Build a diy Meshtastic node using Meshtastic ESP32 and LoRa devices for secure, long-range, encrypted mesh messaging, perfect for off-grid communication.
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Category: Microcontrollers Tags:
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DIY UWB Indoor Positioning System using ESP32 and Qorvo DWM3000
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.
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Wireless ESP32-Based Stepper Motor Driver with TMC2240
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.
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Interfacing ESP32 with Thermal Printer using UART ESC/POS
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.
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DIY Smart Watch using ESP32
In this project, we are going to build a feature-rich, customizable smartwatch from scratch. We are going to make this using the best affordable and easily available components. Since designing such a product is a lengthy time-consuming procedure, we are going to do this in parts.
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ESP32 SIM800L GSM Module Tutorial
SIM800L is a very compact GSM/GPRS module that can be integrated into a lot of IoT projects due to its compact size and flexibility.
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