5-V Qi Low-Power Wireless Charging Transmitter Reference Design

From circuitcellar.com 7 years ago in News

NXP Semiconductors has announced the availability of a new reference design for 5-V low-power Qi wireless charging transmitters, compliant with the Wireless Power Consortium (WPC) 1.1 Qi specification. The design is based on NXPs single-chip 5-V wireless power transmitter IC—the NXQ1TXA5 … Continue reading →

Articles from Circuit Cellar

July (issue #384) Circuit Cellar

From circuitcellar.com 2 weeks ago in News

Click here for the Circuit Cellar article code archive 6: Searching for Gold with X-Rays: Using a Common PIN Photodiode, By George R. Steber REFERENCES[1] Amptek, Inc., “XRF Instrumentation – Introduction to spectrometer”https://www.amptek.com/-/media/ametekamptek/documents/resources/tutorials/4-amptek-intro-to-spectrometer.pdf?la=en&revision=8006de1c-8d2c-49b2-b71f-bc1085236bb4[2] Cremat Inc., “Femtojoule Detection”,https://www.cremat.com/femtojoule-detection/[3] F. J. Ramírez,...

Op-Amp Frequency Compensation

From circuitcellar.com 3 weeks ago in News

We all know that an op-amp has a very high open-loop gain, typically 100 to 120dB (100,000 to 1,000,000), but how does this vary with frequency? The answer may surprise you. Figure 1 shows a typical curve I have taken...

Embedded DevOps Moving Into the Internet of Things

From circuitcellar.com 3 weeks ago in News

When we think of DevOps, we think of software, naturally. But DevOps is a collection of different technologies and methodologies, that work together in collaboration between software developers and application operators. A continuous development and maintenance process can also be...

Engineering Crossword #67

From circuitcellar.com 3 weeks ago in News

The post Engineering Crossword #67 appeared first on Circuit Cellar.

Hand Gesture Detection

From circuitcellar.com 3 weeks ago in News

Using Broadcom’s APDS-9960 The embedded technology available today for hand gesture recognition is truly impressive. Here, Jeff examines the capabilities of Broadcom’s APDS-9960 combo sensor. He investigates each function of the sensor—digital proximity, ambient light, RGB, and more. While it’s...

Riots Is A Microcontroller and Sensor Family, with a Mama and Little Babies

From circuitcellar.com 3 weeks ago in News

Riots were born of a need to control the mass of wires for the founder’s many IoT things. It is a Microcontroller and sensor family that utilizes plug-and-play hardware, software, and cloud-based technology to create smart, energy-efficient homes and businesses....

Portenta X8 is an Arduino SoM With Linux Preloaded Onboard

From circuitcellar.com 3 weeks ago in News

Arduino’s Portenta X8 system-on-a-module (SoM) comes with Linux preloaded and ready to go right out of the box. The industrial-grade SoM is capable of running device-independent software due in large part to its modular container. There is onboard WI-FI/Bluetooth Low...

Raspberry Pi Pico is a Microcontroller With the Same Reliability as All Raspberry Pi’s

From circuitcellar.com 3 weeks ago in News

The Raspberry Pi Pico is the stand-out microcontroller that debuted recently to join the company’s line of boards. Built around the RP2040 silicon platform, Pico is a high-performance, low-cost, easy-to-use microcontroller. There is a large on-ship memory, symmetric dual-core processor...

Traco Power Releases Open Frame 180W Power Supply Focusing on Medical Applications

From circuitcellar.com 1 month ago in News

Traco Power has launched its TPI 180 and TPP 180 open frame and encased encapsulated power supplies for industrial and medical applications. The units offer the latest reinforced double I/O isolation system, following the latest medical safety standards certifications (IEC/EN/ES...

Raspberry Pi Rescue Robot

From circuitcellar.com 1 month ago in News

The Scouting Owl Project A rescue robot can play an important role in searching for endangered individuals and studying hazardous conditions. Learn how these Cornell students built a Raspberry Pi 4-based robot that allows rescuers to detect and communicate with...