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Articles by HTTPClient http
PolyGlot : The One Fluent in Every Flavor
#include <WiFi.h> #include <HTTPClient.h> #include <WiFiClientSecure.h> #include <ArduinoJson.h> #include "driver/i2s.h" // Wi-Fi Credentials const char* ssid = "P_Labz"; const char* password = "@pasu4433"; // Deepgram Settings (Using Whisper model hosted on Deepgram for Malayalam support) const char* deepgramApiKey = "f622d8d7c6454624a6e802fdd2119775d77de838"; // Replace with your Deepgram Key const char* deepgramUrl =...
i.40 performance kpi
//#include <ESP_I2S.h> //#include <wav_header.h> /* ******************************************************************************* * Copyright (c) 2022 by M5Stack * Equipped with M5Core sample source code * 配套 M5Core 示例源代码 * Visit for more information: https://docs.m5stack.com/en/core/gray * 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/gray * * Describe: BasicHTTPClient.
Digital daily calendar with quotes
Things used in this project × 1 Overview In Japan, there is a traditional daily calendar called a "Himekuri Calendar, " which you peel off a page every day to reveal the new date. Many of these calendars feature inspiring quotes or proverbs, which inspired me to recreate this concept using an e-paper display. Features Automatic Orientation Detection: The device automatically detects whether it is placed vertically or horizontally and adjusts the display accordingly.
AI Button
Things used in this project Adafruit I2S 3W Class D Amplifier Breakout × 2 INMP441 Omnidirectional I2S Microphone Module × 2 × 1 WWZMDiB Micro SD TF Card Adapter Reader Module × 1 × 1 × 1 × 1 Purpose Personally, I sometimes think a lot while I'm trying to go to sleep, but it's annoying to get up, grab my phone, and expose myself to blue light to get my questions answered. Wouldn't it be very conveneint if I could just press a button, talk into it, and it would tell me the answer?
Network Sweeper
Things used in this project × 1 Female/Female Jumper Wires × 4 × 1 💡 Inspiração (Por que decidi criar isso?) Com a popularização de dispositivos de Casa Inteligente (IoT), nossas redes domésticas e corporativas tornaram-se campos minados de vulnerabilidades silenciosas. Smart TVs, câmeras IP antigas e roteadores frequentemente rodam serviços legados sem criptografia, como Telnet (Porta 23) ou FTP (Porta 21).
Build an Air Quality Panel with Home Assistant and ePaper
Things used in this project Seeed Studio 4.26" Monochrome ePaper Display × 1 Seeed Studio EE05 XIAO ePaper Display board × 1 Seeed Studio Seeed_GFX library Introduction At home, I have Home Assistant installed, which I use to monitor several sensors — such as door opening, motion, temperature, and humidity sensors — and also to control many lights throughout the house.
Build an Air Quality Monitor with Home Assistant and ePaper
Things used in this project Seeed Studio 4.26" Monochrome ePaper Display × 1 Seeed Studio EE05 XIAO ePaper Display board × 1 Seeed Studio Seeed_GFX library Introduction At home, I have Home Assistant installed, which I use to monitor several sensors — such as door opening, motion, temperature, and humidity sensors — and also to control many lights throughout the house.
The ISS Tracker is Back – with a New API
Things used in this project × 1 × 1 When to Look Up: An ISS Tracker with the Arduino Nano ESP32 The International Space Station passes over your head several times a day — but most of those passes you'll never see. Either the station is in Earth's shadow, or it's daytime where you are, or the pass barely skims the horizon. The interesting question isn't when does it pass over me, it's when can I actually walk outside and watch it?
HELIOS Space Weather Intel
Things used in this project × 1 HELIOS is a real-time space weather decision console powered by live data from the NOAA Space Weather Prediction Center.
The Next Holiday
Things used in this project × 1 Seeed Studio Monochrome ePaper Display 5,83" × 1 Are you tired from work or from studying? Are you waiting for the next public holiday to rest or practice your favorite sport? There’s no need to keep checking the calendar all the time—this smart e-paper panel, programmed with Arduino, tells you how many days are left until the next public holiday.
ESP32 Smart Doorcam
Things used in this project Espressif ESP32 Camera Development Board × 1 × 1 ESP32 DoorCam Introduction What started as a simple idea — “Let’s make a door camera using ESP32-CAM” — quickly turned into a deep engineering journey across embedded systems, networking, and edge intelligence. The goal was clear: A smart door camera Fully offline (no cloud) Capable of motion detection, OTA updates, and real-time alerts But the path to get there was anything but straightforward.
