A buddy of mine wants to monitor the temperature and humidity levels (among other things) in his dog kennels. I connected a Ethernet Shield to an Arduino, added a DHT-11 Temperature / Humidity Sensor, and whipped up a sketch that
The PS/2 Keyboard Smart Shield prototype is operational! Now on Instructables! This is Part 3 in the series. The Atmel 328P DIY Arduino is reading a PS/2 Keyboard, converting the scan codes to characters, and transmitting the characters to the
Continuing from Arduino Keyboard Shield – Part 1, we now have keyboard input from a PS/2 keyboard displaying in the serial monitor. The next step will be building the Smart Shield, which contains a ATMEL 328P running the following code, and
Many folks starting out in microcontrollers do not know what interrupts are, or are intimidated by them. Today I hope to shed some light on this easy to use, and useful function. There are two ways to detect if an
This is the fourth tutorial in our 37 in 1 Sensor Kit series. We have addressed this module and it’s family in several previous posts. It’s a low end temperature and humidity sensor accurate enough for residential weather and environmental
This is the third tutorial in our 37 in 1 Sensor Kit series. Normal volume controls and potentiometers have stops at each end of the scale. A rotary encoder is a bit different. There are no stops, it’s continuous 360
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