diff --git a/libraries/AD5248/.github/FUNDING.yml b/libraries/AD5248/.github/FUNDING.yml
index 90d9ab4c..554358c3 100644
--- a/libraries/AD5248/.github/FUNDING.yml
+++ b/libraries/AD5248/.github/FUNDING.yml
@@ -1,4 +1,4 @@
 # These are supported funding model platforms
 
 github: RobTillaart
-
+custom: "https://www.paypal.me/robtillaart"
diff --git a/libraries/AD5248/.github/workflows/arduino-lint.yml b/libraries/AD5248/.github/workflows/arduino-lint.yml
index 8a26f14a..870a1769 100644
--- a/libraries/AD5248/.github/workflows/arduino-lint.yml
+++ b/libraries/AD5248/.github/workflows/arduino-lint.yml
@@ -6,7 +6,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: arduino/arduino-lint-action@v1
         with:
           library-manager: update
diff --git a/libraries/AD5248/.github/workflows/arduino_test_runner.yml b/libraries/AD5248/.github/workflows/arduino_test_runner.yml
index fadfa904..5506eb6a 100644
--- a/libraries/AD5248/.github/workflows/arduino_test_runner.yml
+++ b/libraries/AD5248/.github/workflows/arduino_test_runner.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6
diff --git a/libraries/AD5248/.github/workflows/jsoncheck.yml b/libraries/AD5248/.github/workflows/jsoncheck.yml
index 37a11298..d4f78d58 100644
--- a/libraries/AD5248/.github/workflows/jsoncheck.yml
+++ b/libraries/AD5248/.github/workflows/jsoncheck.yml
@@ -10,9 +10,9 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: json-syntax-check
-        uses: limitusus/json-syntax-check@v1
+        uses: limitusus/json-syntax-check@v2
         with:
           pattern: "\\.json$"
 
diff --git a/libraries/AD5248/AD5248.cpp b/libraries/AD5248/AD5248.cpp
index dd213344..a4851528 100644
--- a/libraries/AD5248/AD5248.cpp
+++ b/libraries/AD5248/AD5248.cpp
@@ -1,7 +1,7 @@
 //
 //    FILE: AD5248.cpp
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.1.0
+// VERSION: 0.1.1
 // PURPOSE: Library for I2C digital potentiometer AD5243 + rheostat AD5248
 //    DATE: 2023-12-12
 //     URL: https://github.com/RobTillaart/AD5248
@@ -15,6 +15,8 @@
 #define AD5248_RESET        0x40
 #define AD5248_SHUTDOWN     0x20
 
+#define AD5243_ADDRESS      0x2F
+
 
 AD5248::AD5248(uint8_t address, TwoWire *wire)
 {
@@ -42,6 +44,12 @@ bool AD5248::isConnected()
 }
 
 
+uint8_t AD5248::getAddress()
+{
+  return _address;
+}
+
+
 uint8_t AD5248::reset()
 {
   write(0, AD5248_MIDPOINT);
@@ -123,7 +131,7 @@ uint8_t AD5248::send(const uint8_t cmd, const uint8_t value)
 //
 //  DERIVED CLASS  AD5243 potentiometer
 //
-AD5243::AD5243(TwoWire * wire) : AD5248(0x2C, wire)
+AD5243::AD5243(TwoWire * wire) : AD5248(AD5243_ADDRESS, wire)  //  fixed address
 {
   _pmCount = 2;
 }
diff --git a/libraries/AD5248/AD5248.h b/libraries/AD5248/AD5248.h
index 6ee534b5..5a23b028 100644
--- a/libraries/AD5248/AD5248.h
+++ b/libraries/AD5248/AD5248.h
@@ -2,7 +2,7 @@
 //
 //    FILE: AD5248.h
 //  AUTHOR: Rob Tillaart
-// VERSION: 0.1.0
+// VERSION: 0.1.1
 // PURPOSE: Library for I2C digital potentiometer AD5243 + rheostat AD5248
 //    DATE: 2023-12-12
 //     URL: https://github.com/RobTillaart/AD5248
@@ -12,7 +12,7 @@
 #include "Wire.h"
 
