Author: mixos
Isolated Power Supply for RS485, RS422, RS232, SPI, I2C and Power LAN
Mini Isolated Power Supply is designed for CAN, RS-485, RS-422, RS-232, SPI, I2C, Low-Power LAN applications. The power supply provides +/- 5.50 V DC symmetrical outputs with load current 500mA from 5V DC input. The project is built using SN6505A IC from Texas instruments. The SN6505A...
Continue ReadingTrill – an open-source 3G mobile phone
This is a complete GSM/3G mobile phone, based on the ioNode. Features 128 x 64 OLED display * 16 buttons + 5-way mini-joystick * Microphone & earpiece * MicroSD card slot * MicroSIM card slot * MP3 decoder, headphone amplifier and 3.5mm stereo jack * Vibrator Trill - an...
Continue ReadingSMARC module for Industrial Ethernet
eCOUNT embedded's ES-1XXX is the company's first Computer-on-Module family to support the SMARC 2.0 standard from the SGET. The modules are equipped with ARM Cortex-A9 based Intel Cyclone V SoCs (formerly Altera), which integrate a configurable FPGA. By integrating the...
Continue ReadingArduino controlled Dual Mono AK4490 DAC (part 3)
Here’s the part 3 of Dimitris’ Arduino controlled Dual Mono AK4490 DAC project. If you missed part 1 and part 2, check them out. Following up on Part 2, it’s time to talk about the output stage. This output stage is the brainchild of my friend Kostas, all I did was lay out the...
Continue ReadingFirefly – an annoying little thing
Here's a tiny pcb that produces an annoying sound using a piezo buzzer and a ATtiny13 microcontroller. It uses an LED, piezo buzzer, ATTINY13 Atmel microcontroller, a very small amount of Arduino code, and a coin cell battery that should last about a week. Battery life could be...
Continue ReadingEAGLE 8.7 – Parametric 2D & 3D model generation, library.io, more!
Today we’re proud to announce the release of EAGLE 8.7 and what is quite possibly one of the biggest releases we’ve had to-date, this time focused (largely) on libraries and library development (and what that means for 3D modeling of your finished PCB)! But before we get into it,...
Continue ReadingDisplaying Customized Graphics on OLED display using Arduino
One thing we all always wish we could do when using any display is to load our own custom graphics, be it a logo, gif etc. In today’s tutorial we will show how to do just that on an OLED display using an Arduino. OLED (organic light-emitting diode) display is a display based on...
Continue ReadingHelix Semiconductors starts production of DC-DC power chip
Fabless power semiconductor startup Helix Semiconductors has started mass production of its MxC200, a configurable high-efficiency 15W DC-DC power chip. Previously known as the HS200, the MxC200 takes voltage input ranging from 12V to 48V and converts it to selectable lower...
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