Recent posts

Build Your Own Private Cloud with NextCloud

3 minute read

After trying many note taking apps I decide to use Joplin which is an open source project, there are many options out there for synchronizing the notes via O...

Monitoring Embedded Devices with Munin

3 minute read

Recently I was debugging a system hang problem on arm board, I reproduced this issue once, and noticed when this occurred, the interrupts on can interface is...

Blink Sketch on ESP8266

5 minute read

Making blink LED working with Arduino on ESP8266 is incredibly easy, with just a few clicks, of course you need to install Arduino IDE first, download the la...

Run MicroPython on ESP8266

4 minute read

MicroPython is a python implementation aimed to be running on MCUs such as ESP8266/ESP32, stm32 etc, all the ports can be found here, the following will only...

Build NodeMCU Firmware for ESP8266

3 minute read

NodeMCU is one of the most popular firmware for ESP8266 and ESP32 wifi SoCs, the firmware is written in c and has Lua interpreter builtin which is based on L...