Smart Watch
Matthew Filipek from Cornell Univercity has build a nice smart watch with 1.7 inch touch screen, SD card, Bluetooth module and various apps. One of the main inspirations for this project was Jared Sanson's implementation of a DIY smartwatch (REF 0). With several design iterations, he...
Continue ReadingSerialUSB: A cheap USB proxy for input devices
Serialusb is a cheap (~$5) USB proxy intended to be used with input devices. It is the combination of: a PC software operating the host side of the proxy an atmega32u4 firmware operating the device side of the proxy SerialUSB: A cheap USB proxy for input devices -...
Continue ReadingchipKIT Tutorial: Using Nokia 5110 LCD
Raj @ embedded-lab.com has posted another great tutorial on how to interface a Nokia 5110 LCD to chipKIT board. Today, we will see how to connect a NOKIA 5110 graphical LCD (used in Nokia 5110 cell phones), which is a 84×48 pixel monochrome display of about 1.5″ diagonal in size....
Continue ReadingCreating G-Code via EAGLE software
Boris Landoni shows us how to create G-Code using Eagle PCB design software: To create a PCB with 3Drag , by milling , it is necessary to have the G-Code files for the tracks patterning and for the holes relating to the printed circuit board itself. In this section we describe how to...
Continue ReadingLTC3643 – 2A Bidirectional Power Backup Supply
Linear Technology Corporation introduces the LTC3643, a bidirectional, high voltage boost capacitor charger that automatically converts to a buck regulator for system backup. The proprietary, single-inductor topology with integrated PowerPath™ functionality does the work of two...
Continue ReadingArduino Tutorial: Using a Servo SG90 with Arduino
educ8s.tv shows us how to use a servo motor with Arduino UNO: A Servo is a small device that has an output shaft. This shaft can be positioned to specific angular positions by sending the servo a coded signal. That’s why we need the Arduino, in oder to send that signal to the...
Continue ReadingLTC3106 – 300mA Low Voltage Buck-Boost Converter
The LTC3106 is a highly integrated, 1.6μA quiescent current 300mV startup buck-boost DC/DC converter with PowerPath management, optimized for multisource, low power systems. The LTC3106 is ideal for powering low power wireless sensors from rechargeable or primary batteries...
Continue ReadingDIY-Thermocam – an open-source, do-it-yourself thermographic camera
Max Ritter has pointed us to his latest project, the DIY-Thermocam, a open source thermal imager based on FLIR thermal sensor. The results are awesome! The device is based on the popular FLIR Lepton thermal sensor and uses a Teensy 3.2 mikrocontroller to display live thermal images...
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