diff --git a/libraries/DistanceTable/.arduino-ci.yml b/libraries/DistanceTable/.arduino-ci.yml
index e7cb4633..10c0e10b 100644
--- a/libraries/DistanceTable/.arduino-ci.yml
+++ b/libraries/DistanceTable/.arduino-ci.yml
@@ -1,3 +1,18 @@
+platforms:
+  rpipico:
+    board: rp2040:rp2040:rpipico
+    package: rp2040:rp2040
+    gcc:
+      features:
+      defines:
+        - ARDUINO_ARCH_RP2040
+      warnings:
+      flags:
+
+packages:
+  rp2040:rp2040:
+    url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+
 compile:
   # Choosing to run compilation tests on 2 different Arduino platforms
   platforms:
@@ -8,4 +23,6 @@ compile:
     - m4
     - esp32
     # - esp8266
-    # - mega2560
\ No newline at end of file
+    # - mega2560
+    - rpipico
+
diff --git a/libraries/DistanceTable/CHANGELOG.md b/libraries/DistanceTable/CHANGELOG.md
new file mode 100644
index 00000000..51112fb5
--- /dev/null
+++ b/libraries/DistanceTable/CHANGELOG.md
@@ -0,0 +1,72 @@
+# Change Log DistanceTable
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+
+## [0.3.2] - 2022-11.02
+- add changelog.md
+- add rp2040 to build-CI
+- update readme.md
+
+## [0.3.1] - 2022-07-22
+- fix set() get() test order
+- set() returns bool on success.
+- adds sum() and average()
+- add Pascal Triangle example.
+
+## [0.3.0] - 2022-01-06
+- add invert flag, add unit tests
+- add countAbove(), countBelow()
+- fix allocation + # elements
+
+----
+
+## [0.2.2] - 2021-12-17
+- update license
+- update readme.md
+- minor edits
+
+## [0.2.1] - 2021-10-26
+- update build-CI
+- update readme.md
+- default value in constructor
+
+## [0.2.0] - 2021-01-19
+- refactor
+- properly named functions,
+- add setAll()
+- add minimum(), maximum()
+- add count()
+
+----
+
+## [0.1.6] - 2020-12-20
+- Arduino-CI + unit test
+
+## [0.1.5] - 2020-06-07
+- fix library.json
+- minor edits
+
+## [0.1.4] - 2019-01-10
+- add size()
+
+## [0.1.3] - 2017-07-27
+- Fix issue #33
+
+## [0.1.2]
+- fix overflow
+- add some error detection
+- revert float to float to memory
+
+## [0.1.01]
+- refactor
+
+## [0.1.00]
+- initial version
+
+
+
+
diff --git a/libraries/DistanceTable/DistanceTable.cpp b/libraries/DistanceTable/DistanceTable.cpp
index 674a350d..94984d8f 100644
--- a/libraries/DistanceTable/DistanceTable.cpp
+++ b/libraries/DistanceTable/DistanceTable.cpp
@@ -1,32 +1,11 @@
 //
 //    FILE: DistanceTable.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.3.1
+// VERSION: 0.3.2
 // PURPOSE: Arduino library to store a symmetrical distance table in less memory
 //     URL: https://github.com/RobTillaart/DistanceTable
-
-//  HISTORY
-//  0.1.00  initial version
-//  0.1.01  refactor
-//  0.1.2   fix overflow;  add some error detection; revert float to float to memory
-//  0.1.3   2017-07-27  Fix issue #33
-//  0.1.4   2019-01-10  add size()
-//  0.1.5   2020-06-07  fix library.json, minor edits
-//  0.1.6   2020-12-20  Arduino-CI + unit test
-//  0.2.0   2021-01-19  refactor
-//                      properly named functions,
-//                      add setAll(), minimum(), maximum() and count()
-//  0.2.1   2021-10-26  update build-CI, update readme.md
-//                      default value in constructor
-//  0.2.2   2021-12-17  update license, readme, minor edits
-//  0.3.0   2022-01-06  add invert flag, add unit tests
-//                      add countAbove(), countBelow()
-//                      fix allocation + # elements
-//  0.3.1   2022-07-22  fix set() get() test order
-//                      set() returns bool on success.
-//                      adds sum() and average()
-//                      add Pascal Triangle example.
-
+//
+//  HISTORY: see changelog.md
 
 
 #include "DistanceTable.h"
diff --git a/libraries/DistanceTable/DistanceTable.h b/libraries/DistanceTable/DistanceTable.h
index 54ee92c0..223c0864 100644
--- a/libraries/DistanceTable/DistanceTable.h
+++ b/libraries/DistanceTable/DistanceTable.h
@@ -2,7 +2,7 @@
 //
 //    FILE: DistanceTable.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.3.1
+// VERSION: 0.3.2
 // PURPOSE: Arduino library to store a symmetrical distance table in less memory
 //     URL: https://github.com/RobTillaart/DistanceTable
 //
@@ -11,7 +11,7 @@
 #include "Arduino.h"
 
 
-#define DISTANCETABLE_LIB_VERSION     (F("0.3.1"))
+#define DISTANCETABLE_LIB_VERSION     (F("0.3.2"))
 
 
 class DistanceTable
@@ -31,31 +31,31 @@ public:
   bool     getInvert() { return _invert; };
 
 
-  // minimum and maximum skip x == y  pairs as these are 0.
+  //  minimum and maximum skip x == y  pairs as these are 0.
   float    minimum(uint8_t &x, uint8_t &y);
   float    maximum(uint8_t &x, uint8_t &y);
   float    sum();
   float    average();
 
 
-  // epsilon allows 'almost equal' searches
-  // if (invert == false) count counts both (x,y) and (y,x)  => always even nr.
-  // if (invert == true)  count counts (x,y) and (y,x) separately.
-  // count skips x == y  pairs so counting zero's is missing the diagonal.
+  //  epsilon allows 'almost equal' searches
+  //  if (invert == false) count counts both (x,y) and (y,x)  => always even nr.
+  //  if (invert == true)  count counts (x,y) and (y,x) separately.
+  //  count skips x == y  pairs so counting zero's is missing the diagonal.
   uint16_t count(float value, float epsilon = 0.0);
   uint16_t countAbove(float value);
   uint16_t countBelow(float value);
 
 
-  // debug
-  // default dumps to Serial but other stream are possible
+  //  debug
+  //  default dumps to Serial but other stream are possible
   void     dump(Print * stream = &Serial);
   uint8_t  dimension()  { return _dimension; };
   uint16_t elements()   { return _elements; };
   uint16_t memoryUsed() { return _elements * sizeof(float); };
 
 
-// Obsolete in future
+  //  Obsolete in future 0.4.0
   uint16_t size() { return memoryUsed(); };
 
 protected:
diff --git a/libraries/DistanceTable/library.json b/libraries/DistanceTable/library.json
index 0b3fa7bb..37207c55 100644
--- a/libraries/DistanceTable/library.json
+++ b/libraries/DistanceTable/library.json
@@ -15,7 +15,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/DistanceTable"
   },
-  "version": "0.3.1",
+  "version": "0.3.2",
   "license": "MIT",
   "frameworks": "arduino",
   "platforms": "*",
diff --git a/libraries/DistanceTable/library.properties b/libraries/DistanceTable/library.properties
index dd402fce..9a751de9 100644
--- a/libraries/DistanceTable/library.properties
+++ b/libraries/DistanceTable/library.properties
@@ -1,5 +1,5 @@
 name=DistanceTable
-version=0.3.1
+version=0.3.2
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
 sentence=Library for a memory efficient DistanceTable for Arduino.