After you finished your PCB design, you can directly order PCB from EasyEDA. EasyEDA provides fast and cheap prototyping service. They provide online instant quote, fast fabrication and competitive price, which saves a lot of time and money for customers. PCB: 2-Layer 5cm×5cm Max […]
Prototype Your PCB On EasyEDA Read More »
Three weeks before the Houston Maker Faire Chris came to me asking if we could whip up a low cost giveaway for the faire. I wanted to giveaway something more than a blinky LED badge since that is the typical electronic swag at Maker Faire. It had to be something that the person would wear
Designing and Building the Macro Watch Read More »
The ARC was designed to bridge the gap between high-end sound quality and the world of digital music. This ultra-compact system provides high-resolution USB audio and high quality aptX Bluetooth audio for an astonishingly detailed sound. Fully integrated with the latest in class-D amplifier technology, the ARC is a complete high-end digital audio system. For
ARC Digital HD Amplifier (Canceled) Read More »
You can use a PIC microcontroller and an LED matrix to create a binary clock (or if you prefer you can wire up individual LEDs). This project uses an LED matrix block as it saves lots of wiring. So what is it ? Its an led clock that displays the time information as binary numbers…
Making a binary clock using a PIC Microcontroller Read More »
An eight pin Microchip PIC microcontroller is programmed to operate from a 32768 Hz watch crystal and output waveforms which, when displayed on an oscilloscope, show the time in HH:MM:SS format. The screen capture shows winscope showing 12:46: … Step 1: Design the character set On an oscilloscope screen, vertical axis (up and down) corresponds
Oscilloscope clock Read More »
When I started my career in control systems I was fascinated with the many different ways that machines could be interfaced to the environment they operated in. Limit switches (electrical and optical), encoders, resolvers, strain gauges, thermocouples… the control system engineer had a long list of sensors to choose from. And the list has grown
Analog Ultrasound Range Finder Read More »
