
The DIY enthusiast assembled two 3D printers together. It works.
Shintaro Kono had two MK3S 3D printers at home. He could have bought an upgrade kit to upgrade to CoreOne, but he (probably) said NO! I’ll combine them to have one large, functional printer. And that’s exactly what he did. Shintaro assembled the two MK3S printers together, giving him double the print area.
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FTP with Raspberry Pi – anonymous and ftp-user
Instalation FTP (vsftpd): sudo apt-get install vsftpd in the file /etc/vsftpd.conf find setting for vsftpd. You can find setting for enable anonymous, allow log in from local users, enable any…

19 development boards to 30? from manufacturer
The development boards are very popular. I decided to share this list. These boards are interesting, popular and cheap (to 30? – by farnell.com). If you click on the picture,…

Raspberry Pi – LED Turn On/Off and Blinking
Blinking LED is basis any programming. This is complete code for blinking LED, turn ON or turn OFF LED on GPIO 7. The program is written in python language and…

Wirelles module NRF24L01(2.4GHz) doesn’t work
Our reader (V.K.) send article by inoperative wireless module NRF24L01 with integrated amplifier, which works on frequency 2.4GHz. His project was function with module with integrated antenna, but project with…

Step-down MC34063 – 12-3.3V/500mA
This is next circuit switching converter. This converter reduces the voltage from 12V to 3.3V with very popular DC/DC converter MC34063. The coil was calculated on the 22uA, but the…

Eagle tips and tricks
HOW TO create a bus, adding copper ground pour in Eagle, adding pin power operational amplifier, move text/name/value components, increasing pad (pin) of component. How to increase size of pad…

uCLinux and STM32F429
If you want to try linux on STM32 microcontrollers (ucLinux a STM32F429-Discovery), check this tutorial. First step, download openocd from sourceforge website or install it from application and software center…

MSP430F2132 and programming with LaunchPad – Spy-bi Wire
Microcontroller MSP430F2132 is programming 2-Wire JTAG (=SBW, Spy-bi Wire) or 4-Wire JTAG. MSP430 LaunchPad can programming SBW. On input reset (RST) is connected pull-up resistor. If microcontroller isn’t connected, you…

Tutorial: STM32F746 (STM32F7 Discovery) – how to turn on/off LED by button
This is another continue of STM32 tutorial (STM32F746 tutorial). I would like to show example code for turn on/off LED with button. This example code is able to use for…

How to begin with STM32 and why – tutorial
AVR, ATMega, ATTiny, PIC, Arduino… these are very searching words in google and I asked myself “Why?”. Yes, AVR by Atmel or PIC by Microchip family is popular, but we…
