| Bring voice to your ESP32! This project shows you how to use Google Text-to-Speech (TTS) and an I2S audio amp (MAX98357A) to enable real-tim...
More about Elektor Labs (796)
| Need a reliable way to track days, weeks, or even months with precision? This Long Interval Timer project uses an ATtiny85 and DS3231 RTC mo...
| Build your own rolling, self-balancing FPV robot with ESP32 and a live camera feed! The ESP-ROLL is a 3D-printed, phone-controlled robot tha...
| Build a charming, low-power A-class audio amplifier that glows and sounds warm — literally! This 550-mW amplifier uses a halogen lamp as the...
| The “Donut” WB loop antenna shipped with some SDR receivers may be fundamentally flawed — its printed coils cancel each other out! This quic...
| Struggling with weak Wi-Fi on your ESP32 module? A simple wire antenna mod can boost signal strength, double range, and improve stability fo...
| This test board lets you evaluate audio opamps and various resistor types under identical conditions. Now with support for Through-Hole and...
| ESP32's ADC suffers from poor response at low voltages, causing non-linearity. This project introduces a summing amplifier circuit to linear...
| Tired of the loud fan on your ET5410A+ DC load? This DIY mod quiets the unit at light loads and boosts cooling at high loads. By adding a di...
| Extend your UPS and solar battery life! PbMonitor shows real-time voltage, current, and temperature per battery — built with ESP32-C3 and MQ...