Music to the ears: Effect simulation, emulation
Audio simulation and emulation with LTspice and a simple digital audio system, such as Windows Multimedia Player, gives you a…
Designing an induction cooker: Basics first
Induction cookers are quick to cook and highly energy efficient and safer due to the lack of an open flame.…
Lowering the ripple of PWM DACs
Learn about lowering the ripple of PWM DACs without decreasing the cut-off frequency of the low-pass filter or increasing the…
Gain without limits
Here's a SPICE model where each NPN stage is biased by its three resistors in such a way that none…
1-bit PROM programmer targets high-current devices
Although most devices use the ROMs in their logic-one state, a programmer is a handy device when programming is required.
RGB sensor achieves high dynamic range
The circuit implements auto-exposure control, allowing the sensor to generate an RGB triplet over a high dynamic range.
Simplifying design with transcendental resistors
A new approach to creating nonstandard resistor values may find wide use in a range of applications.
Smart home lighting: The hardware
Engineers at STMicroelectronics' NOIDA, India, facility setup a smart home lighting system. This part describes the hardware and gives you…
Smart home lighting: Android app demo
Having developed the hardware, the authors turn their attention to controlling up to 7 simultaneous BLE connections via an Android…
Multi-decade design simplifies current monitoring
Using a DMM on fixed ranges can be frustrating, but this simple design idea allows current monitoring from μA to…