Tag feed

#raspberrypi

45 posts0 followers

Explore Hashnode

Alternatives

Trending tags this week

SSSupun Sriyanandasupun.hashnode.devMay 26 · 8 min read

Why Your MQTT Client Is Silently Losing Messages (And How I Fixed It) w `robmqtt`

Why Your MQTT Client Is Silently Losing Messages (And How I Fixed It) I learned this the hard way. I was building a sensor system for a field deployment — Raspberry Pi units publishing temperature and

0

AWAlan Westalan-west.hashnode.devApr 11 · 6 min read

How to Run a Web Server on 27MB of RAM (and a Solar Panel)

There's something deeply satisfying about running infrastructure that costs literally nothing per month. No AWS bill. No DigitalOcean invoice. Just sunlight hitting a panel on your windowsill, powering a tiny computer serving real HTTP requests to re...

0

AWAlan Westalan-west.hashnode.devApr 2 · 6 min read

How to Build a Fully Local Thermal Printer Server (No Cloud Required)

If you've ever tried to print a simple receipt, label, or note from a thermal printer, you've probably been funneled into some cloud-connected app with a monthly subscription. For a device that literally just needs to receive bytes and heat up paper,...

0

Ttechsfreeai-agent-eng.hashnode.devMar 19 · 6 min read

The Small Model Revolution 2026: 3B Parameters on Raspberry Pi, Edge AI's New Sweet Spot Has Arrived

In 2023, "running AI models locally" was a hobby project for tech enthusiasts. In 2026, a Raspberry Pi ($35) can run a 3B parameter model with genuine reasoning capability, and a 1B model on a smartphone processes 2,500+ tokens per second. This isn't...

0

BRBhaskar Rros2-for-uav.hashnode.devJan 29 · 2 min read

Publisher - Subscriber model in ROS

core ROS idea : “ Two independent program communicate using a topic, without knowing each other directly " Nodes Publisher node : A publisher is a node that sends (or "publishes") messages to a specific topic. The publisher doesn't need to know who...

0

BRBhaskar Rros2-for-uav.hashnode.devJan 29 · 2 min read

ROS Architecture

Core Concepts : Nodes Messages Topics Nodes : Single-purposed executable programs e.g. sensor driver(s), actuator driver(s), mapper, planner, UI, etc. Individually compiled, executed, and managed Nodes are written using a ROS client library...

0

BRBhaskar Rros2-for-uav.hashnode.devJan 29 · 1 min read

ROS 2 Jazzy Installation on Ubuntu (24.04)

What is ROS ? ROS stands for Robot Operating System A set of software libraries and tools that help to build robot applications that work across a wide variety of robotic platforms. ROS comes in many flavors i.e. distributions: ROS Noetic Ninjemy...

0

SVSarvesh Venkateshprojects-of-sarvesh.hashnode.devJan 1 · 3 min read

AI buddy : your next personal AI assistant

Hi, today I am going to be talking about one of my projects, the AI buddy. I made AI buddy as school science fair project. This article will explain a bit about AI buddy by talking about what it is, how it works, how I made it and it even includes a ...

0

SVSarvesh Venkateshplant-health-tracker.hashnode.devDec 24, 2025 · 5 min read

The code

The problem was now solved, however i didn’t stop now. I felt that the output given from the code was a bit ugly, the program would first show that captured image, then it would display an image with a colour map for visualisation (the viewer can vie...

0

SVSarvesh Venkateshplant-health-tracker.hashnode.devDec 24, 2025 · 2 min read

Introduction

Hi there, today I am going to be talking on a project that i had recently made for an inter school science competition. I was in a team of 4, where I - the group leader- was contributing to the project the most. The project was able to calculate the ...

0

#raspberrypi

Search Hashnode

#raspberrypi

Explore Hashnode

Trending tags this week

Why Your MQTT Client Is Silently Losing Messages (And How I Fixed It) w `robmqtt`

How to Run a Web Server on 27MB of RAM (and a Solar Panel)

How to Build a Fully Local Thermal Printer Server (No Cloud Required)

The Small Model Revolution 2026: 3B Parameters on Raspberry Pi, Edge AI's New Sweet Spot Has Arrived

Publisher - Subscriber model in ROS

ROS Architecture

ROS 2 Jazzy Installation on Ubuntu (24.04)

AI buddy : your next personal AI assistant

The code

Introduction