Lovlet - Desktop Pixel Image Displayer For Your Partner
Things used in this project × 1 × 1 × 1 × 1 × 1 I wanted to send daily cute images to my partner and created this Esp32 - Oled Display device to motivate them and make their day better ✨ How It Works; Draw Your Image: You create the image you want to send using the web tool at arduinogfxtool.netlify.app. This converts your drawing into C code. Upload the Code: You upload the generated C code to a private GitHub page that’s only accessible via a secret link.
A little compact crypto tracker with esp32 and oled display
Things used in this project × 1 10 Pc. Jumper Wire Kit, 5 cm Long Soo I was thinking of making a small crypro price tracker thats relatively easy to make and has cheap parts. To make it work, you need to put your wifi and password inside the code at the start. You also need some Esp32 libraries: ArduinoJson — by Benoit Blanchon ESP8266 and ESP32 OLED Driver for SSD1306 displays — by ThingPulse The Esp32 connects to the network, updates the display every minute.
VAYU — Exhaust Scrubber That Converts Smoke to Clean Air
Things used in this project × 1 SDS011 Nova PM Sensor (×2) × 1 MQ-7 Carbon Monoxide Sensor × 1 TEC1-12706 Thermoelectric Generator Module × 1 Negative Ion Generator Module 12V DC × 1 3V Peristaltic Mini Water Pump × 1 × 1 18650 Li-ion Battery (×3) × 1 TP4056 Battery Charger Module × 1 × 1 Stainless Steel Pipe 60mm Diameter × 1 Aluminum Collector Plates 80×60mm (×6) × 1 IP65 Waterproof ABS Enclosure Box × 1 High Voltage 5kV Ionizer Module × 1 ThingSpeak IoT Analytics Platform Here's the...
AtmosGuard C5: Dual-Band IAQ & Cloud Logger
Things used in this project Seeed Studio xiao esp32c5 × 1 × 1 Seeed Studio Grove - Formaldehyde Sensor (SFA30) - HCHO Sensor × 1 × 1 1. Introduction Indoor air quality (IAQ) is often overlooked, yet it directly impacts cognitive function and long-term health. High CO2 levels lead to drowsiness and poor concentration, while Formaldehyde (HCHO)—often emitted from furniture and building materials—is a known irritant.
Smart Attendance System Using 4G LTE Module | HTTP Request
Things used in this project 📖 Project Story — B y Yarana IoT Guru In today’s world, attendance systems are everywhere — from schools to offices, and from factories to training centers. But one problem keeps coming back: most systems depend on Wi-Fi or LAN. Now imagine a situation where there’s no Wi-Fi connection — a construction site, a rural school, a mobile event van, or a remote research field. How will you record attendance there and send it instantly to a cloud server?
A Smart Irrigation System
Things used in this project × 1 × 1 × 1 × 1 Intro My wife loves plants and food, and gardens tend to be her happy place. The thing is, it's also the happy place for all sorts of animals (especially deer) who want to gobble it first. So, over the course of an extremely crazy year and a half, I eventually managed to find the time to build an epic garden. But, I can't just have a project go without some sort of techy addition, so I built an automated irrigation system to go along with it.
Mini seismograph
Things used in this project × 1 × 1 × 1 This project is a simple “mini seismograph” built with an ESP32, an MPU6050 accelerometer/gyroscope, and a microphone module. The device is attached to a window at home and monitors vibrations and loud “boom” events caused by shockwaves or nearby blasts. Whenever a significant event is detected, the ESP32 uploads the sensor data to a personal website for logging and visualization.
WeatherPaper
Things used in this project Espressif ESP32-C3 Supermini Development Board × 1 WeAct 2.9" Black-White E-Paper Display Module × 1 TP4056 Charging Module with booster × 1 102025 3.7v Li-Po Battery × 1 × 1 × 1 No buttons. No backlights. No noise. Just the weather—sleek and quietly placed on your desk. I live in Malaysia, where the weather can flip from blinding sun to torrential rain in five minutes. I’ve been soaked, stressed, and late way too many times—just because I didn’t check the weather app.
AI-Powered ANPR using DFRobot's ESP32-S3 AI Cam & Gemini API
Things used in this project × 1 What is ANPR System 🔢🔍 An Automatic Number Plate Recognition (ANPR) system is a technology that uses specialized cameras and software to automatically detect, read, and record vehicle license plates from images or video streams. Image Courtesy Pixabay.com It works by capturing an image of the plate, processing it to isolate the plate area, and then applying optical character recognition (OCR) to convert the image of the plate characters into digital text data.
Esp32-based Openweather Api Weather Station
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Spotify Display: AZ Touch control - Part 2
Things used in this project Dev Kit C V2 or Dev Kit C V4 USB-C × 1 AZ-Touch (2.8” recommended) × 1 After the last part dealt with the basics of data retrieval via the Spotify API, this part deals with a user-friendly presentation on a display. The AZ-Touch is suitable as a display, as it offers a touch function, the microcontroller board only needs to be plugged in and can be operated in the supplied housing in a visually appealing way. The touch function is used to implement control via the API.
