Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key (CSRK), and Identity Resolving Key (IRK).
Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key (CSRK), and Identity Resolving Key (IRK).
In this project, learn how to use a potentiometer's reading on the M5Stack core to control a servo motor.
In this project, learn how to use a potentiometer's reading on the M5Stack core to control a servo motor.
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or…
In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or an Arduino Uno.
Go from chaos to clarity by learning how to design programs for embedded systems leveraging the Warnier-Orr diagrams.
Go from chaos to clarity by learning how to design programs for embedded systems leveraging the Warnier-Orr diagrams.
Serialization/deserialization circuitry, known collectively as SerDes, provides important benefits for digital…
Serialization/deserialization circuitry, known collectively as SerDes, provides important benefits for digital communication systems, especially when high data rates are required.
As embedded systems continue to evolve, you might wonder: should I learn assembly language for embedded software…
As embedded systems continue to evolve, you might wonder: should I learn assembly language for embedded software development? Learn the answer in this article.
Learn the basics of ratiometric resistance measurements in analog to digital (A/D) converters, how it's measured, and…
Learn the basics of ratiometric resistance measurements in analog to digital (A/D) converters, how it's measured, and example uses in a digital multimeter (DMM), microprocessor, and various resistive sensors.
We’ll be walking you through creating a robotic subsystem with a voice-activated motor leveraging machine learning (ML)…
We’ll be walking you through creating a robotic subsystem with a voice-activated motor leveraging machine learning (ML) and an Arduino Nano 33 BLE Sense.
This article is a primer into the basics of RISC-V. The open architecture philosophy is exposed, along with a technical…
This article is a primer into the basics of RISC-V. The open architecture philosophy is exposed, along with a technical description of the modular ISA, and some commercial RISC-V microprocessor implementations.
Children’s toys aren’t just for children. Inside every toy, there are hundreds of hours of engineering experience…
Children’s toys aren’t just for children. Inside every toy, there are hundreds of hours of engineering experience just waiting to be discovered.
Learn the high-level basics of what role battery management systems (BMSs) play in power design and what components are…
Learn the high-level basics of what role battery management systems (BMSs) play in power design and what components are necessary for their basic functions.
In this article, we’re going to be talking about JTAG, the ubiquitous hardware tool used for testing, programming, and…
In this article, we’re going to be talking about JTAG, the ubiquitous hardware tool used for testing, programming, and debugging.
This article proposes a simple microcontroller power-supply circuit that is worth considering when you’re developing a…
This article proposes a simple microcontroller power-supply circuit that is worth considering when you’re developing a (very) cost-sensitive system.
How can you build a fast non-volatile memory from a conventional SRAM? It turns out, you only need a back-up battery and…
How can you build a fast non-volatile memory from a conventional SRAM? It turns out, you only need a back-up battery and some control circuitry.
Learn about the basics of mechanical ventilation in terms of subsystems, control loops, and algorithms.
Learn about the basics of mechanical ventilation in terms of subsystems, control loops, and algorithms.
This article is the fourth of a series on microcontroller timers which discusses internal watchdogs.
This article is the fourth of a series on microcontroller timers which discusses internal watchdogs.
This article is the third of a series on microcontroller timers which describes the RTCs inside a microcontroller.
This article is the third of a series on microcontroller timers which describes the RTCs inside a microcontroller.
This article is the second of a series on microcontroller timers. This article describes a more complex timer called the…
This article is the second of a series on microcontroller timers. This article describes a more complex timer called the PWM or pulse-width modulation timer.
This article, the first in a series on “timer/counter” functions in microcontrollers, discusses periodic timers.
This article, the first in a series on “timer/counter” functions in microcontrollers, discusses periodic timers.
This article presents an algorithm intended for humans to calibrate the internal oscillator of an MCU, with the help of…
This article presents an algorithm intended for humans to calibrate the internal oscillator of an MCU, with the help of an oscilloscope and a spreadsheet. An example experiment with numbers is also shown.