Rebuilding a Tektronix THS7X0 Portable Oscilloscope Battery Pack
One of the best portable devices on the electronics bench over the last two decades is the Tektronix THS700 series. Here’s how I was able to replace the dead batteries in my oscilloscope at minimal expense.
Modify a Kill-A-Watt EZ Power Meter for Low Voltage Operation
The K-A-Watt meter is designed to operate at full AC line voltage. Here is a simple modification that safely powers the Kill-A-Watt meter for accurate operation in the low (10%-20%) voltage regime.