During Embedded World 2017 in Nürnberg I was lucky to get a handful LPC800-DIP boards. To get all students who were lucky to get one, here is a tutorial to make that very exciting ‘blinky’ a... Read more
This article describes a simple continuity tester, based on an ATtiny85 and a piezo buzzer, designed for checking circuit wiring, or tracing out the tracks on a PCB: It has a low threshold r... Read more
I have a $500 Rigol DP832 programmable triple-output power supply sitting on my bench, yet I built a 5V regulator to sit atop a 9V battery for some reason. Perhaps it’s more portable, or che... Read more
Most of you must have watched quiz games in TV shows or at your schools where few contestants are required to press a switch if they know the answer to the question. An electronic system is... Read more
LED signage has become the choice in modern days to convey message to visitors of a venue. Be it corporate office, shops, restaurants or any kind of social functions like marriages. Some big... Read more
Room temperature display on big screen is a common requirement from industrial sector. Used in server rooms, PLC rooms, storage rooms and many other places in an industrial units. Traditiona... Read more
Description In under 1kB, this project uses a tiny, custom-made pixel font to write a message to a display. It receives messages from the UART and writes them to the display. The font was cr... Read more
This article describes a four-channel thermometer that monitors the temperature at four temperature sensors, and gives a continuous readout on a small 128×32 OLED display: It could be u... Read more
Connecting Bluetooth Module with Development Board The Bluetooth module has seven interface pins of which two are NC (not connected) pins. The table below shows how you can interface with it... Read more
Last Thursday I had a lot of fun doing a workshop at my college (UMass Amherst) where I taught students to use a WiFi-enabled Color LED matrix combined with Javascript programs to create ani... Read more
