diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..a4b657d
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,350 @@
+{
+    "configurations": [
+        {
+            "name": "nrf52833_xxaa",
+            "includePath": [
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\dynamic_electrocardiograph_ble_server\\config",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_advertising",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_db_discovery",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_dtm",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_racp",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_ancs_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_ans_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_bas",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_bas_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_cscs",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_cts_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_dfu",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_dis",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_gls",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_hids",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_hrs",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_hrs_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_hts",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_ias",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_ias_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_lbs",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_lbs_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_lls",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_nus",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_nus_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_rscs",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_rscs_c",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_services\\ble_tps",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\common",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\nrf_ble_gatt",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\nrf_ble_gq",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\nrf_ble_qwr",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\nrf_ble_scan",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\peer_manager",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\boards",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\atomic",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\atomic_fifo",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\balloc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\bootloader\\ble_dfu",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\bsp",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\button",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\cli",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\crc16",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\crc32",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\crypto",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\csense",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\csense_drv",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\delay",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\ecc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\experimental_section_vars",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\experimental_task_manager",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\fds",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\fifo",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\fstorage",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\gfx",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\gpiote",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\hardfault",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\hci",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\led_softblink",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\log",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\log\\src",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\low_power_pwm",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\mem_manager",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\memobj",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\mpu",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\mutex",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\pwm",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\pwr_mgmt",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\queue",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\ringbuf",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\scheduler",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\sdcard",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\slip",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\sortlist",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\spi_mngr",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\stack_guard",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\strerror",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\svc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\timer",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\twi_mngr",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\twi_sensor",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\uart",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\audio",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\cdc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\cdc\\acm",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\hid",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\hid\\generic",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\hid\\kbd",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\hid\\mouse",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\usbd\\class\\msc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\util",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\conn_hand_parser",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\conn_hand_parser\\ac_rec_parser",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\conn_hand_parser\\ble_oob_advdata_parser",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\conn_hand_parser\\le_oob_rec_parser",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\ac_rec",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\ble_oob_advdata",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\ble_pair_lib",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\ble_pair_msg",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\common",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\ep_oob_rec",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\hs_rec",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\connection_handover\\le_oob_rec",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\generic\\message",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\generic\\record",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\launchapp",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\parser\\message",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\parser\\record",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\text",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\ndef\\uri",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\platform",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\t2t_lib",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\t2t_parser",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\t4t_lib",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\t4t_parser\\apdu",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\t4t_parser\\cc_file",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\t4t_parser\\hl_detection_procedure",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\nfc\\t4t_parser\\tlv",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\softdevice\\common",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\softdevice\\s122\\headers",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\softdevice\\s122\\headers\\nrf52",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\external\\fprintf",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\external\\segger_rtt",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\external\\utf_converter",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\integration\\nrfx",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\integration\\nrfx\\legacy",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\drivers\\include",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\hal",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\config",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\dynamic_electrocardiograph_ble_server",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\soc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\drivers\\src",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\drivers\\src\\prs"
