diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2b721fb5..6d2d7231 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -221,11 +221,18 @@ if (TESTS)
 	add_subdirectory(tests)
 endif()
 
-if(PIP_FREERTOS)
-	add_definitions(-DPIP_FREERTOS)
+if(PIP_MICRO)
+	add_definitions(-DMICRO_PIP)
 	set(ICU OFF)
 	set(LOCAL ON)
 endif()
+if(PIP_FREERTOS)
+	add_definitions(-DPIP_FREERTOS)
+endif()
+if(DEFINED PICO_BOARD)
+	add_definitions(-DPICO_SDK)
+	message(STATUS "Building PIP for Pi Pico SDK ${PICO_SDK_VERSION_STRING}")
+endif()
 
 # Check Bessel functions
 set(CMAKE_REQUIRED_INCLUDES math.h)
@@ -329,7 +336,7 @@ if ((NOT DEFINED SHSTKPROJECT) AND (DEFINED ANDROID_PLATFORM))
 	#message("${ANDROID_NDK}/sysroot/usr/include")
 endif()
 
-if(NOT PIP_FREERTOS)
+if(NOT PIP_MICRO)
 	if(WIN32)
 		if(${C_COMPILER} STREQUAL "cl.exe")
 		else()
@@ -350,7 +357,7 @@ if(NOT PIP_FREERTOS)
 	endif()
 endif()
 set(PIP_LIBS)
-if(PIP_FREERTOS)
+if(PIP_MICRO)
 	set(PIP_LIBS ${LIBS_MAIN})
 else()
 	foreach(LIB_ ${LIBS_MAIN})
@@ -364,11 +371,11 @@ if(WIN32)
 	endif()
 else()
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
-	if(DEFINED ENV{QNX_HOST} OR PIP_FREERTOS)
-		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-depth-32")
-	endif()
 endif()
 set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS}")
+if(DEFINED ENV{QNX_HOST} OR PIP_MICRO)
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftemplate-depth-32")
+endif()
 
 set(PCRE2_BUILD_PCRE2_8   OFF)
 set(PCRE2_BUILD_PCRE2_16  ON )
@@ -406,7 +413,7 @@ endif()
 
 
 if (NOT CROSSTOOLS)
-	if (NOT PIP_FREERTOS)
+	if (NOT PIP_MICRO)
 
 		if (PIP_BUILD_CONSOLE)
 			pip_module(console "" "PIP console support" "" "" "")
@@ -624,7 +631,7 @@ string(REPLACE ";" "," PIP_EXPORTS_STR "${PIP_EXPORTS}")
 target_compile_definitions(pip PRIVATE "PICODE_DEFINES=\"${PIP_EXPORTS_STR}\"")
 
 
-if(NOT PIP_FREERTOS)
+if(NOT PIP_MICRO)
 
