Raindrop sensor module with analogue and digital output for connection with Arduino or Raspberry. The surface of the sensor is nickel-plated to provide additional protection against oxidation and better conductivity. Pin assignment 1 - Power supply 2 - Earth 3 - Digital TTL signal 4 - Analogue signal https://elecena.pl/product/18887280/me111-developer-boards-raindrop-moisture-sensor-module 2021-06-22 https://elecena.pl/product/18887280/me111-developer-boards-raindrop-moisture-sensor-module 2022-10-15 https://elecena.pl/product/18887280/me111-developer-boards-raindrop-moisture-sensor-module 2023-09-11 https://elecena.pl/product/18887280/me111-developer-boards-raindrop-moisture-sensor-module 2026-02-20