<![CDATA[Indonesia is a country with a high frequency of lightning strikes, making it necessary to have a monitoring system capable of effectively recording lightning activity. This study designs a lightning strike counting monitoring system based on the ESP32 microcontroller with LoRa connectivity support. The detection system uses a passive-component-based analog circuit that captures the electromagnetic signals from lightning strikes; these signals are then converted into digital signals by the ESP32 and transmitted via the LoRa E220-900T22D module to the receiver unit. The prototype consists of two parts: a transmitter and a receiver. The transmitter is equipped with a lightning detector circuit, an 18650 battery, a TP4056 module, and a solar panel for self-powered operation. The receiver uses an ESP32, a LoRa module, and an I2C LCD to display the number of strikes in real time. Test results show that the system can detect signal changes from the detector circuit and count the number of detected lightning strikes. The LoRa module is capable of transmitting data reliably without a Wi-Fi network over a certain distance. This system can serve as an economical, self-contained, IoT-based lightning strike monitoring solution suitable for remote areas. Further development can be pursued through the integration of cloud data storage and specialized lightning strike sensors to improve accuracy.]]>
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