Display Unit .......... Colour Version .......+........Software
"
  Nixie Clock
"
  Porthole 3D Picture .......uses round neon tube
"
Jennae
Cuckoo Clock ............for Jennae
"
Eskom
Accident Free Days for Ngatia Display Unit....................Eskom
"
Jennae
Acrobat Puppet for Jennae
"
Jennae
Butterfly for Jennae
2008
Indicator for Post Offices
"
Jo
Rev Converter
2009
Switch and LED Controllers for Post Offices
"
Selector Units for Post Offices
"
Teller Logging System.................Logs number of clients to Excel file
2010
RFID Reader ...........Photo
"
RF Display System........ used for ...........Dischem ..........+ ...........Indicators
"
Voice Module for Display Systems ...................ISD 1730
"
Supervisor System for RF Display Systems
"
SMS Call System...............uses WINSMS
"
Len
Bingo Program ..................for Len Farr
2011
Automotive Controller for LED Displays
"
  Runabout Robot + RF Handheld Controller .......Version 2................ Program written in "C"
"
  Restaurant Call System ................Excell Program with SMS
"
SMS Call System Integrated into Queue Systems
"
  ATM Remote Status Monitor using SMS Technology to call Custodians
"
  RX2A Transmitter Mod for Remote Status Monitors for ATM's
2012
  Built own Website at www.chrishegter.co.za
"
  Built LED Chaser . Generates Rotating Colour patterns by Controling Tri Colour LEDs Video
2013
  SMS Messenger..................used to send SMS alerts to any cell number when an event occurs
"
Ed
Built Macro Focus Controller for Ed Wilson's Camera
2014
  SMS Controller.....used to send SMS alerts to any cell number when an event occurs Software .
"
Bev
Laundry Database Program ............ For Beverley's Laundry.........Designed by Interface Technology .
2015
  Load Shedding Solution ........... Controller to turn on LED Strips ..... Battery supported
"
  USB Mouse Modification ......Automatically activates left mouse button every minute ... for Slotomania
"
  3D Porthole picture .... Uses touch switches to turn LED lights On/Off .......For Beverley and myself
"
  Touch Switch Circuit Board Circuit Board .uses circuit that detects AC hum from ones body...Unique circuit
2016
  Cash Register Restoration ......Model 349 ....dated 1913 ....Class 4000 .... 100Class
2017
  Morse code Decoder entered on Arduino and displayed On PC .. Click to see Video
2018
  Parking sensor based on Arduino and Ultrasonic Sensor .........Click to see Video
"
  Robotic Arm using Servos and Arduino ...........Click for Video
"
  Panic Switch ....can contact up to 8 persons by SMS ....uses WIFI ........Interface Photo .......Inards of Interface
1960
  3D Picture.................... Original .....was done in oils ...................... Video
2018
  Webserver in a Matchbox...................Video .........Probabaly the smallest Webserver in the world
2018
 
Touch Switch ...Detects AC Hum from body ....dVideo
2018
  IOT (Internet of things Demo) .......... Demo Video
2018
  Tile Sensor........Video........................
     
     
     
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