 
-#define AD5248_LIB_VERSION    (F("0.1.0"))
+#define AD5248_LIB_VERSION    (F("0.1.1"))
 
 
 #define AD5248_OK             0
@@ -20,7 +20,7 @@
 
 
 #define AD5248_MIDPOINT       127
- 
+
 
 class AD5248
 {
@@ -29,6 +29,7 @@ public:
 
   bool    begin();
   bool    isConnected();
+  uint8_t getAddress();
 
   //  RESET
   uint8_t reset();    //  reset both channels to AD524X_MIDPOINT
@@ -62,7 +63,7 @@ protected:
 
 //////////////////////////////////////////////////////////////
 //
-//  DERIVED CLASSES  AD5248 rheostat
+//  DERIVED CLASS  AD5243 potentiometer
 //
 class AD5243 : public AD5248
 {
diff --git a/libraries/AD5248/CHANGELOG.md b/libraries/AD5248/CHANGELOG.md
index 00b11ce4..47ae19a4 100644
--- a/libraries/AD5248/CHANGELOG.md
+++ b/libraries/AD5248/CHANGELOG.md
@@ -6,6 +6,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [0.1.1] - 2024-03-16
+- add **getAddress()** (e.g. debugging)
+- update GitHub actions
+- update keywords.txt
+- minor edits
+
+
 ## [0.1.0] - 2023-12-12
 - initial versions
 
diff --git a/libraries/AD5248/LICENSE b/libraries/AD5248/LICENSE
index 16ef1551..03053375 100644
--- a/libraries/AD5248/LICENSE
+++ b/libraries/AD5248/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2023-2023 Rob Tillaart
+Copyright (c) 2023-2024 Rob Tillaart
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/libraries/AD5248/README.md b/libraries/AD5248/README.md
index 72654295..af914af8 100644
--- a/libraries/AD5248/README.md
+++ b/libraries/AD5248/README.md
@@ -11,7 +11,7 @@
 
 # AD5248
 
-Arduino library for I2C digital potentioMeter AD5243 + rheostat AD5248
+Arduino library for I2C digital potentioMeter AD5243 and rheostat AD5248
 
 
 ## Description
@@ -28,22 +28,22 @@ The AD5243 is a digital potentiometer, the AD5248 is a digital rheostat.
 Both IC's have two "channels" and they do not have the output lines
 some other IC's in these series have e.g. like the AD5242.
 
-The AD5243 has a fixed address (0x2F = 47) while the AD5248 has 2 address pins 
-giving 4 possible addresses. See table.
+The AD5243 has a fixed address (0x2F = 47 decimal) while the AD5248 has 
+two address pins giving 4 possible addresses. See table below.
 
 
-| Addr(dec)| Addr(Hex) |  AD1  |  AD0  |
-|:--------:|:---------:|:-----:|:-----:|
+| Addr(dec)| Addr(Hex) |  AD1  |  AD0  |  Notes  |
+|:--------:|:---------:|:-----:|:-----:|:-------:|
 |    44    |   0x2C    |  GND  |  GND  |
 |    45    |   0x2D    |  GND  |  +5V  |
 |    46    |   0x2E    |  +5V  |  GND  |
-|    47    |   0x2F    |  +5V  |  +5V  |
+|    47    |   0x2F    |  +5V  |  +5V  |  fixed address of AD5243  |
 
 
 An important property of the devices is that they defaults
 to their mid position at startup.
 
-The library defines AD5243_MIDPOINT == 127.
+The library defines **AD5248_MIDPOINT == 127**.
 To be used to set to defined mid-point.
 
