Content for 20x4 LCD

Arduino - LCD 20x4 Water LEVEL MONITOR HC SR04

“Hello world! Today i made a Water Level Monitor with arduino and the HC-SR04. It is a pretty basic example on what you can do with the HC-SR04 Ultrasonic Sensor and shows you the centimeters that are left …

Yet another Arduino clock

“Does the world need more Arduino clocks? Maybe not. But I needed another Arduino project as I had made a K3NG morse keyer. I love this keyer because it is unique in supporting a display where you can see what …

Capacitor Tester / Capacitance Meter

“If, like myself, you’ve got an enormous stash of unlabelled electronic components that seem to look like capacitors, it’s probably a good idea to either throw them away or test them with a capacitance tester. Furthermore, there’s …

CO2, Temperature and Humidity Monitor

“CO2 Monitoring is mandatory in many workplaces and it affects two of my clients directly in Barrel Halls where wine is stored and aged in temperature and environmentally controlled areas. The table below shows the affects of various concentrations in …

Automated Plant Watering System

“Going away from a while? Need something to babysit your house plants? This box will automatically deliver an adjustable volume of water to four plants (or less) every day, or once every “x” day (up to seven days). A micro …

Building a 3D Printer Under 299$

“It’s a low cost, full-featured 3D Printer, and the most important thing is, you don’t need any 3Dprinted parts to build the 3D Printer. If I have a 3D printer,I don’t have to look around how …

Control and supervision of the pool

“After a long absence on the blog, here is my latest project: connecting the pool to home automation. Why ? We have a swimming pool equipped with a control system “automatically” pH and chlorine (electrolysis). Except that the chlorine control is …

DIY pseudo-BGA

“Man, I hate drilling holes in PCBs. I make my boards with a mill, so it shouldnt be too hard to swap the V-cutting bit for a drill bit, but I Just. Cant. Be. Arsed. And besides, I like making …

Hand-held remote controller for Arduino etc

“This is my first Instructable so apologies for any lack of clarity, factual errors or typos! Even if you don’t build the remote controller the code at the end has examples of lots of stuff. The hand held controller …

Homebrewing and Arduino: the perfect recipe

“Home-brewing can be summarised in the hobby of make beer at home and for sure is a wide spread passion all over the world including Italy where I live. Home brews are basically small scale craft beer makers and generally …