This digital clock speaks the time in two languages (English or Portuguese). The language status is stored in Arduino – EEPROM to keep this information even when it is restarted or turned on. It was introduced as optional a mini amplifier PAM8403 (3W + 3W) for better control of the sound level in the speaker. I am using only one speaker (one sound channel), but you can add another if you want.
Blynk is a Platform with iOS and Android apps to control Arduino, Raspberry Pi and the likes over the Internet. It’s a digital dashboard where you can build a graphic interface for your project by simply dragging and dropping widgets. It’s really simple to set everything up and you’ll start tinkering in less than 5 mins. Blynk is not tied to…
A few months ago, we presented a powerful shield that can enable devices from the Arduino family (Uno and Mega) to interface with the SIMCOM modules SIM900 and SIM908. Such modules provide integration with the world of GSM, GPRS and GPS and all is achieved through very simple Arduino commands thanks to the open-source dedicated…
Ian Bernstein, founder and head of product at Misty Robotics is calling for a departure from thinking of robots as tools and machines to thinking of them more as platforms. Misty is looking to employ the collective skills of STEM students, tinkerers, and robotics majors to begin programming and using the Misty II for their…
It monitors the electricity consumption and sends the detected data to the cloud through the GSM cellular network; it is based on an Arduino Mega equipped with GSM Shield and a board on which the measurement board is mounted. Second and final instalment. In the previous post on Open Electronics, we have proposed…
As you may know, Josef Prusa is among the most important contributors of Rep Rap project. Prusa Mendel, a simpler, easier to build variation of Rep Rap’s Mendel printer. Josef Prusa is famous for his dedication to the openness of Desktop 3D Printing, his post, “Open Hardware Meaning” and his Occupy Thingiverse, in late 2012 when we all…
Besides being a friend of Open Electronics, Sergio Subrizi is one of the few in the world who have had the experience of building the MechMate: a DIY, Open Source CNC Router. Judging from the beautiful machine that Sergio was able to build, his experience will be useful to all those who venture into this…
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