Design Center
Design Ideas
Emulate SPI signals with a digital-I/O card 9/17/2009
Four I/O lines let you test microcontroller-based products.Locked-sync sine generator covers three decades with low distortion 9/18/2008
This sine-wave generator can synchronize a sine-wave output through three decades of frequency and maintain low THD and constant amplitude.Microcontroller detects pulses 7/24/2008
A microcontroller detects output pulses in a device under test.Tester cycles system-power supplies 7/10/2008
A simple two-relay circuit cycles system power on and off to test a design on the benchtop.Control system uses LabView and a PC’s parallel port 6/26/2008
A National Instruments LabView diagrammatic program controls the operation of a metered parking lot.RS-232-to-TTL converter tests UARTs with a PC 5/29/2008
A simple RS-232-to-TTL converter tests UARTs using a PC's serial port for power.Microcontroller displays multiple chart or oscilloscope timing ticks 5/1/2008
A crystal controlled microcontroller generates precise timing ticks.White-noise generator has no flicker-noise component 3/20/2008
A white-noise generator with no flicker noise proves useful for testing circuits with an extended low frequency response.Simple continuity tester fits into shirt pocket 1/10/2008
A pocket-sized continuity tester responds quickly to shorts or opens and is protected against connection to a live circuit.Single IC forms inexpensive inductance tester 8/2/2007
A simple Pierce oscillator measures the inductance of a device under test.ADVERTISEMENT
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