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Soft-core RISC-V designs allow you to run a custom microcontroller (MCU) on a field-programmable gate array (FPGA). This article introduces the higher-performance Ibex RISC-V core, and then demonstrates how it generates similar power signatures to a “real,” hard-core MCU. This sets the stage for future experimentation, since you can evaluate the security of an “off-the-shelf” design, and then add in features you might need such as specific cryptographic accelerators.

This project combines a PIC microcontroller, a custom clock source, some simple digital circuitry and selectable output filters. The result is a reprogrammable audio-frequency function generator with resolution from 0.1Hz to 20kHz.

AIRWidget is a device that allows you to examine infrared signals from a remote control. You can see, save, analyze, and display what is being transmitted, with more accuracy than you’d get with a digital storage oscilloscope. In this article, I explain how an AIRWidget works and how to build one, so you can modify or add functions to any IR remote control device.

A Review of OnLogic’s New Fanless Industrial Computer - OnLogic has been making industrial computer products for 20 years now, and the Helix 511 (HX511) Fanless Industrial Computer is a new addition to their product line. This month, Brian reviews that model.

Data acquisition technology (DAQ tech) is relevant and important—but that doesn't mean we can't have a little fun with it. In this article, I'll give a brief overview, present some of the key players, and cover a real-world DAQ application.