1985: bought my first computer: a Bondwell 12 with CP/M 2.2 at f4000.
1987: Xref, word concordance (linenumbers).
1987: bought my last PC.
1988: course: Pascal voor elektronici, basis- en vervolgcursus, Compu'Train, april 1988.
1989: development of Rulbus device driver library (C-language).
1989: embedded software for temperature regulator (6805).
1989: embedded software for Dual Stepping Motor Controller (6805).
1990: development of P-CAD environment for Printed Circuit Board design (with L.J.Prevo).
1990: course: Digitale signaalbewerking, PBNA, juni 1990.
1990: embedded software for helium pollution meter (6805, with J.de Boer).
1991: multi-tasking control program for helium pollution meter (Xinu).
1991: course: Sensoren voor het elektrisch meten van niet-elektrische grootheden, PATO, februari-maart 1991.
1991: command shell to control the Dual Stepping Motor Controller (1989).
1991: command shell to control a rack with Rulbus timer modules (with P.C.Jonkers).
1991: course: Analoge ontwikkeltechnieken: guarding & shielding en ruis, Anmar Ingenieursbureau, oktober 1991.
1991: development of Ezview Graphic User Interface library (C++, with R.Centeno).
1991: development of object-oriented Rulbus device driver library (C++).
1992: PALASM to Abel translator (AWK).
1992: course: Wiskunde, RUL, oktober 1992; cursus ter voorbereiding op de cursus 'Hoogfrequent-techniek'.
1992: presented course C and C++.
1992: course: Hoogfrequent-techniek, TH-Rijswijk, december 1992.
1993: started management of Unix systems (SGI iris, indy, Linux).
1993: started management of TCP/IP network (PC-NFS).
1993: Network User's Guide (original by R.M.van Leeuwen).
1993: LeCroy oscilloscope readout program (RS232-C).
1993: Ezview Graphic User Interface User's Guide.
1994: course: Computernetwerken, PHTO-"A", januari 1994.
1994: measurement program for Electro Spin Echo experiment (GUI, C++).
1995: started work on helium production registration/control system for Cryogenic department.
1995: created tools for timeregistration (MS-DOS, C++).
1995: RUL P-CAD symbol and part bibliotheken (met L.J.Prevo).
1995: measurement program for experiment with Optical Multi-channel Analyzer (GUI, C++).
1995: course: Systeemprogrammeren in de Unix omgeving, TH-Rijskwijk, november 1995
1996: WinSPIRS export to Dbase import database conversion program (C++).
1997: started work on Web pages.
1997: embedded software for monochromator controller (6805), see 2001.
1998: course: Administering Microsoft Windows NT 4.0
1998: course: Supporting Microsoft Windows NT 4.0 Core Technologies
1998: 'foto' van de Elektronische Afdeling van het Huygens Laboratorium (i.v.m. oprichting van FSC)
1999: introducing Windows NT 4.0 at Biophysics
1999: jaar 2000 PC uitvoeringsplan voor Biofysica en Moleculaire Natuurkunde
2000: installing Windows NT 4.0 at Home
2000: bestelformulieren LION
2000: bestelformulieren FSC
2000: course: LabVIEW Basisc I en II
2001: tools for xy-files
2001: compiler/virtual machine for C-like expressions and flow control to embed in application.
2001: ELD LabVIEW site
2001: monochromator controller RB9603.
2002: Web-application to register leave
2003: C++ commandline program and KormShell templates
2003: editenv - commandline tool to edit environment variables on Windows NT/2000/XP and Windows 95/98/me
2003: mngdriver - commandline tool to install, remove, start, stop Windows Device Driver and change its startup mode
2003: winutils - collection of Windows-related utility funcions and classes.
2004: Rulbus Device Class Library
2004: Rulbus Device Library
2004: Rulbus LabVIEW Library
2004: ELD Home page
2004: ELD Subversion Home page