samDEV_09 – Mini devboard for Atmel’s SAMD09 ARM Cortex M0+ Microcontroller
Mcu

samDEV_09 – Mini devboard for Atmel’s SAMD09 ARM Cortex M0+ Microcontroller

A Basic board to test the Atmel SAMD09. On board there is also a CH340 uart to usb bridge Build this board to getting started with the SAMD microcontroller family after I made the mistake to try the much bigger SAMD21 first. The SAMD09 used here is he smallest from this family and...

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USB to UART Converter with GPIO – MCP220
InterfaceUSB

USB to UART Converter with GPIO – MCP220

The Module is based on The MCP2200, which is a USB-to-UART serial converter which enables USB connectivity in application that have a UART interface. The device reduces external components by integrating the USB termination resistors. The MCP2200 also has 256-bytes of integrated user...

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Hacking a UART on a blood pressure cuff
Interface

Hacking a UART on a blood pressure cuff

moamindustries.com hacked an Omron RS8 blood pressure cuff by adding a UART interface to it. As part of a prototype developed 12 months ago I was tasked with reading measurements from a blood pressure cuff [sphygmomanometer] in real time. Not surprisingly there are no consumer level...

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Serial Port Communication in C#
Interface

Serial Port Communication in C#

Maurizio tipped us with his latest article on how to use Serial Port in C#. The article does cover the basic code needed to achieve serial communication. The serial port of the PC is a very important resource both in industrial environment and in home-made electronics, due to the...

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Kinetis KEA128 StarterTRAK for CAN Applications
Mcu

Kinetis KEA128 StarterTRAK for CAN Applications

This reference design is a low-cost development kit based on Kinetis EA series MCUs that allows faster prototyping and tool reuse. This evaluation board features either one of the KEA128, KEA64 or KEA8 MCUs, depending on the board version. This particular design uses KEA128. The...

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U8plus Smart Watch Quick Teardown
Products

U8plus Smart Watch Quick Teardown

sodnpoo.com has reverse engineered a cheap smartwatch he found on amazon: I noticed this smart watch on Amazon for the bargain price of £7.51, which was just too cheap to ignore - I didn't expect much but I was quite surprised at how functional it actually was... Anyhow, it was...

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ESP8266 weather display – work in progress
Mcu

ESP8266 weather display – work in progress

Markus Hirsch is working on a ESP8266 weather display using an AVR mcu and an OLED display: This is a little weather monitor. It has a 2.2" color display and is powered by an AVR and the ESP8266. The AVR controles the display. The ESP has a custom firmware written in the Arduino IDE...

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NerO – An Energy Efficient Arduino UNO Compatible Design
Arduino

NerO – An Energy Efficient Arduino UNO Compatible Design

A reference design for an Arduino UNO compatible board based on the FTDI FT231X USB UART, delivers 5V at a full 1A without overheating. The UNO R3 is the staple of most Arduino based projects but it's been around for a number of years and many of the features have been improved for...

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