Year: 2015

Maurizio @ dev.emcelettronica.com discuss how we can do serial communication in Excel environment. He writes: The purpose of this article is to demonstrate how you can perform serial port communication in the VBA (Visual Basic Applications – script editor included in any typical...

One of the element in medical is the temperature, it prevents the buildup of humidity in the operating room, prevents the doctor and nurse from sweating while operating and refrigeration of medicines. In medical applications, reliability of the components is critical. The TE...

Vassilis Serasidis build a simple Webradio player based on ARM 32-Bit Cortex-M0. He writes: On 31 August 2015 I got the new WIZnet platform board, the WIZwiki-W7500 that is based on a Cortex-M0 cpu at 48MHz with 128 kBytes of flash memory and 48 kBytes of RAM shared with the...

Spiros Papadimitriou build a nice clock based on ESP8266 Wifi and 2.4" LCD module. He writes: This was a week-long hack, to build a simple touchscreen clock, with the following features: Graphical UI with touch (no buttons) Clock synchronization over NTP Ability to control...

pulsetronics.blogspot.com.ng has build a nice version of PICKIT Programmer: This is my PICkit 2 clone design. Its based on a simplified version of the Microchip PICkit 2 schematic and only supports 5v parts. It works with all the Microchip software including MPLAB, MPLABX,the PICkit...

Building an MP3 player with Arduino is extremely easy. We use the DFPlayer mini in order to build a simple MP3 player. The MP3 player has 3 buttons, in order to Play/Pause, to load the next song and one in order to load the previous song. In this video we are using an Arduino Uno, but...

Ken Shirriff's blog looks inside the famous 741 OPMAP and discuss how it's made and how it's working: The 741 op amp is one of the most famous and popular ICs[1] with hundreds of millions sold since its invention in 1968 by famous IC designer Dave Fullagar. In this article, I look at...

this is a DDS Funtion Generator by Theodorou Gerasimos: DDS chips are readily available, greatly simplifying the design of the analog part of a wide-range function- or signal generator. All you need to do (they say!) is choose one, add some suitable output circuitry, pick a...