Microcontrollers

warning: Creating default object from empty value in /home/circuit1/public_html/modules/taxonomy/taxonomy.pages.inc on line 33.
Projects, tutorials, DIY, news, updates and everything related to different types of microcontrollers.

Smart Energy Meter Using IoT with MQTT Dashboard & Alerts

https://circuitdigest.com

Build an IoT-based smart energy meter using ESP32 & PZEM-004T. Real-time monitoring via the MQTT dashboard, SMS alerts for abnormal conditions. Complete circuit & code included.

Read more »
Created by Jayant 35 weeks 6 days ago – Made popular 35 weeks 6 days ago
Category: Microcontrollers   Tags:

Build Your Own ESP32 AI Voice Assistant with MCP Integration

https://circuitdigest.com

Build an intelligent ESP32 AI voice assistant using Xiaozhi framework. Includes PCB design, hardware assembly, 3D enclosure, and MCP integration for smart home control.

Read more »
Created by Jayant 37 weeks 6 days ago – Made popular 37 weeks 6 days ago
Category: Microcontrollers   Tags:

Build GPS Tracker with XIAO ESP32-S3: Geofence & SMS Alerts

https://circuitdigest.com

Create a Wi-Fi GPS tracker using Seeed Studio XIAO ESP32-S3 & Neo-6M module. Features geofencing, SMS alerts, offline storage. No SIM card needed. Free GeoLinker tracking!

Read more »
Created by Jayant 38 weeks 2 days ago – Made popular 38 weeks 2 days ago
Category: Microcontrollers   Tags:

STM32 Precision Digital Micro Current Meter - Complete Build

https://circuitdigest.com

Complete guide to building a precision digital micro ampere meter using STM32. Measures nA to mA with OLED display. Includes circuit, PCB files, firmware & 3D enclosure. DIY ampere meter DC digital.

Read more »
Created by Jayant 39 weeks 6 days ago – Made popular 39 weeks 6 days ago
Category: Microcontrollers   Tags:

Build an ESP32 Text to Speech Offline System

https://circuitdigest.com

Build an ESP32 text to speech offline converter with Talkie TTS library. Step-by-step tutorial includes circuit connections, code examples, and troubleshooting.

Read more »
Created by Jayant 40 weeks 3 days ago – Made popular 40 weeks 3 days ago
Category: Microcontrollers   Tags:

Build a Smart Traffic Management System Using IoT

https://circuitdigest.com

Learn how to create an ESP32-powered Smart traffic management system using IoT that uses IR sensors for real-time vehicle detection, enables adaptive signal control, and provides a live web dashboard for monitoring traffic flow.

Read more »
Created by Jayant 40 weeks 3 days ago – Made popular 40 weeks 3 days ago
Category: Microcontrollers   Tags:

ESP32 Offline Voice Recognition Using Edge Impulse

https://circuitdigest.com

Build an ESP32 speech recognition offline system with Edge Impulse. Create your own ESP32 voice assistant using an INMP441 microphone for hands-free control.

Read more »
Created by Jayant 41 weeks 4 days ago – Made popular 41 weeks 4 days ago
Category: Microcontrollers   Tags:

DIY Meshtastic Using ESP32 : Build Your Own Private Off-Grid Network

https://circuitdigest.com

Build a diy Meshtastic node using Meshtastic ESP32 and LoRa devices for secure, long-range, encrypted mesh messaging, perfect for off-grid communication.

Read more »
Created by Jayant 45 weeks 2 days ago – Made popular 45 weeks 2 days ago
Category: Microcontrollers   Tags:

Build a Smart ESP32 GPS Tracker with SIM800L and NEO6M Module

https://circuitdigest.com

Build a real-time ESP32 GPS Tracker with SIM800L & NEO-6M Module. Track vehicles, assets via GSM with this complete DIY IoT project featuring code, circuit diagram & testing guide.

Read more »
Created by Jayant 46 weeks 1 day ago – Made popular 46 weeks 1 day ago
Category: Microcontrollers   Tags:

DIY UWB Indoor Positioning System using ESP32 and Qorvo DWM3000

https://circuitdigest.com

Build a DIY USW indoor positioning system using ESP32 with the Qorvo DWM3000. This tutorial walks you through hardware, firmware, and Python visualisation to create accurate tracking for robotics and IoT projects.

Read more »
Created by Jayant 46 weeks 1 day ago – Made popular 46 weeks 1 day ago
Category: Microcontrollers   Tags:

Navigation

User login