Circuit Splash

Complete E88 drone teardown revealing internal hardware, flight controller, motor assembly, battery system, and WiFi camera module. Deep dive into budget quadcopter electronics.

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.

Explore a curated list of drone projects with circuit diagrams, programming code, and tutorials. Build your own drones using ESP32, sensors, and wireless communication modules.

Step-by-step ESP32-CAM attendance system tutorial with OLED display, rotary encoder, and WhatsApp notifications using CircuitDigest Cloud. Includes wiring, full source code, and FAQs.

Build a real-time ESP32-CAM Helmet Detection using CircuitDigest Cloud AI, no model training needed. Get WhatsApp alerts with the circuit diagram and full code.

Build ESP32-C3 text to speech using AI API and the WitAITTS Arduino library. Full wiring, code, and troubleshooting guide for natural voice output.

A Smart charger which will automatically turn off power supply when Smartphone Battery is full. This raspberry pi based project is explained in detail with circuit diagrams and python code.

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.

Learn how to build an ESP32-CAM WhatsApp system that captures and sends images in seconds using CircuitDigest Cloud API. No GSM needed. Full code, circuit diagram & GitHub included.