diff --git a/README.md b/README.md
index 380545a..ad21e50 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,10 @@ A collection of Arduino / ESP microcontroller projects.
 - **[WeatherPredictor](WeatherPredictor/)** — autonomous barometric weather
   station on a Wemos D1 mini (ESP8266): local Zambretti forecast, TFT display
   and a self-hosted web interface. See its [README](WeatherPredictor/README.md).
+
+- **[pump_controller_8_2_OLED_DONE](pump_controller_8_2_OLED_DONE/)** — pump
+  station monitor on a Wemos D1 mini (ESP8266): watches two main pumps plus a
+  backup one, drives two alarm relays, shows status on an OLED and in a web
+  panel, and posts events to an HTTPS webhook. Settings live in LittleFS.
+  See its [README](pump_controller_8_2_OLED_DONE/README.md) and
+  [MANUAL](pump_controller_8_2_OLED_DONE/MANUAL.md).