The Question : 49 people think this question is useful I’m just trying out Arduino Uno for the first time with 2 blinking LEDs on a breadboard. All the tutorials on the Internet seem to use a resistor. I do know the function of resistors, but does it really matter here? These LEDs are working
The Question : 50 people think this question is useful I want to connect the output from the audio jack of an iPhone to an Arduino. What voltage range can I expect to see on the audio lines from the iPhone? I assume that turning the volume up on the phone will produce a large
The Question : 50 people think this question is useful I’m not that big of a fan of the official Arduino IDE (in terms of visuals), so I’ve started looking for nicer alternatives. However, most of the projects I’ve found are in alpha/beta and are generally incomplete. I’m 100% new to circuit board programming and
The Question : 52 people think this question is useful Scenario I have created a nice electronic door lock for my dorm room. It is currently an Arduino Diecimila with a servo [un]locking the door. It has a numerical keypad with 3×4 buttons and 5 LED’s (2 serie pairs and one single LED). It also
The Question : 57 people think this question is useful My first arduino project, I have made a headlight sensor that will activate an outside light when car headlights hit it. I know I could go buy one, but where is the fun in that? Now I would like to make a “real” one to
The Question : 16 people think this question is useful I’m in the process of building an IoT device using ESP8266. The device will eventually contain a couple of motors, and I would like to control these motors using MQTT. I would like to make the device as cheap as possible, so I would like
The Question : -3 people think this question is useful Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 2 hours ago. Improve this question Basically I’m doing a project that automatically waters plants