Portable temperature, humidity and light ambient datalogger. Part 1
09.29.2016 · Circuits
I’m continuing here with the last board I design and now I’m continuing testing. It’s a battery-powered small datalogger based on a PIC18F2620 microcontroller. The idea comes a few months ago, talking with a friend. He needs something to monitoring temperature and humidity inside a sea container, for a three weeks travel from Spain to China...
Primary-Side Switcher from Diodes Incorporated Raises Power Supply Efficiency
09.29.2016 · News
Diodes Incorporated introduced the AP3983 series of products. This family of primary-side power switchers enable power supply designers to handily achieve the high conversion efficiency needed to meet Energy Star Level 6 and EU CoC Tier 2 requirements. Operating up to 80 kHz, the AP3983 series employs piecewise Pulse Frequency Modulation in discontinuous conduction mode to regulate the primary-side voltage and current to better than ±5% and provide an audible noise-free solution for chargers, ADSL adapters and home appliance power supplies...
Qualcomm Snapdragon 600E and 410E Designed for Embedded Computing, Internet of Things Applications Now Widely Available
09.29.2016 · News
Qualcomm Incorporated announced that its subsidiary, Qualcomm Technologies, is introducing the Snapdragon 600E and 410E processors, for embedded applications in many verticals such as digital signage, set-top-boxes, medical imaging, point of sale systems, industrial robotics, and other Internet of Things (IoT) related applications. Qualcomm Technologies has utilized its mobile investment in Snapdragon processors to introduce solutions for product categories beyond smartphones. The Snapdragon 600E and 410E are being made available globally by third party distributors...
Simple circuits reduce regulator noise floor
09.28.2016 · Circuits
In the old days every instrument or system had a power supply board with discrete, homemade regulators on it to power the system. Then IC's like the LM7805 series of voltage regulators changed everything. No longer were system designers required to spend their time designing the power supply section also. These modern IC's even incorporated much improved current limiting and thermal protection. As such, the reliability of everything electronic improved overnight...
Microchip Debuts New Development Board for Designing with 16-bit and 32-bit PIC Microcontrollers
Microchip Technology Inc. announced the new Explorer 16/32 Development Board for designing with 16-bit and 32-bit PIC microcontrollers. This new board is offered at a reduced cost from Microchip’s popular Explorer 16 Development Board and comes with an integrated programmer/debugger and several new features that address the latest embedded systems design needs. The board provides a flexible, convenient and easy-to-start tool while being backwards compatible to the classic Explorer 16 Board...
Allegro MicroSystems, LLC Introduces New Bipolar Stepper And High Current DC Motor Driver IC
09.27.2016 · News
Allegro MicroSystems announces a new 40 V motor driver IC capable of driving one stepper motor and one DC motor. The stepper driver outputs are rated up to 1.6 A and the DC driver at 3.2 A. Allegro’s A5989 includes fixed off-time pulse width modulation current regulators, along with 2- bit nonlinear DACs (digital-to-analog converters) that allow stepper motors to be controlled in full, half, and quarter step...
Pine64 Unveils $2 PADI IoT Stamp WiFi IoT Module with FreeRTOS SDK, Upcoming ARM mbed 5.0 Support
09.26.2016 · News
ESP8266 WiFi modules initially stormed the maker market for IoT applications thanks to their low price, and later it became the dominant WiFi IoT platform for hobbyists thanks to its large community of developers. But technology progresses over time, and it’s always fun to look out for new solutions, and Realtek RTL8710 could prove to be an interesting alternative with its ARM Cortex-M3 processor @ 166 MHz, a little more user memory (48KB), audio support, faster WiFi performance. Realtek RTL8710 WiFi IoT modules came out as potential competitors to ESP8266 modules last month, with similar features. an ARM Cortex M3, and a pricing as low as $2 in quantities...
Alpha and Omega Semiconductor Announces Addition to 1350V IGBTs Family Optimized for Soft-Switching Applications
09.22.2016 · News
Alpha and Omega Semiconductor announced the addition of AOK30B135W1 to its 1350 V AlphaIGBT™ family. The new AOK30B135W1 has been optimized to deliver high performance by reducing switching loss in soft-switching home appliance applications such as induction cooking, rice cookers, and inverter-based microwave ovens...
ENIAC is formally announced, February 15, 1946
09.22.2016 · Articles
ENIAC (Electronic Numerical Integrator And Computer), the first electronic general-purpose computer, was formally announced on February 15, 1946. ENIAC had been heavily veiled before its first announcement, although its construction contract had been signed by the United States Army on June 5, 1943...
EasyEDA provides new PCB order system and DXF import
09.22.2016 · News
EasyEDA is a free, cloud-based EDA application for drawing circuits, running SPICE simulations, designing PCBs, and even placing orders for fabricating PCBs. Earlier we have released an online Gerber viewing tool to visualize the Gerber files generated by a PCB CAD tool. The tool supports the Gerber RS-274X format, which is an industry-standard image description format for PCBs...