Archive for May 2016

3D Printing (Part 9)

Part 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 Open source printers are for ? … They are for mods, hacks and tweaks ! The first obvious modification (not to say immodestly improvement) deals with the cooling air blower in front of the print head. Most the air flow would splits on the Y axis rod, some would re-converge thanks to physic’s law, […]

3D Printing (Part 8)

Part 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 This post is all about the new printer that I bought for my own pleasure and private use ! It globally fullfils my own requirements which could be enumerated in this way: Budget: less than 800€ Printed material: PLA and ABS, others if possible; 1.8 mm filaments Open source: mandatory Extruder: 1 Printed volumes: 160x160x160 […]

Stepper Motors (Part 5)

Part 1, 2, 3, 4, 5, 6, 7, 8, 9 The A4988 in details Previous posts described the basic use of the A4988 driver. We shall get deeper in the A4988 driver in order to achieve the ultimate driving performances. Apart from the STEP and DIR pins the A4988 driver features additional functions addressable through the following […]

Tips and Tricks (Part 25)

Previous T&T Burn Arduino bootloader… or burn your time ! Problem: When trying to burn the bootloader on any Arduino compatible board using the AVRISP mkII, Arduino IDE reports a “avrdude: usbdev_open(): did not find any USB device “usb“, “Error while burning bootloader.” smashing error message. Although many people faced this problem and many other tried […]

Cool stuff of the day

My daughters played a lot with their “Polly Pocket” in their young ages ! An endless perspective of gaming nicely packed in a hand palm format. Which translates into this portable lab case… in the the Arduino’s world ! Isn’t it cute ? More on the Arduino UNO Portable Lab Case >here<