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Getting Date & Time From NTP Server With ESP8266 NodeMCU
Every once in a while you’ll come across an idea where keeping time a prime concern. For example, imagine a relay that has to be activated at a certain time or a data logger that has to store values at precise intervals. The first thing that comes in your mind is to use…
Raspberry Pi shield for 3D Scanner
Available in our store the shield used with Raspberry Pi to make a 3D scanner. This shield contains a driver for stepper motors that is based on Texas Instruments’ DRV8825 integrated circuit, in addition to a line-driver ULN2003, that is used in order to power the linear lasers as a consequence of a command from…
Robot shield for Arduino
[iframe_loader src=”http://www.youtube.com/embed/11ydTnaXueA?hl=it&fs=1″ height=”349″ width=”425″ ] The idea behind this post is to bring together some robot designs and trasform them in a new device with new hardware and standard software (arduino of course) and so easier to use. These robots have three things in common: a mechanical structure, the hardware and the software. While the…
433 MHz receiver 8 channels with self-learning
Self-learning UHF receiver consisting of a radio receiver board with Motorola decoding and a module equipped with 8 relays operating in impulse or bistable mode. In many home automation applications and in general where it is necessary to exercise remote control by radio of multiple devices installed in the same place, the classic single…
FarmBot Founder Rory Aronson explains Precision Agriculture
If you have not yet discovered project Farmbot, this interview will be a revelation to you. The project in question, has the ambition to bring digitalization into one of the oldest processes in society, that of agriculture. The vision behind “precision agriculture” is particularly interesting and so Open Electronics decided to interview Rory Aronson, the…
Theremin based on Arduino Uno
The theremin is an electronic musical instrument, the oldest known that does not involve physical contact of the performer with the instrument. In fact, the sound is obtained by waving the hands near its two antennas. Open Theremin is an Open-Source hardware implementation based on Arduino Uno. Together with Arduino, a Shield was built in…
