diff --git a/README.md b/README.md
index e1e7e7e..fc631aa 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,4 @@ wait at least three minutes after switching on the soldering station before
 you start the calibration process.
 
 ![IMG_20190725_184724_x.jpg](https://image.easyeda.com/pullimage/iSYD3M8FjNd8ndt1cC7noTcUAdRtz9oFH6hKmoNl.jpeg)
+![IMG_20190731_182904_x.jpg](https://image.easyeda.com/pullimage/kgryPQpReu7YGh16ewXIt2tQha6rTmhtARw9nPZh.jpeg)