| Take your SMARS Robot to the next level! Learn how to add OLED, RGB LEDs, a buzzer, and Bluetooth connectivity with step-by-step guidance.
More about Elektor Labs (765)
| Troubleshooting coffee machines with hidden magnets? Powered by AAA batteries and a Hall sensor, this simple magnet finder lights the way. L...
| Control devices remotely with this SMS-based 4G project! It features four relays, RSSI monitoring, and a DS18B20 temperature sensor for adde...
| Streamline your energy usage with the Smart Meter ESP32 V2. You can monitor electricity, gas consumption, and more with wireless communicati...
| Nanosecond current pulses arise from avalanche breakdown in virtually any diode. Here some experiments exploring these in Zener diodes, LEDs...
| You can build a highly accurate 1-ms NTP clock with an ESP32 and a Wiznet W5500 Ethernet module. The design is perfect for precision timekee...
| Want to build a compact Bluetooth speaker with ESP32 and MAX98357A amplifier? With this project, you can stream high-quality audio using A2D...
| Enhance your DCF77 time server with continuous signal generation and dual optocoupler outputs. This project is ideal for driving multiple de...
| This continuity tester uses just 100 mV across the probes, avoiding interference from semiconductors and large capacitance. It is simple to...
| Learn how to read two potentiometers on a single digital input using a Schmitt-Trigger inverter and just six components. This compact, affor...