Io T
The Internet of Things (IoT) refers to a network of physical devices — sensors, appliances, machines, and other objects — embedded with connectivity and software that lets them collect and exchange data over the internet.
13 resources across 3 libraries
Glossary Terms(5)
Edge Device
An edge device is a piece of hardware that processes data locally at or near where it is generated, rather than sending all raw data to a centralized cloud dat…
IoT (Internet of Things)
The Internet of Things (IoT) refers to a network of physical devices — sensors, appliances, machines, and other objects — embedded with connectivity and softwa…
Firmware
Firmware is low-level software permanently or semi-permanently programmed into a device's hardware, providing the basic instructions that control the device an…
Raspberry Pi
Raspberry Pi is a series of low-cost, credit-card-sized single-board computers produced by the Raspberry Pi Foundation, widely used for education, hobbyist ele…
Arduino (CS)
Arduino is an open-source hardware and software platform built around simple microcontroller boards, widely used for learning electronics and building embedded…
Study Notes(1)
Interview Questions(7)
What Are Time-Series Databases and When Should You Use One?
A time-series database is a storage engine purpose-built for data points indexed by time, optimizing for high-volume append-only writes, time-range queries, an…
How Does the InfluxDB Data Model Work?
InfluxDB organizes data around measurements, which act like tables, and each data point within a measurement is defined by a timestamp, a set of indexed tags (…
What Is Downsampling in Time-Series Databases?
Downsampling is the process of reducing high-resolution time-series data into lower-resolution aggregates (like per-minute or per-hour averages) after it ages…
What Are Retention Policies in Time-Series Databases?
A retention policy is a rule that automatically deletes (or archives) time-series data once it passes a defined age, so storage does not grow without bound as…
What is Bluetooth and How Does It Work?
Bluetooth is a short-range wireless standard for exchanging data between nearby devices over the 2.4GHz ISM band, using low power and frequency-hopping spread…
What Is Edge Computing Architecture?
Edge computing architecture processes data physically close to where it is generated or consumed — on devices, local gateways, or nearby points of presence — i…
What Is Edge Computing and How Does It Affect DevOps Practices?
Edge computing runs processing close to where data is generated — on local servers, gateways, or devices at the network edge — instead of sending everything to…