diff --git a/README.md b/README.md
index 8fb7908a760b5288f238050fc71b9b103fb642b6..a52909058d2e1e9b09fda0b85c7db3a5e5eb734c 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,7 @@
 |0.001|prior|Sun SPARCStation 1|C|prior|
 |0.001|prior|DEC VAX 8650|C|prior|
 |0.0007|prior|Intel 486|C|prior|
+|0.0002|[pi.ino](Arduino/pi.ino)|Arduino, floats|ATSAMD21E|December, 2020|
 |0.0001|[pi.ino](Arduino/pi.ino)|Arduino, floats|ATtiny1614|December, 2020|
 |0.00003|prior|Sun 3/60|C|prior|
 |0.00003|prior|Intel 286|C|prior|