diff --git a/README.rst b/README.rst
index f2b4f70..a1bec7b 100644
--- a/README.rst
+++ b/README.rst
@@ -20,6 +20,8 @@ You need :
 - 1 level shifter (sorry, I lost the link...);
 - 2 resistors of 1kΩ;
 - 1 resistor of 100Ω (must be changed in function of strip and level shifter);
-- 1 capacitor of 1000µF.
+- 1 capacitor of 1000µF;
+- `1 barrel connector <https://www.reichelt.de/de/en/barrel-connector-panel-jack-central-installation-i-2-1-mm-hebl-21-p8524.html>`_;
+- `1 power supply 5V >2A <https://www.reichelt.de/de/en/plug-in-power-supply-unit-12-w-5-v-2-4-a-ea1012ahes501-p293278.html>`_.
 
 Install ESP8266 boards in your Arduino software and WS2812FX library.