Articles

CHIP computer: connection to WiFi, SSH, UART
Hooray. Another article is on the world. How to connect to WiFi, using SSH, using UART and how to connect CHIP computer to display/TV. Articles about CHIP computer: CHIP computer:…

NodeMCU (ESP8266, ESP-12) + SHT75 + TMEP.CZ = Arduino meteostation
Everybody has meteostation… somebody better, somebody worse. I wanted meteostation too. I didn’t spend a time with development of sophistic device. My requirements was very easy – measurement temperature, humidity…

ScriptCommunicator – very good serial terminal for everyone
I was looking for good serial terminal which makes timestamps, creates logs etc. and I found very good ScriptComminucator! Why? I try to explain you in this pictures article. Main…

USB-UART converter with FT230XS and external 3.3V power supply
You can buy a lot of USB-UART converters e.g. with FT232, CH340 or CP2102. Each of USB-UART converters has some advantages or disadvantages. Some doesn’t have drivers inside kernel (linux)…

How to secure linux server
I would like to tell you that I’m not prefessional in security, but i would like to show you article about basic security of linux server. Sources for this article…

SIM908 – development board
I had to create development board with SIM908 – GPS&GSM&GPRS module for diploma thesis. The board is designed as top side. It’s easier than top and bottom sides. On 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…

USART1 – STM32L100 Discovery
If you program microcontrollers by STM (STM32F4, STM32F0, STM32L1) with Standard Peripheral Library your code is bigger than without Standard Peripheral Library. It is motivation why we can program of…

SIM908 – AT commands
If you have our development board with SIM908 or something else, you have to know AT commands for GSM/GPRS/GPS module. Repetition again. You have to connect UART from SIM908 module…

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…
