I’ve been in the electronics and computing industries ever since I graduated with my BSc from Sheffield Hallam University in the UK back in 1980. Since that time, I’ve designed all sorts of weird and wonderful things (some of which even worked), including my fair share of printed circuit boards (PCBs). I’ve also been associated […]
The incredible story behind the Gerber PCB file format Read More »
This project is a 7 segment LED display module that can be driven using SPI protocol, so it needs only 3 pins of your mcu to drive 4 x LED displays. It’s based on MAX7219 LED display driver. Description Seven segment LED displays are very popular for displaying numeric information because they are very attractive
Serial 4-digit seven segment LED display Read More »
During the last months, a new WS2812 alternative appeared on the market: The SK6812. I finally managed to get my hands on some of them to take a closer look. In most aspects these devices are basically clones of the WS2812. What is interesting however, is that the manufacturer came up with a couple of
The SK6812 – another intelligent RGB LED Read More »
Accelerating data rates, greater design complexity, standards requirements, and shorter cycle times put greater demand on design engineers to debug complex signal integrity issues as early as possible. Because today’s serial data links operate at gigahertz transmission frequencies, a host of variables can affect the integrity of signals, including transmission-line effects, impedance mismatches, signal routing,
Eye Diagram Basics: Reading and applying eye diagrams Read More »
A BIG HELLO! and welcome to Mixed Outputs first instructable. As most of my project involve electronics of some sort, having a good power supply is essential to be able to meet the demand of different power requirements. So I built me a bench-top power supply from an old ATX power supply Unit (PSU) that
Portable Adjustable Mini Powersupply Read More »
MediaTek expects to see the first smartphone with a mobile processor it has designed based on an ARM Cortex-A72 dual core processor before the end of the year. MediaTek of Taiwan is believed to be the first chip firm to see first silicon of the new 64-bit processor, which will give mobiles PC-class performance for
MWC: MediaTek first with ARM’s Cortex-A72 ‘PC-class’ mobile chip Read More »
Amazon’s Dash Button, which I previously mentioned back in late May 2015, is the ultimate in consumer convenience (or, if you prefer, consumerism gone crazy). Simply press a button on the inconspicuous adhesive-backed device (perfect for attaching to your washer and dryer, refrigerator, counter, or cabinet), and your Amazon account is charged for the purchase
Teardown: Amazon Dash Button keeps you connected Read More »
The STS3x is Sensirion’s newest high-accuracy digital temperature sensor series. The STS3x temperature sensor utilizes the industry-proven CMOSens® technology and wins over users with its increased intelligence, reliability, and improved accuracy specifications. The functionality of Sensirion’s new STS3x temperature sensor includes enhanced signal processing, two distinctive and user-selectable I2C addresses, and communication speeds of up
High-Accuracy Digital Temperature Sensor STS3x Read More »
Any hobbyist can charge a battery quickly, but can you do it without an explosion, excessive heating or major degradation in battery cycle life? Well many companies have managed fast charging techniques that typically use specialized algorithms. These algorithms take into account the chemistry of the battery and some sort of non-standard charging rate curve.
Charging batteries rapidly and safely Read More »
The Project is based on LV8727E IC from ON Semiconductor. The LV8727 is a PWM current-controlled micro step bipolar stepping motor driver. This driver can provide eight ways of micro step resolution of 1/2, 1/8, 1/16, 1/32, 1/64, 1/128, 1/10, 1/20, and can drive simply by the step input. This Bipolar Driver works with supply
4A Bipolar Stepper Motor Driver Based on LV8727E Read More »
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