 
@@ -52,6 +52,7 @@ To be used to set to defined mid-point.
 - https://github.com/RobTillaart/AD520x
 - https://github.com/RobTillaart/AD524X
 - https://github.com/RobTillaart/AD5245
+- https://github.com/RobTillaart/AD5248
 - https://github.com/RobTillaart/AD5144A
 - https://github.com/RobTillaart/AD5263
 - https://github.com/RobTillaart/X9C10X
@@ -59,7 +60,6 @@ To be used to set to defined mid-point.
 
 #### Compatibles
 
-
 If you know compatible devices please let me know.
 
 
@@ -81,9 +81,9 @@ creates an instance with 2 potentiometers.
 - **bool begin()** initialization of the object. 
 Note the user must call **wire.begin()** or equivalent before calling **begin()**.
 - **bool isConnected()** See if the address set in constructor is on the I2C bus.
+- **uint8_t getAddress()**  Returns address set in the constructor, or fixed 0x2F for the AD5243.
 
-
-#### REad write
+#### Read write
 
 - **uint8_t read(uint8_t channel)** read back the set value.
 - **uint8_t write(uint8_t channel, uint8_t value)** set channel 0/1 to value 0..255.
@@ -98,11 +98,6 @@ Note the user must call **wire.begin()** or equivalent before calling **begin()*
 - **uint8_t shutDown()** check datasheet, not tested yet, use at own risk.
 
 
-## Operation
-
-The examples show the basic working of the functions.
-
-
 ## Error codes
 
 |  define        |  value  |
diff --git a/libraries/AD5248/examples/AD5243_read/AD5243_read.ino b/libraries/AD5248/examples/AD5243_read/AD5243_read.ino
index a411438c..a80ef6e6 100644
--- a/libraries/AD5248/examples/AD5243_read/AD5243_read.ino
+++ b/libraries/AD5248/examples/AD5243_read/AD5243_read.ino
@@ -3,7 +3,6 @@
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
 //     URL: https://github.com/RobTillaart/AD5248
-//
 
 
 #include "AD5248.h"
diff --git a/libraries/AD5248/examples/AD5243_write/AD5243_write.ino b/libraries/AD5248/examples/AD5243_write/AD5243_write.ino
index a665cc68..91e888f5 100644
--- a/libraries/AD5248/examples/AD5243_write/AD5243_write.ino
+++ b/libraries/AD5248/examples/AD5243_write/AD5243_write.ino
@@ -3,7 +3,6 @@
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
 //     URL: https://github.com/RobTillaart/AD5248
-//
 
 
 #include "AD5248.h"
diff --git a/libraries/AD5248/examples/AD5243_write_ESP32/AD5243_write_ESP32.ino b/libraries/AD5248/examples/AD5243_write_ESP32/AD5243_write_ESP32.ino
index 2d238486..f4c22ae9 100644
--- a/libraries/AD5248/examples/AD5243_write_ESP32/AD5243_write_ESP32.ino
+++ b/libraries/AD5248/examples/AD5243_write_ESP32/AD5243_write_ESP32.ino
@@ -3,7 +3,6 @@
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
 //     URL: https://github.com/RobTillaart/AD5248
-//
 
 
 #include "AD5248.h"
@@ -21,7 +20,7 @@ void setup()
 
   Wire1.begin(21, 22);  //  adjust if needed
   Wire1.setClock(400000);
-  
+
   bool b = AD01.begin();
   Serial.println(b ? "true" : "false");
   Serial.println(AD01.isConnected());
diff --git a/libraries/AD5248/examples/AD5243_write_RP2040/AD5243_write_RP2040.ino b/libraries/AD5248/examples/AD5243_write_RP2040/AD5243_write_RP2040.ino
index 017ff0f6..7115e8e8 100644
--- a/libraries/AD5248/examples/AD5243_write_RP2040/AD5243_write_RP2040.ino
+++ b/libraries/AD5248/examples/AD5243_write_RP2040/AD5243_write_RP2040.ino
@@ -3,7 +3,6 @@
 //  AUTHOR: Rob Tillaart
 // PURPOSE: demo
 //     URL: https://github.com/RobTillaart/AD5248
-//
 
