LoRa → MQTT gateway firmware for the LILYGO TTGO LoRa32 v1 (ESP32 + SX1276 + OLED), built with PlatformIO (Arduino). It listens for LoRa packets, shows brief status on the OLED, and publishes received ...
S/PDIF has been around for a long time; it’s still a really great way to send streams of digital audio from device A to ...
Abstract: This paper presents the design and implementation of a low-cost IoT-based smart agricultural system utilizing the ESP32 microcontroller and LoRa technology. The system integrates multiple ...
Abstract: This paper presents the design and setup of a smart home water usage monitoring system using Internet of Things (IoT) and Long Range (LoRa) technology. The system collects real-time data ...
E (xxxx) i2c.master: I2C transaction unexpected NACK detected I²C scanners detect no devices at 0x3C or 0x3D, even though the OLED should use one of these. The OLED module has a 472 resistor (≈4.7kΩ), ...
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