diff --git a/README.md b/README.md
index d1ec5111301d1ab5ea6c19d9b5d351dc48e71fca..d22e500422064e7015a6ba48ab6bf18859e0215f 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,12 @@ pulses cease and CS is deasserted."
 
 [For diagram of the sequential reading of registers to get the six bytes needed for x,y, and z:](https://www.analog.com/media/en/technical-documentation/application-notes/AN-1077.pdf)
 
+### ADXL343 Software SPI
+
+Software SPI implemented to allow more direct routing of traces.  
+[Code is here](./code/Soft_SPI_axdl343_RGB.Jan25.py).  Eagle Project [files are in CAD directory.](./cad)
+
+
 ## 23K256 memory chip as an example of SPI
 
 The 23K256 is a 32KByte memory device with a limited set of commands and registers.  Good exercise for doing SPI at a low-ish level, using the MicroPython machine functions and referring to eh chip's datasheet.