Spotify Display: Reading data via ESP 32 - Part 1
Things used in this project Dev Kit C V2 Or Dev Kit C V4 USB-C × 1 Music accompanies us through our everyday lives and the ability to read out current playback information such as title, artist and album directly opens up possibilities for displaying this data on a display and thus creating a creative decoration for the desk.
ISS Antenna - Indicates When the ISS Is Overhead
Things used in this project × 1 RGB Diffused Common Cathode × 1 Through Hole Resistor, 470 ohm × 3 × 3 This is the third iteration of ISS tracking projects I've been making. The issue is that the online services I've been using earlier to track the ISS no longer exist. But as a space lover, I really loved having something that reminded me of the presence of the ISS up there. Also, the ISS is nearing retirement, set to be decommissioned by 2030.
FreeRTOS on Xiao ESP32S3
Things used in this project Introduction to FreeRTOS FreeRTOS is a real-time operating system (RTOS) designed specifically for microcontrollers and small microprocessors. It provides a reliable foundation for developing applications that require precise timing and task management on resource-constrained devices. All the Example Codes in this Guide can be found on this repo: FreeRTOS on Xiao ESP32S3 What is FreeRTOS?
Custom function calling with Gemini, Voice, and an ESP32
Things used in this project × 1 Adafruit Microphone MAX9814 × 1 × 1 × 1 × 1 × 1 × 1 What're we building? In a previous tutorial, I went over how you can connect an ESP32 to the Google Gemini API via REST to send an audio file and have it transcribed. In this tutorial I will expand on that to actuallydosomething with that recorded audio instead of transcribing it - in this case turning on and off an LED ring, plus changing the LEDs colors based on spoken commands.
Speech to Text on the ESP32 with Gemini
Things used in this project × 1 Adafruit Microphone MAX9814 × 1 × 1 × 1 × 1 × 1 What're we building? In a previous tutorial, I went over how you can connect an ESP8266 to the Gemini API. While that's fine and all as a start, the Gemini API can do so much more than be a simple text-based chat system. In this tutorial I want to go over how I connect an IoT device to Gemini to transcribe short speech audio clips, which will be the basis for custom spoken commands on an IoT device in a later project.
DeepSeek-R1 on Beetle ESP32 C6
Things used in this project × 1 × 1 In this blog, we'll explore how to build a chatbot using the Beetle ESP32, an affordable and compact microcontroller. This project will guide you through setting up Wi-Fi connectivity, creating a web server, and interfacing with Deepseek API to process user queries.
Connecting an ESP8266 to Gemini
Things used in this project Over the last year, AI systems, like Google's Gemini, have changed the landscape of app development, and are continuing to do so with each new feature release. In this post I want to kick off a series that goes over how you can interact with the Gemini API from a simple IoT device - in this case an ESP-12E because it's what I had laying around and it's pretty cheap, but the concepts will carry over to any kind of device - to add intelligence to your projects.
Reading Aid for the Visually Impaired Using XIAO ESP32S3
Things used in this project × 1 Adafruit MAX98357A Amplifier × 1 × 1 Google Text-to-Speech (TTS) Introduction Globally, approximately 2.2 billion people suffer from visual impairments, with 90% residing in low-income countries. For these individuals, affordable and accessible solutions are crucial. In this project, I demonstrate how computer vision can significantly improve accessibility by enabling visually impaired individuals to read independently.
Bluetooth-Enabled Home Security System
Things used in this project × 1 × 1 In this project we’ll developed a Bluetooth-enabled security system using StackyFi. The system will detect motion and send alerts to your smartphone. What's StackyFi? Meet StackyFi—a revolutionary microcontroller board designed to empower your projects with ease and flexibility.
SemanticKernel/C#：实现接口，接入本地嵌入模型 - mingupupup - 博客园
本文通过Codeblaze.SemanticKernel这个项目，学习如何实现ITextEmbeddingGenerationService接口，接入本地嵌入模型。 项目地址：https://github.com/BLaZeKiLL/Codeblaze.SemanticKernel SemanticKernel初看以为只支持OpenAI的各种模型，但其实也提供了强大的抽象能力，可以通过自己实现接口，来实现接入不兼容OpenAI格式的模型。...
