Safely drive up to ±500 mA into reactive loads. This compact module employs the LT1970A and offers independent 1% source/sink thresholds and onboard fault diagnostics.
Safely drive up to ±500 mA into reactive loads. This compact module employs the LT1970A and offers independent 1% source/sink thresholds and onboard fault diagnostics.
This project brief describes how to build a compact dual-channel power amplifier module that delivers 38 W per channel…
This project brief describes how to build a compact dual-channel power amplifier module that delivers 38 W per channel into 4-ohm speakers using STMicroelectronics' STA540 audio amplifier IC.
Build a low-noise, 32-bit delta-sigma ADC board designed around the ADS1262. This 10-channel design features integrated…
Build a low-noise, 32-bit delta-sigma ADC board designed around the ADS1262. This 10-channel design features integrated signal conditioning for RTDs, thermocouples, and strain gauges.
Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors,…
Build an ultra-low-noise preamplifier with a JFE150 JFET and OPA202 op-amp, perfect for high-impedance sensors, hydrophones, guitar pickups, microphones, and turntables.
This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422…
This project brief describes how to build and use a four-channel differential line receiver module for balanced RS-422 and RS-485 data links.
This project brief describes how to implement a four-channel differential line driver module for reliable long-distance…
This project brief describes how to implement a four-channel differential line driver module for reliable long-distance data transmission over balanced twisted-pair lines.
This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3…
This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3 V output from input voltages ranging from 7 to 60 V.
This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the…
This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the NCD57085DR2G. It features onboard current sensing and overcurrent protection.
This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful…
This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful of commercially available parts.
Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.
Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.
To complete this project, we add backlight control and temperature-sensing functionality to the clock we built in the…
To complete this project, we add backlight control and temperature-sensing functionality to the clock we built in the previous installments.
We continue our design of a clock that uses analog ammeters to display time and temperature. In this installment, we…
We continue our design of a clock that uses analog ammeters to display time and temperature. In this installment, we examine the second of the two circuits that enable the timekeeping function.
This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.
This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.
In this project, we'll build and demonstrate a discrete analog solution to the incompatible logic levels of an Arduino…
In this project, we'll build and demonstrate a discrete analog solution to the incompatible logic levels of an Arduino Uno and an Elecrow e-paper HMI display.
In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.
In this project article, we'll use a 555 timer IC to build an iconic musical instrument from the early days of synthesizers.
In this project article, we’ll create a programmable device that alerts users to changes in ambient light levels. Along…
In this project article, we’ll create a programmable device that alerts users to changes in ambient light levels. Along the way, we’ll learn about astable multivibrators and the Darlington pair.
For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and…
For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.
In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.
In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…
This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4…
This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4 specification, which aims to evaluate the disturbing effects of noise on audio broadcast signals.