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 »STM32 Precision Digital Micro Current Meter - Complete Build
https://circuitdigest.com –
Category: Microcontrollers Tags:
- Login to post comments
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 »- Login to post comments
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 »- Login to post comments
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 »Category: Microcontrollers Tags:
- Login to post comments
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 »Category: Microcontrollers Tags:
- Login to post comments
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 »Category: Microcontrollers Tags:
- Login to post comments
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 »Category: Microcontrollers Tags:
- Login to post comments
Wireless ESP32-Based Stepper Motor Driver with TMC2240
https://circuitdigest.com –
Learn how to build a wireless stepper motor controller using an ESP32-S3 and TMC2240 driver. This detailed tutorial guides you through wiring, custom PCB design, USB-C PD power management, closed-loop control with an AS5600 encoder, and a browser-based UI with real-time status and RGB feedback. Includes Gerbers, BOM, and full source code.
Read more »Category: Microcontrollers Tags:
- Login to post comments
Interfacing ESP32 with Thermal Printer using UART ESC/POS
https://circuitdigest.com –
Technical guide to interfacing ESP32 with thermal printers (PNP-500/RS203) over UART. Explains hardware wiring, power considerations, and implementation of ESC/POS commands for printing text, images, barcodes, and QR codes. Includes detailed circuit diagrams and Arduino code on GitHub.
Read more »Category: Microcontrollers Tags:
- Login to post comments
