Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light sensor circuit on a breadboard, digitizing…
Part 3 in the “How to Make an Ambient Light Monitor” series. The project continues by building an ambient light sensor circuit on a breadboard, digitizing the circuit’s output signals, and interpreting the digitized measurements.
How to interface a Raspberry Pi to an I2C temperature sensor (TMP102) and then publish the data to a Google sheet and graph.
How to interface a Raspberry Pi to an I2C temperature sensor (TMP102) and then publish the data to a Google sheet and graph.
Qualcomm's new technology allows devices with metal exteriors to charge, even away from the charging mat. The new method…
Qualcomm's new technology allows devices with metal exteriors to charge, even away from the charging mat. The new method of wireless charging also allows for multiple devices to charge at the same time.
An in-depth look at transformer isolation. Electrical isolation is necessary to protect circuits, equipment, and people…
An in-depth look at transformer isolation. Electrical isolation is necessary to protect circuits, equipment, and people from shocks and short circuits, as well as to make accurate measurements. Isolation transformers are one way to go.
LTSpice is a versatile, accurate, and free circuit simulator available for Windows and Mac. This is an overview of AC and…
LTSpice is a versatile, accurate, and free circuit simulator available for Windows and Mac. This is an overview of AC and DC simulation, as well as how to analyze output signals.
Learn how to install the new and improved KiCad on Ubuntu 15.04 and then build a simple microcontroller board to blink an RGB LED.
Learn how to install the new and improved KiCad on Ubuntu 15.04 and then build a simple microcontroller board to blink an RGB LED.
This introduction to the PICAXE microcontroller overviews the economical, versatile, and fun-to-use MCU family with which…
This introduction to the PICAXE microcontroller overviews the economical, versatile, and fun-to-use MCU family with which all designers should become familiar.
Renesas announces its new li-ion battery fuel gauge IC, the RAJ240500. The design combines advanced algorithmic fuel…
Renesas announces its new li-ion battery fuel gauge IC, the RAJ240500. The design combines advanced algorithmic fuel gauge IC functionality with charger IC functionality in a single device.
Silicon Labs releases a new version of their Simplicity Studio development platform that allows designers to pinpoint…
Silicon Labs releases a new version of their Simplicity Studio development platform that allows designers to pinpoint exactly where energy is being used.
The new 8-bit families have Core-Independent Peripherals, which allow the MCUs to be used in a much larger variety of…
The new 8-bit families have Core-Independent Peripherals, which allow the MCUs to be used in a much larger variety of interconnected CIPs that don't require a core to perform. The CIPs increase system performance with simple design and a 1.8 to 5.5V operating range.
New tunable capacitors from STMicroelectronics are meant to optimize signal-power transfer between a smartphone's antenna…
New tunable capacitors from STMicroelectronics are meant to optimize signal-power transfer between a smartphone's antenna and power amplifier. Other improvements include lower parasitic resistance and inductance, which boost efficiency and reduce heat dissipation, and a higher ESD rating for greater robustness.
The world's first solar wireless mobile charging station finds its genesis in the inventor's hive: Kickstarter. Named ESL…
The world's first solar wireless mobile charging station finds its genesis in the inventor's hive: Kickstarter. Named ESL (or "easel," because the station itself looks like an artist's easel), the station is the only battery charging device meant to be used entirely without wires.
GlobalFoundries launches industry's first 22nm FD-SOIL technology platform at a 20 percent smaller die size and 10…
GlobalFoundries launches industry's first 22nm FD-SOIL technology platform at a 20 percent smaller die size and 10 percent fewer masks than 28nm, as well as nearly 50 percent fewer immersion lithography layers than foundry FinFET.
This article describes certain special cases when performing nodal analysis.
This article describes certain special cases when performing nodal analysis.
This article describes the technical aspects of Performing Mesh analysis with Dependent Sources.
This article describes the technical aspects of Performing Mesh analysis with Dependent Sources.
The world's smallest Bluetooth headset is fully funded and about to become a reality.
The world's smallest Bluetooth headset is fully funded and about to become a reality.
Magnetic devices shape our world: they power our homes, tools, toys, and they even store our data. Quantum physics…
Magnetic devices shape our world: they power our homes, tools, toys, and they even store our data. Quantum physics provides insights needed to understand magnetism and its relationship to the intrinsic nature of the electron.
Smooth buck-to-boost transitions plus efficiency up to 98% makes the new ISL9120 an industry leader.
Smooth buck-to-boost transitions plus efficiency up to 98% makes the new ISL9120 an industry leader.
Delta/wye transforms allow us to replace part of a circuit with a different circuit that, while equivalent in behavior,…
Delta/wye transforms allow us to replace part of a circuit with a different circuit that, while equivalent in behavior, can make circuit analysis much simpler. Here we learn where these transforms come from.
Learn about the Hall effect and how it enables accurate, isolated current measurements.
Learn about the Hall effect and how it enables accurate, isolated current measurements.
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