diff --git a/README.md b/README.md
index b3acbff..b321474 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@ DigitalAudio485 prototype with STM32 Nucleo-F303RE board
 ## Board modification
 Initial state: STM32 Nucleo-F303RE board with factory settings
 
+[[doc/images/NUCLEO-F303RE.jpg]]
+
 ### HSE oscillator from X3 crystal
 P.25 OSC clock supply
 
@@ -25,3 +27,8 @@ P.26 USART communication
 * [ ] SB62 and SB63 must be ON
 * [ ] SB13 and SB14 must be OFF
 
+## Development tools
+
+[STM32 Cube IDE](https://www.st.com/en/development-tools/stm32cubeide.html)
+
+
diff --git a/doc/images/NUCLEO-F303RE.jpg b/doc/images/NUCLEO-F303RE.jpg
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