| Connecting two or more I2C devices sometimes requires level adaptation since on device might be using 3V3 and another 5V. Providing adequate...
jordaaaa (8)
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![Universal I2C bus isolator and level adapter [150089]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Fi2c-prototype-0.jpg)
| Connecting two or more I2C devices sometimes requires level adaptation since on device might be using 3V3 and another 5V. Providing adequate...
| I would like to build an analogue clock using old fashioned Voltage meters to display the hour, minute and seconds.Using a networked Arduin...
| Having kids now I thought its time to dust off the old model train set - nothing fancy just plain old 12V DC model.
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![Tacho/RPM for CNC etc using Arduino Micro and OLED Display [130470-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Ftacho-display.JPG)
| I needed a tacho/RPM display for a CNC spindle. I decided to use an Arduino Micro and OLED display with a reflective LED/Photo transistor as...
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![3D Printer Head and Mat Temperature controller - using Arduino [130500-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2F3d-temp-display.JPG)
| Intro:For 3D pinting, different filament (ABS, PLA etc) requires a suprising accurate temperature for extrusion to get the best results. Th...
| I needed a tacho/RPM display for a CNC spindle. I decided to use an Arduino Micro and OLED display with a reflective LED/Photo transistor as...
| Intro:For 3D pinting, different filament (ABS, PLA etc) requires a suprising accurate temperature for extrusion to get the best results. Th...