diff --git a/README.md b/README.md
index 87c00f4..cb1aaf2 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ There are in .github/workflows/ files:\
 esp-extrinsics.yml        ->  act -j esp8622  ->  to build by arduino-cli binary for target device and run library unit tests
 
 # Deploy 
-1. Set up in Private.h file proper values of keys and addresses for subscription owner and device.\
+1. Set up in Private.h file proper values of keys (Note: ED25519 scheme!) and addresses for subscription owner and device.\
     Note: to explore/create existing key/address can be used sub.py script from this repository or subkey utility from substrate\
     i.e. to get keys for known account mnemonic phrase:\
     subkey inspect "some ... mnemonics" --network robonomics --scheme ed25519\
@@ -29,4 +29,4 @@ After ESP8266 reset you have 3 seconds window to send URL as string, i.e.:  http
 - 3rd byte: 1st character of URL
 
 # Submit of extrinsic be checked in polkadot web UI -> Network -> Explorer
-https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Fkusama.rpc.robonomics.network%2F#/explorer
\ No newline at end of file
+https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Fkusama.rpc.robonomics.network%2F#/explorer
diff --git a/libraries/Crypto/src/AES.h b/libraries/Crypto/src/AES.h
old mode 100644
new mode 100755
index 63adc6d..5685319
--- a/libraries/Crypto/src/AES.h
+++ b/libraries/Crypto/src/AES.h
@@ -27,7 +27,8 @@
 
 // Determine which AES implementation to export to applications.
 #if defined(ESP32)
-#define CRYPTO_AES_ESP32 1
+// fix to allow build for ESP32
+// #define CRYPTO_AES_ESP32 1
 #else
 #define CRYPTO_AES_DEFAULT 1
 #endif
diff --git a/libraries/RpcRobonomics/Defines.h b/libraries/RpcRobonomics/Defines.h
old mode 100644
new mode 100755
index 9c9bf6c..85145d6
--- a/libraries/RpcRobonomics/Defines.h
+++ b/libraries/RpcRobonomics/Defines.h
@@ -1,7 +1,14 @@
 #pragma once 
 
+#define USE_ARDUINO
+
+#ifdef USE_ARDUINO
+// ESP32 or ES8266 in other case
+// #define ESP32_MODEL
+#endif
+
 #define KEYS_SIZE 32
 #define SIGNATURE_SIZE 64
 #define URLRPC "http://kusama.rpc.robonomics.network/rpc/"
 //#define URLRPC "http://192.168.0.100:9933"
-//#define DEBUG_PRINT
\ No newline at end of file
+//#define DEBUG_PRINT
diff --git a/libraries/RpcRobonomics/RpcRobonomics.h b/libraries/RpcRobonomics/RpcRobonomics.h
old mode 100644
new mode 100755
index 6dd3e85..236576c
--- a/libraries/RpcRobonomics/RpcRobonomics.h
+++ b/libraries/RpcRobonomics/RpcRobonomics.h
@@ -1,12 +1,17 @@
 #pragma once 
 
-#include <ESP8266WiFi.h>
-#include <ESP8266HTTPClient.h>
-
+#include <Defines.h>
 #include <Extrinsic.h>
 #include <Call.h>
 #include <JsonUtils.h>
-#include <Defines.h>
+
+#ifdef ESP32_MODEL
+#include <WiFi.h>
+#include <HTTPClient.h>
+#else
+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>
+#endif
 
 typedef struct {
    std::string body;      // responce body
diff --git a/libraries/RpcRobonomics/esp32.diff b/libraries/RpcRobonomics/esp32.diff
new file mode 100644
index 0000000..c216868
--- /dev/null
+++ b/libraries/RpcRobonomics/esp32.diff
@@ -0,0 +1,4 @@
+7c7
+< // #define ESP32_MODEL
+---
+> #define ESP32_MODEL
diff --git a/rpcjsonc/rpcjsonc.ino b/rpcjsonc/rpcjsonc.ino
index 02d173f..bf081aa 100644
--- a/rpcjsonc/rpcjsonc.ino
+++ b/rpcjsonc/rpcjsonc.ino
@@ -2,12 +2,18 @@
 #include <string>
 
 #include <Arduino.h>
-#include <ESP8266WiFi.h>
-#include <ESP8266HTTPClient.h>
 #include <EEPROM.h>
-
+#include <Defines.h>
 #include <RpcRobonomics.h>
 
+#ifdef ESP32_MODEL
+#include <WiFi.h>
+#include <HTTPClient.h>
+#else
+#include <ESP8266WiFi.h>
+#include <ESP8266HTTPClient.h>
+#endif
+
 // WiFi credentials and private keys are hidden in Private.h file
 // pub keys are derived on ctor of RobonomicsRpc
 // need to have derived or generated PUB_OWNER_KEY, SS58_ADR, SS58_DEVICE_ADR
@@ -147,7 +153,7 @@ void loop () {
 #else
         Serial.println("RPC RWS task run");
         RobonomicsRpc rpcProvider(client, robonomics_url, PRIV_DEVICE_KEY, SS58_DEVICE_ADR, id_counter);
-        RpcResult r = rpcProvider.RwsDatalogRecord(PUB_OWNER_KEY, std::to_string(id_counter));
+        RpcResult r = rpcProvider.RwsDatalogRecord(PUB_OWNER_KEY, PUB_OWNER_KEY);
 #endif        
         coins_count += 10000;
         id_counter = id_counter + 2;