Latest Consumer Electronics Technical Articles

This article demonstrates the operation of an LTspice shift register and discusses details of its schematic and timing…

This article demonstrates the operation of an LTspice shift register and discusses details of its schematic and timing relationships.

In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.

In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.

Current briefly flows through both transistors during logic-level transitions. This article explores the resulting power…

Current briefly flows through both transistors during logic-level transitions. This article explores the resulting power dissipation and provides some helpful LTspice tips for measuring current and power.

When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to…

When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to simulate these currents in LTspice.

This article explains dynamic and static power consumption in a CMOS inverter circuit.

This article explains dynamic and static power consumption in a CMOS inverter circuit.

This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment,…

This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment, magnetization vectors, susceptibility, and permeability.

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available…

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available from RS-232. Learn more in this article.

In this project, which uses the Arduino IDE, we create and demonstrate a digital drawing pad using an ESP32-based e-paper…

In this project, which uses the Arduino IDE, we create and demonstrate a digital drawing pad using an ESP32-based e-paper display dev board, rotary encoders for drawing control, and an accelerometer for shake detection to initiate an erase.

Learn how to design the battery array that best fits your system’s power requirements. This article will help you…

Learn how to design the battery array that best fits your system’s power requirements. This article will help you interpret battery specifications, estimate operating life, and understand the relationship between capacity, load, and environment.

In this project article, we design a handheld gaming console with wireless multiplayer functionality using ESP8266…

In this project article, we design a handheld gaming console with wireless multiplayer functionality using ESP8266 microcontrollers. We then program a game for it with the Arduino IDE.

In this project, we’ll use a Raspberry Pi Pico to build an adjustable clock with an LED display. We’ll then integrate…

In this project, we’ll use a Raspberry Pi Pico to build an adjustable clock with an LED display. We’ll then integrate the clock with a Radio Shack Science Fair Microcomputer Trainer programmed to function as a 7-bit binary counter.

How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers…

How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers in this article.

Learn about pressure transducers: devices used in a variety of industrial, medical, automotive, and consumer applications…

Learn about pressure transducers: devices used in a variety of industrial, medical, automotive, and consumer applications to sense pressure and convert it into electrical energy.

A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science…

A PIR sensor detects objects to allow a Raspberry Pi Pico running MicroPython code to adjust the frequency of a Science Fair electronic oscillator circuit with audio output.

Learn about the behavior and benefits of hysteresis in comparator circuits, magnetic components, and high-power devices.

Learn about the behavior and benefits of hysteresis in comparator circuits, magnetic components, and high-power devices.

Learn about the theory and implementation of MOSFETs, a key component of today’s analog integrated circuits.

Learn about the theory and implementation of MOSFETs, a key component of today’s analog integrated circuits.

In Bluetooth LE (BLE), security is a multifaceted beast. Learn the three main security modes of BLE, along with five…

In Bluetooth LE (BLE), security is a multifaceted beast. Learn the three main security modes of BLE, along with five critical BLE security procedures.

Pairing is an important concept in Bluetooth LE. Let’s examine the fundamentals of Bluetooth LE pairing, outlining how…

Pairing is an important concept in Bluetooth LE. Let’s examine the fundamentals of Bluetooth LE pairing, outlining how LE devices securely share keys between trusted devices.

Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this…

Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this challenge and how to meet it.