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Design Ideas

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Exclusively select 1 of N relays

Simple elegance reigns in this 1-of-N selector. Read More...

Simple capacitance meter bins parts

This simple, elegant circuit lets you quickly sort through capacitors. Read More...

Inductive scanner maps objects

2nd prize winner in the TI LDC1000 design contest. Read More...

LTC Design Notes: Micropower Isolated Flyback Converter with Input Voltage Range from 6V to 100V

A tiny, integrated flyback converter requires minimal support components. Read More...

High-power shunt regulator uses BJT & reference IC

This circuit provides much better performance and higher power handling than a Zener diode. Read More...

Bed levelling for 3D printer

3rd prize winner in the TI LDC1000 design contest. Read More...

Position sensing of liquid metal antennas for beam scanning antenna arrays

1st prize winner in the TI LDC1000 design contest. Read More...

Smart ripple canceller offers near-zero dropout

Eliminate linear power supply ripple losslessly! Read More...

Linearize thermistors with new formula

Optimize thermistor performance at any preferred temperature. Read More...

Filtered noise generator using a voltage regulator source

A controlled-bandwidth noise source using an unusual topology. Read More...

Safety flasher warns of high voltage

A low power circuit warns the user that high voltage is present. Read More...

Detect wire breaks with unusual CMOS gate circuit

TDR in the shop? Try this circuit to detect a wire break. Read More...

Simple circuit indicates a low battery

It may seem a bit counterintuitive to power on an LED when a battery is already low, but this Design Idea does it with aplomb. Read More...

One wire brings power & data to LCD module

If you need to connect a small remote LCD display, or your µC has run out of I/O pins, here’s a good, cheap solution. Read More...

Latching power switch uses momentary pushbutton

This could be the cheapest way yet to convert a momentary switch into an on-off power controller. Read More...

Wireless bicycle brake light

The TI LDC1000 senses bike wheel rotation and controls a stop light. Read More...

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