Java record class is the new language construct introduced into java language to provide succinct way to create types that carry immutable data. record classes are a special
TM1637 is versatile LED driver and keypad scanner chip. There are many 4 digit 7 segment display boards readily available in the market. In this post we will
ESP32 is an inexpensive IoT chip. ESP32 makes it easy to add internet capability to embedded systems. We have seen how to develop a token display using Arduino
Data centers and racks full of servers with multi-core processors comes to mind when we think of web servers. For small webpages, we don’t need all these big
You might have seen some kind of large token display systems in hospitals and other waiting areas. In this post we will develop a token display system using
MicroPython is a customized implementation of python3 for constrained environments such as microcontrollers. MicroPython also implements a subset of python standard libraries. Apart from standard libraries, community added
I have described about TM1637 interface protocol here. In this post we will see how control TM1637 using arduino uno board. We will implement a counter that counts
TM1637 is an inexpensive LED driver come keypad scanner. There are many 4 digit 7 segment displays in market that uses TM1637 LED driver. It can driver upto
ESP32-CAM is an inexpensive ESP32 based video processing board. It comes with ESP32-S AI-Thinker module and 2MP OV2640 camera. Seems the board is designed such that It can
