A. Rietjens (66)

| The difference between the standard MCS52 processors and the deviant DS87C530 from Dallas is that in the latter an instruction is proces...

| The probe is a kind of adaptor board that is plugged into the circuir instead of the EPROM er RAM to be tested. The IC is temporarily pl...

| The printer port of a PC may be misused simply as a digital I/O interface. The present circuit provides 32 outputs and 20 inputs.

| This is another device for making working with the logic analyser published in our May 1996 issue more convenient. It increases the vers...

| The presenr circuit, consisting of only a handful of cornponents, enables a rnains-operated lamp to flash at Intervals of about one seco...

| This is yet another variant of a probe to make working with the logic analyser published in our May 1996 issue more convenient. The pre...

| The interesting point of this circuit is that a D-type histahle is used as an inverter. When the level at the input changes from high to...

| The corrector has the task to always connect a load to a direct-voltage source with correct polarity. It thus functions in the same way as a...

| The article here describes how to built the car fuse tester.

| The dual complementary pair of switching FETS and inverter contained in a Tvpe CD4007 CMOS IC enable an LED flasher to be made that uses...