 
 #include "AD5248.h"
@@ -23,7 +22,7 @@ void setup()
   Wire1.setSCL(13);  //  adjust if needed
   Wire1.begin();
   Wire1.setClock(400000);
-  
+
   bool b = AD01.begin();
   Serial.println(b ? "true" : "false");
   Serial.println(AD01.isConnected());
diff --git a/libraries/AD5248/keywords.txt b/libraries/AD5248/keywords.txt
index 9202bc2a..e9f9a551 100644
--- a/libraries/AD5248/keywords.txt
+++ b/libraries/AD5248/keywords.txt
@@ -7,6 +7,9 @@ AD5248	KEYWORD1
 
 # Methods and Functions (KEYWORD2)
 begin	KEYWORD2
+isConnected	KEYWORD2
+getAddress	KEYWORD2
+
 reset	KEYWORD2
 zeroAll	KEYWORD2
 
@@ -15,6 +18,8 @@ write	KEYWORD2
 
 midScaleReset	KEYWORD2
 pmCount	KEYWORD2
+
+readBackRegister	KEYWORD2
 shutDown	KEYWORD2
 
 
diff --git a/libraries/AD5248/library.json b/libraries/AD5248/library.json
index 6053156e..3897b766 100644
--- a/libraries/AD5248/library.json
+++ b/libraries/AD5248/library.json
@@ -1,7 +1,7 @@
 {
   "name": "AD5248",
   "keywords": "I2C,digital,potentiometer, rheostat, AD5243, AD5248",
-  "description": "Library for I2C digital potentiometer AD5243 + rheostat AD5248.",
+  "description": "Library for I2C digital potentiometer AD5243 and rheostat AD5248.",
   "authors":
   [
     {
@@ -15,7 +15,7 @@
     "type": "git",
     "url": "https://github.com/RobTillaart/AD5248"
   },
-  "version": "0.1.0",
+  "version": "0.1.1",
   "license": "MIT",
   "frameworks": "*",
   "platforms": "*",
diff --git a/libraries/AD5248/library.properties b/libraries/AD5248/library.properties
index 4096b33c..bc98c7ff 100644
--- a/libraries/AD5248/library.properties
+++ b/libraries/AD5248/library.properties
@@ -1,8 +1,8 @@
 name=AD5248
-version=0.1.0
+version=0.1.1
 author=Rob Tillaart <rob.tillaart@gmail.com>
 maintainer=Rob Tillaart <rob.tillaart@gmail.com>
-sentence=Library for I2C digital potentiometer AD5243 + rheostat AD5248
+sentence=Library for I2C digital potentiometer AD5243 and rheostat AD5248
 paragraph=
 category=Signal Input/Output
 url=https://github.com/RobTillaart/AD5248
diff --git a/libraries/AD5248/test/unit_test_001.cpp b/libraries/AD5248/test/unit_test_001.cpp
index 3e431ac0..0ec5e5d5 100644
--- a/libraries/AD5248/test/unit_test_001.cpp
+++ b/libraries/AD5248/test/unit_test_001.cpp
@@ -41,10 +41,12 @@ unittest(test_constructors)
   Wire.begin();
 
   AD5243 ADx;
+  assertEqual(0x2F, ADx.getAddress());
   assertEqual(127, ADx.read(0));
   assertEqual(127, ADx.read(1));
 
   AD5248 AD1(0x2C);
+  assertEqual(0x2C, AD1.getAddress());
   assertEqual(127, AD1.read(0));
   assertEqual(127, AD1.read(1));
 }
@@ -56,7 +58,7 @@ unittest(test_pmCount)
 
   AD5243 ADx;
   assertEqual(2, ADx.pmCount());
-  
+
   AD5248 AD1(0x2C);
   assertEqual(2, ADx.pmCount());
 }