Recently I bought an Orange Pi PC which is a small single-board computer. It is similar to Raspberry Pi 3 but costs about one third of the price. To testing it's long term functionality and reliability for future purposes I built a setup where I use it as a data logger in the following Internet of Things project.
Some people have dog, others own cat. I have freshwater aquarium with fish. Sometimes I forget to feed them in the morning, then I leave the house. So, what is the solution?
Time did not stop. I keep going with the development of my ESP8266 WiFi module's C library. I have now a very well working own HTTP server layer with lots of capabilities. Let's check out my test application.
A few years ago making a hobby circuit WiFi capable costed at least 30$-40$. In the past year Espressif Systems introduced a very cheap and smart solution for WiFi connectivity.
In my old-new blog I am going to present my applications and experiments regarding it's new WiFi product.
CPLD stands for Complex Programmable Logic Device. It is used for implementing logic using macrocells - it has not software, the hardware is "programmed". In the future I need it to adressing an SRAM, which is important for making a CMOS camera working...