Translating “Dah” and “Dit” Speech Into Morse Code with an CWVox using Arduino

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https://www.electronics-lab.com/translating-dah-and-dit-speech-into-morse-code-with-an-cwvox-using-arduino/

image: CWvox Prototype connected to the radio (Source: Kevin Loughin) These days, it seems like every speech-detection-related project is based on some kind of advanced algorithm, such as machine learning, pattern matching, or spectrum analysis. But Kevin Loughin (AKA KB9RLW), an amateur radio operator, built CWvox, a voice-activated keyer that uses the analog-to-digital converter (ADC) […]

Texas Instruments TCA9416 Ultra-Low Voltage I2C Translator

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https://www.electronics-lab.com/texas-instruments-tca9416-ultra-low-voltage-i2c-translator/

Texas Instruments TCA9416 Ultra-Low Voltage I2C Translator is a 2-bit bidirectional I2C, SMBus voltage-level translator with an output-enable (OE) input and rising and falling edge accelerators. It is operational from 1.08V to 3.6V on both the A-side and B-side. This feature allows the device to interface between lower and higher logic signal levels at any […]