【雕爷学编程】Arduino物联网IOT之环境监测与数据上传_arduino thingscloud怎么上传数据-CSDN博客
Arduino是一个开放源码的电子原型平台，它可以让你用简单的硬件和软件来创建各种互动的项目。Arduino的核心是一个微控制器板，它可以通过一系列的引脚来连接各种传感器、执行器、显示器等外部设备。Arduino的编程是基于C/C++语言的，你可以使用Arduino IDE（集成开发环境）来编写、编译和上传代码到Arduino板上。Arduino还有一个丰富的库和社区，你可以利用它们来扩展Arduino的功能和学习Arduino的知识。 Arduino的特点是： 1、开放源码：Arduino的硬件和软件都是开放源码的，你可以自由地修改、复制和分享它们。 2、易用：Arduino的硬件和软件都是为初学者和非专业人士设计的，你可以轻松地上手和使用它们。 3、便宜：Arduino的硬件和软件都是非常经济的，你可以用很低的成本来实现你的想法。 4、多样：Arduino有多种型号和版本，你可以根据你的需要和喜好来选择合适的Arduino板。 5、创新：Arduino可以让你用电子的方式来表达你的创意和想象，你可以用Arduino来制作各种有趣和有用的项目，如机器人、智能家居、艺术装置等。...
【ESP32S3 接入MiniMax文本语音大模型对话&语音克隆教程】
讲解视频： ESP32S3 接入MiniMax文本语音大模型对话&语音克隆教程 1.
ドアホンが鳴ったらGoogleHome,Slack,Discordに通知する (ESP32) - Qiita
ドアホンが鳴ったらGoogleHome,Slack,Discordに通知する リモートワークなどで玄関から遠い部屋で作業をしていると、ドアホンのチャイムがちょっと聞こえにくいことがありませんか？ これを解決するために、Google HomeやSlack,Discordなどへ通知する方法です。 特徴 グループ登録すれば複数のGoogle Homeに対してブロードキャストすることができます。家の各所にGoogle Homeを設置すれば死角なしです。 Discord,Slackへの通知すれば、ヘッドホンをしながらPCを使っていても安心。 外出先からもチャイムの確認ができます。 チャイムが何日何時何分に鳴ったか、長期間のログになります。 使用可能なドアホン...
Gesture Controlled Smart WiFi Clock
Things used in this project Seeed Studio XIAO ESP32S3 × 1 Seeed Studio Grove Smart IR Gesture Sensor × 1 Liquid Crystal Display 16x2 I2C × 1 DHT11 Temperature & Humidity Sensor (4 pins) × 1 × 1 × 1 × 1 × 1 This project shows how to build a Gesture Controlled Smart WiFi Clock using Seeed Studio’s XIAO ESP32S3 and Grove Smart IR Gesture Sensor. Gesture Control: The clock is controlled by simple hand movements.
Blazor Basics: Creating a Todo App using Blazor WebAssembly
Today we'll build a simple todo list as a Blazor WebAssembly application. Learning by doing is always more exciting than reading about theory. In this article, we will implement a basic todo list as a Blazor WebAssembly application. Note: There is a similar article about creating a todo app implemented using Blazor Server.
ESP32cam系列教程003：ESP32cam实现远程 HTTP_OTA 自动升级
本教程是 ESP32cam 的系列教程之三，使用 Arduino IDE 对 ESP32cam 开发板进行开发。 本教程代码同样使用与其他 ESP32 开发板。 OTA 即空中下载技术（Over-the-Air Technology），其可以安全方便地升级设备的固件或软件。远程升级还可以大大降低成本，节省资源，它已成为物联网设备和产品制造商的关键技术之一。 ESP32 开发板支持 3 种 OTA 方式： Arduino IDE ：主要用于软件开发阶段，实现不接线固件烧录 Web_OTA：通过 Web 浏览器手动提供应用程序更新模块 HTTP_OTA：固件存放到 http 服务器端，设备自动判断是否需要联网下载固件升级 本文主要介绍：HTTP_OTA 的原理与实现。 2.1 HTTP OTA 升级原理 本地程序在开机连接 WIFI 后发送 http 请求获取远程服务器中的升级 json 文件。 通过对比 json 中的远程版本信息与本地的版本信息判断是否一致。 若远程版本信息与本地版本不一致，则本地需要更新程序。 通过 json 中的版本信息在远程服务器中拉取需要更新的程序的...
ASP.NET Core Blazor routing and navigation
Read in English Read in English Feedback Edit Twitter LinkedIn Facebook Email Article 09/30/2022 62 minutes to read In this article This article explains how to manage request routing and how to use the NavLink component to create navigation links in Blazor apps. Important Code examples throughout this article show methods called on Navigation, which is an injected NavigationManager in classes and components. Route templates The Router component enables routing to Razor components in a Blazor app.
IoT Around the House: Sensors, MongoDB, and REST API on the Onesait Platform (Part 2)
You can find part 1 here. As we said, in the summertime, you may get a little bored and feel in the mood to build a control panel that displays the temperature of the rooms obtained by means of IoT sensors. Surely it's the usual for all of us.
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