![12V @ 120mA Transformerless Power Supply 12V @ 120mA Transformerless Power Supply](https://www.electronics-lab.com/wp-content/uploads/2017/02/3D-PREVIEW.jpg)
12V @ 120mA Transformerless Power Supply
The circuit provided here is a transformer-less non-isolated power supply which is capable of delivering an output of 12V at 120mA current for an input voltage varying from 85VAC-265VAC. The LNK304 is the heart of this circuit which supports buck boost and flyback topologies. This...
Continue Reading![TI claims first for zero-drift, zero-crossover op amp: precision & linearity TI claims first for zero-drift, zero-crossover op amp: precision & linearity](https://www.electronics-lab.com/wp-content/uploads/2017/02/170207edne-ti-opa388_graphic_6feb2017.jpg)
TI claims first for zero-drift, zero-crossover op amp: precision & linearity
by Graham Prophet @ edn-europe.com: With precision and high input linearity in a single high-performance device, Texas Instruments says it has the first operational amplifier (op amp) to offer both zero-drift and zero-crossover technology. The OPA388 op amp maintains high precision...
Continue Reading![XPlotter, The All-In-One Plotter, Engraver and Laser Cutter XPlotter, The All-In-One Plotter, Engraver and Laser Cutter](https://www.electronics-lab.com/wp-content/uploads/2017/02/competitorss.jpg)
XPlotter, The All-In-One Plotter, Engraver and Laser Cutter
XPlotter is an affordable and easy to use desktop plotter, Laser cutter and engraver. It is designed to create a new definition of plotter. By integrating the laser engraver and cutter into the mechanism, it becomes a versatile desktop tool for artists, craftsmen and makers to set their...
Continue Reading![Teardown of a Peaktech 6225A Teardown of a Peaktech 6225A](https://www.electronics-lab.com/wp-content/uploads/2017/02/DSC_8278.jpg)
Teardown of a Peaktech 6225A
Teardown and analysis of a Peaktech 6225A power supply from ElectroBob: I got a Peaktech 6225A power supply to power some things, as it seemed like a good deal, going beyond what one might find normally in these types of supplies: more display resolution and supposedly, lower noise....
Continue Reading![Virtualette V1, A Tiny Powerful Microcomputer Virtualette V1, A Tiny Powerful Microcomputer](https://www.electronics-lab.com/wp-content/uploads/2017/02/virtualette-v1-a-tiny-powerful-m-1024x576.jpg)
Virtualette V1, A Tiny Powerful Microcomputer
Designed by SRKH Designs, Virtualette V1 is a small dual stack microcomputer that can run Android and Linux operating systems, for network-wide IoT and mobile edge computing solutions and electronics DIY projects. Virtualette V1 is designed based on the dual-core Cortex-A7...
Continue Reading![Open Source DIY Laptop Kit By Olimex Open Source DIY Laptop Kit By Olimex](https://www.electronics-lab.com/wp-content/uploads/2017/02/open-source-diy-laptop-kit-by-ol-1024x576.jpg)
Open Source DIY Laptop Kit By Olimex
Olimex Ltd is a Bulgarian leading provider for development tools and programmers for embedded market. The company has 25+ years’ experience in designing, prototyping and manufacturing printed circuit boards, sub-assemblies, and complete electronic products. The latest amazing product...
Continue Reading![WeMOS D1 ESP8266 vs Arduino Uno, Arduino Due and Teensy 3.2. Which one is the fastest board? WeMOS D1 ESP8266 vs Arduino Uno, Arduino Due and Teensy 3.2. Which one is the fastest board?](https://www.electronics-lab.com/wp-content/uploads/2017/02/wemos-d1-esp8266-vs-arduino-uno.jpg)
WeMOS D1 ESP8266 vs Arduino Uno, Arduino Due and Teensy 3.2. Which one is the fastest board?
In this video educ8s.tv is going to compare the computational speed of the WeMOS D1 ESP8266 based Arduino compatible board with the computational speed of the most popular Arduino boards and the Teensy 3.2. A few weeks ago, in a similar video we compared the performance of the Teensy...
Continue Reading![Puck.js – The Ground-Breaking Bluetooth Low Energy Beacon Puck.js – The Ground-Breaking Bluetooth Low Energy Beacon](https://www.electronics-lab.com/wp-content/uploads/2017/02/6ea47be2bcca0c693df65467f3a276d0_original-1024x576.png)
Puck.js – The Ground-Breaking Bluetooth Low Energy Beacon
Puck.js is a Bluetooth Low Energy Beacon which can be programmed and debugged wirelessly with JavaScript. It is both multi-functional and easy to use. This beacon uses a custom circuit board with the latest Nordic chip, Bluetooth LE, Infrared transmitter, NFC, magnetometer, temperature...
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