In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera. And, as an added bonus, this camera works at…
In this project, we’re using an Arduino Uno and a Raspberry Pi 3 Model B to create an automatic wildlife camera. And, as an added bonus, this camera works at night. Make one of your own to snap photos of local birds, parading pups, or sneaky humans.
This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for…
This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies.
This article will discuss the dynamic range specification of an ADC.
This article will discuss the dynamic range specification of an ADC.
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you…
Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!
This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.
This article discusses the PCB layout for a power-supply circuit that generates a regulated 3.3 V rail from a small solar cell.
This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.
This article discusses a 3.3 V power-supply circuit that is built around an inductorless DC/DC converter and a solar cell.
This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital…
This article discusses digital down-conversion which is a digital-signal-processing technique widely used in digital radio receivers.
This article explores the schematic design and basic features of a smart programmable wireless controller module I…
This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.
This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it…
This article discusses details that will help you choose the right kind of solar cell and successfully incorporate it into your next project.
This article presents the equivalent circuit for a solar cell and discusses some implementation details.
This article presents the equivalent circuit for a solar cell and discusses some implementation details.
In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.
In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.
This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially…
This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially important because they are present in the internal oscillator in many popular MCUs.
This article is intended to help readers understand the good and the bad traits of Schmitt Trigger RC oscillators, which…
This article is intended to help readers understand the good and the bad traits of Schmitt Trigger RC oscillators, which are especially important because they are present in the internal oscillator in popular MCUs.
This article will review two pipelined structures to implement a high throughput FIR filter.
This article will review two pipelined structures to implement a high throughput FIR filter.
This article will review considerations for efficient FPGA implementation of symmetric FIR filters.
This article will review considerations for efficient FPGA implementation of symmetric FIR filters.
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
This article presents and discusses a schematic design for a ±5 V inductorless power supply.
This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.
This article discusses charge-pump DC/DC converters and introduces a design for an inductorless bipolar power-supply circuit.
This article will review the distributed arithmetic which is an interesting method of efficiently implementing…
This article will review the distributed arithmetic which is an interesting method of efficiently implementing multiply-and-accumulate operations.
In this project, we'll use a Raspberry Pi to create a responsive piggy bank that belittles you when you slack on your savings!
In this project, we'll use a Raspberry Pi to create a responsive piggy bank that belittles you when you slack on your savings!
This article will review a basic algorithm for binary division.
This article will review a basic algorithm for binary division.