Tags
A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
A component which measures G-force to detect which direction it is moved or tilted in.
188 questions
An extension board for Arduino which provides functionality for controlling DC/stepper motors and other inductive loads (such as relays and solenoids).
188 questions
Real-Time Clock. Keeps track of current date/time. Some have batteries like the DS3231, and the DS3231 also has programmable alarms that can interrupt an Arduino.
187 questions
Hypertext Transfer Protocol (HTTP) is an application level network protocol that is used for the transfer of content on the World Wide Web.
185 questions
Wireless refers to the technology allowing the transfer of information between two points that are not physically connected.
183 questions
Is a standard library function. It returns the number of milliseconds since the Arduino board began running the current program.
179 questions
Using an Arduino to play noise, sounds, or music. Also for questions about audio input.
171 questions
Sleep refers to a form of power management, where the processor can be instructed to enter various levels of "sleep". Use this tag for discussions about sleep mode.
168 questions
Radio Frequency. Typically used to refer to the radio portion of the electromagnetic spectrum which is used for wireless communication. Strictly speaking though, RF can refer to any oscillation (elect…
157 questions
Voltage is the difference in electric potential between two points of an electric circuit, measured in Volts (V). Voltage can be constant (DC) or varying (AC).
156 questions
To compile is to convert the code for a sketch into machine readable files that are uploaded to the Arduino. This tag is mostly used for the space and footprint of the files uploaded to the Arduino.
155 questions
For questions about integrating the Arduino microcontroller with the single-board computer Raspberry Pi. Questions just about Raspberry Pi are off-topic but can be asked on Raspberry Pi Stack Exchange…
151 questions
In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another
149 questions
XBee is a family of form factor compatible radio modules. Most are based on the 802.15.4-2003 standard.
147 questions
Teensy is a cheap and powerful development board with some Arduino compatibility.
140 questions
The Pro Micro is an Arduino-compatible microcontroller. It is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-board…
134 questions
Electronic component forming a three-terminal resistor with a sliding contact. Acts as a variable resistor / voltage divider, manipulating the amount of current flowing through it.
133 questions
Used to describe the act of (often wirelessly) controlling another system.
133 questions
An error that is generated during the compilation phase, often due to problems with invalid syntax and/or types. Not for errors during the uploading or execution phase.
133 questions
Integrated Development Environment - software that allows you to write and compile code. Use the arduino-ide tag for questions about the official Arduino software.
132 questions
The process of improving the efficiency of a program such that is uses less memory and/or less computational time.
131 questions
Digital refers to signals which are either on or off (high or low, one or zero). This contrasts with analog signals which have a range of values.
130 questions
to ask programming questions regarding reading input from it or blinking the lights, etc.
129 questions
127 questions
Flash memory is a type of memory available on the Arduino boards. It can be accessed from a program using PROGMEM directive to store data. For questions about using and accessing flash memory, use thi…
126 questions
126 questions
A custom structure in C++ (and various other languages) which can contain member data and functions. An instance of a class is called an object.
122 questions