 # Auxiliary
 	if (NOT CROSSTOOLS)
@@ -701,7 +708,7 @@ if(NOT LOCAL)
 		install(TARGETS ${PIP_MODULES} DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)
 	endif()
 else()
-	if(NOT PIP_FREERTOS)
+	if(NOT PIP_MICRO)
 		if(WIN32)
 			install(TARGETS ${PIP_MODULES} RUNTIME DESTINATION bin)
 			install(TARGETS ${PIP_MODULES} ARCHIVE DESTINATION lib)
@@ -729,7 +736,7 @@ endif()
 #
 # Build Documentation
 #
-if ((NOT PIP_FREERTOS) AND (NOT CROSSTOOLS))
+if ((NOT PIP_MICRO) AND (NOT CROSSTOOLS))
 	include(PIPDocumentation)
 	find_package(Doxygen)
 	if(DOXYGEN_FOUND)
@@ -798,7 +805,7 @@ message(" Type   : ${CMAKE_BUILD_TYPE}")
 if (NOT LOCAL)
 	message(" Install: \"${CMAKE_INSTALL_PREFIX}\"")
 else()
-	if(NOT PIP_FREERTOS)
+	if(NOT PIP_MICRO)
 		message(" Install: local \"bin\", \"lib\" and \"include\"")
 	endif()
 endif()
@@ -831,7 +838,7 @@ message(" Utilites:")
 foreach(_util ${PIP_UTILS_LIST})
 	message("  * ${_util}")
 endforeach()
-if(NOT PIP_FREERTOS)
+if(NOT PIP_MICRO)
 	message("")
 	message(" Using libraries:")
 	foreach(LIB_ ${LIBS_STATUS})
diff --git a/cmake/FindPIP.cmake b/cmake/FindPIP.cmake
index 82edb664..c88c2e54 100644
--- a/cmake/FindPIP.cmake
+++ b/cmake/FindPIP.cmake
@@ -71,7 +71,7 @@ if (NOT BUILDING_PIP)
 			find_library(PTHREAD_LIBRARY pthread)
 			find_library(UTIL_LIBRARY util)
 			set(_PIP_ADD_LIBS_ ${PTHREAD_LIBRARY} ${UTIL_LIBRARY})
-			if((NOT DEFINED ENV{QNX_HOST}) AND (NOT APPLE) AND (NOT PIP_FREERTOS))
+			if((NOT DEFINED ENV{QNX_HOST}) AND (NOT APPLE) AND (NOT PIP_MICRO))
 				find_library(RT_LIBRARY rt)
 				list(APPEND _PIP_ADD_LIBS_ ${RT_LIBRARY})
 			endif()
diff --git a/esp-pip/CMakeLists.txt b/esp-pip/CMakeLists.txt
index 00e1f1fb..c66fdfcb 100644
--- a/esp-pip/CMakeLists.txt
+++ b/esp-pip/CMakeLists.txt
@@ -17,6 +17,7 @@ list(APPEND COMPONENT_ADD_INCLUDEDIRS "../libs/main/thread")
 set(COMPONENT_PRIV_REQUIRES pthread lwip freertos vfs spi_flash libsodium)
 register_component()
 set(PIP_FREERTOS ON)
+set(PIP_MICRO ON)
 set(LIB OFF)
 set(INCLUDE_DIRS ${IDF_INCLUDE_DIRECTORIES})
 list(APPEND INCLUDE_DIRS $ENV{IDF_PATH}/components/newlib/platform_include)
diff --git a/libs/main/application/pisystemmonitor.cpp b/libs/main/application/pisystemmonitor.cpp
index 6e89a58e..fbd1496b 100644
--- a/libs/main/application/pisystemmonitor.cpp
+++ b/libs/main/application/pisystemmonitor.cpp
@@ -113,7 +113,7 @@ bool PISystemMonitor::startOnProcess(int pID, PISystemTime interval) {
 	}
 #	endif
 #  else
-	PRIVATE->hProc = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pID_);
+	PRIVATE->hProc      = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pID_);
 	if (PRIVATE->hProc == 0) {
 		piCoutObj << "Can`t open process with ID = %1, %2!"_tr("PISystemMonitor").arg(pID_).arg(errorString());
 		return false;
@@ -178,6 +178,9 @@ PISystemTime uint64toST(uint64_t v) {
 void PISystemMonitor::run() {
 	cur_tm.clear();
 	tbid.clear();
+	ProcessStats tstat;
+	tstat.ID = pID_;
+#ifndef PIP_NO_THREADS
 	__PIThreadCollection * pitc = __PIThreadCollection::instance();
 	pitc->lock();
 	PIVector<PIThread *> tv = pitc->threads();
@@ -185,16 +188,14 @@ void PISystemMonitor::run() {
 		if (t->isPIObject()) tbid[t->tid()] = t->name();
 	pitc->unlock();
 	// piCout << tbid.keys().toType<uint>();
-	ProcessStats tstat;
-	tstat.ID = pID_;
-#ifdef MICRO_PIP
+#  ifdef FREERTOS
 	for (auto * t: tv)
 		if (t->isPIObject()) gatherThread(t->tid());
-#else
-#  ifndef WINDOWS
+#  else // FREERTOS
+#	ifndef WINDOWS
 	double delay_ms = delay_.toMilliseconds();
 	tbid[pID_]      = "main";
-#	ifdef MAC_OS
+#	  ifdef MAC_OS
 	rusage_info_current ru;
 	proc_pid_rusage(pID_, RUSAGE_INFO_CURRENT, (rusage_info_t *)&ru);
 	// piCout << PISystemTime(((uint*)&(ru.ri_user_time))[1], ((uint*)&(ru.ri_user_time))[0]);
@@ -210,7 +211,7 @@ void PISystemMonitor::run() {
 	tstat.cpu_load_user   = 100.f * (PRIVATE->cpu_u_cur - PRIVATE->cpu_u_prev).toMilliseconds() / delay_ms;
 	cycle                 = 0;
 	// piCout << (PRIVATE->cpu_u_cur - PRIVATE->cpu_u_prev).toMilliseconds() / delay_ms;
-#	else
+#	  else  // MAC_OS
 	PRIVATE->file.seekToBegin();
 	PIString str = PIString::fromAscii(PRIVATE->file.readAll());
 	int si = str.find('(') + 1, fi = 0, cc = 1;
@@ -264,8 +265,8 @@ void PISystemMonitor::run() {
 		if (i.flags[PIFile::FileInfo::Dot] || i.flags[PIFile::FileInfo::DotDot]) continue;
 		gatherThread(i.name().toInt());
 	}
-#	endif
-#  else
+#	  endif // MAC_OS
+#	else    // WINDOWS
 	if (GetProcessMemoryInfo(PRIVATE->hProc, &PRIVATE->mem_cnt, sizeof(PRIVATE->mem_cnt)) != 0) {
 		tstat.physical_memsize = PRIVATE->mem_cnt.WorkingSetSize;
 	}
@@ -315,8 +316,9 @@ void PISystemMonitor::run() {
 		tstat.cpu_load_user   = 0.f;
 	}
 	PRIVATE->tm.reset();
-#  endif
-#endif
+#	endif   // WINDOWS
+#  endif     // FREERTOS
+#endif       // PIP_NO_THREADS
 
 	tstat.cpu_load_system = piClampf(tstat.cpu_load_system, 0.f, 100.f);
 	tstat.cpu_load_user   = piClampf(tstat.cpu_load_user, 0.f, 100.f);
@@ -352,7 +354,7 @@ void PISystemMonitor::gatherThread(llong id) {
 #ifdef MICRO_PIP
 	ts.name = tbid.value(id, "<PIThread>");
 #else
-	ts.name = tbid.value(id, "<non-PIThread>");
+	ts.name  = tbid.value(id, "<non-PIThread>");
 #  ifndef WINDOWS
 	PIFile f(PRIVATE->proc_dir + "task/" + PIString::fromNumber(id) + "/stat");
 	// piCout << f.path();
diff --git a/libs/main/piplatform.h b/libs/main/piplatform.h
index 563980de..f9949179 100644
--- a/libs/main/piplatform.h
+++ b/libs/main/piplatform.h
@@ -51,8 +51,10 @@
 #ifdef PIP_FREERTOS
 #  define FREERTOS
 #endif
-#if defined(FREERTOS) || defined(PLATFORMIO)
-#  define MICRO_PIP
+#ifdef MICRO_PIP
+#  ifndef FREERTOS
+#	define PIP_NO_THREADS
+#  endif
 #endif
 #ifndef WINDOWS
 #  ifndef QNX