A simple PIC12F683 microcontroller was used to create a logic level tester which has the capability of measuring 5V TTL up to 24V PLC logic levels. A simple PIC12F683 microcontroller was used to ...

This Design Idea describes a simpleyet powerful handheld probethat you can use as both a logic probe anda pulse generator either individually orsimultaneously. This feature makes theprobe useful for ...

Test probes go a long way toward ensuring accurate, repeatable test results. Here's a look at how both active and passive test probes are evolving to match today's broadening oscilloscope bandwidths.