+            ],
+            "defines": [
+                "APP_TIMER_V2",
+                "APP_TIMER_V2_RTC1_ENABLED",
+                "BOARD_QING_FENG_NRF52833",
+                "CONFIG_GPIO_AS_PINRESET",
+                "FLOAT_ABI_HARD",
+                "NRF52833_XXAA",
+                "NRF_SD_BLE_API_VERSION=8",
+                "S122",
+                "SOFTDEVICE_PRESENT",
+                "__HEAP_SIZE=2048",
+                "__STACK_SIZE=2048",
+                "__CC_ARM",
+                "__arm__",
+                "__align(x)=",
+                "__ALIGNOF__(x)=",
+                "__alignof__(x)=",
+                "__asm(x)=",
+                "__forceinline=",
+                "__restrict=",
+                "__global_reg(n)=",
+                "__inline=",
+                "__int64=long long",
+                "__INTADDR__(expr)=0",
+                "__irq=",
+                "__packed=",
+                "__pure=",
+                "__smc(n)=",
+                "__svc(n)=",
+                "__svc_indirect(n)=",
+                "__svc_indirect_r7(n)=",
+                "__value_in_regs=",
+                "__weak=",
+                "__writeonly=",
+                "__declspec(x)=",
+                "__attribute__(x)=",
+                "__nonnull__(x)=",
+                "__register=",
+                "__breakpoint(x)=",
+                "__cdp(x,y,z)=",
+                "__clrex()=",
+                "__clz(x)=0U",
+                "__current_pc()=0U",
+                "__current_sp()=0U",
+                "__disable_fiq()=",
+                "__disable_irq()=",
+                "__dmb(x)=",
+                "__dsb(x)=",
+                "__enable_fiq()=",
+                "__enable_irq()=",
+                "__fabs(x)=0.0",
+                "__fabsf(x)=0.0f",
+                "__force_loads()=",
+                "__force_stores()=",
+                "__isb(x)=",
+                "__ldrex(x)=0U",
+                "__ldrexd(x)=0U",
+                "__ldrt(x)=0U",
+                "__memory_changed()=",
+                "__nop()=",
+                "__pld(...)=",
+                "__pli(...)=",
+                "__qadd(x,y)=0",
+                "__qdbl(x)=0",
+                "__qsub(x,y)=0",
+                "__rbit(x)=0U",
+                "__rev(x)=0U",
+                "__return_address()=0U",
+                "__ror(x,y)=0U",
+                "__schedule_barrier()=",
+                "__semihost(x,y)=0",
+                "__sev()=",
+                "__sqrt(x)=0.0",
+                "__sqrtf(x)=0.0f",
+                "__ssat(x,y)=0",
+                "__strex(x,y)=0U",
+                "__strexd(x,y)=0",
+                "__strt(x,y)=",
+                "__swp(x,y)=0U",
+                "__usat(x,y)=0U",
+                "__wfe()=",
+                "__wfi()=",
+                "__yield()=",
+                "__vfp_status(x,y)=0"
+            ],
+            "intelliSenseMode": "${default}"
+        },
+        {
+            "name": "flash_s122_nrf52_8.0.0_softdevice",
+            "includePath": [
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\dynamic_electrocardiograph_ble_server\\config",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\config",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\dynamic_electrocardiograph_ble_server",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\boards",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\bsp",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\external\\utf_converter",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\common",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\ble_db_discovery",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\nrf_ble_gatt",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\nrf_ble_gq",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\ble\\nrf_ble_scan",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\integration\\nrfx\\legacy",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\soc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\drivers\\src",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\modules\\nrfx\\drivers\\src\\prs",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\button",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\util",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\fifo",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\scheduler",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\timer",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\uart",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\hardfault",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\atomic_fifo",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\atomic",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\balloc",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\external\\fprintf",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\memobj",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\pwr_mgmt",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\queue",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\ringbuf",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\experimental_section_vars",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\sortlist",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\strerror",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\libraries\\log\\src",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\external\\segger_rtt",
+                "d:\\workspace\\nordic_wp\\three_lead_ecg_v2\\sdk\\components\\softdevice\\common"
+            ],
+            "defines": [
+                "__HEAP_SIZE=2048",
+                "__STACK_SIZE=2048",
+                "__CC_ARM",
+                "__arm__",
+                "__align(x)=",
+                "__ALIGNOF__(x)=",
+                "__alignof__(x)=",
+                "__asm(x)=",
+                "__forceinline=",
+                "__restrict=",
+                "__global_reg(n)=",
+                "__inline=",
+                "__int64=long long",
+                "__INTADDR__(expr)=0",
+                "__irq=",
+                "__packed=",
+                "__pure=",
+                "__smc(n)=",
+                "__svc(n)=",
+                "__svc_indirect(n)=",
+                "__svc_indirect_r7(n)=",
+                "__value_in_regs=",
+                "__weak=",
+                "__writeonly=",
+                "__declspec(x)=",
+                "__attribute__(x)=",
+                "__nonnull__(x)=",
+                "__register=",
+                "__breakpoint(x)=",
+                "__cdp(x,y,z)=",
+                "__clrex()=",
+                "__clz(x)=0U",
+                "__current_pc()=0U",
+                "__current_sp()=0U",
+                "__disable_fiq()=",
+                "__disable_irq()=",
+                "__dmb(x)=",
+                "__dsb(x)=",
+                "__enable_fiq()=",
+                "__enable_irq()=",
+                "__fabs(x)=0.0",
+                "__fabsf(x)=0.0f",
+                "__force_loads()=",
+                "__force_stores()=",
+                "__isb(x)=",
+                "__ldrex(x)=0U",
+                "__ldrexd(x)=0U",
+                "__ldrt(x)=0U",
+                "__memory_changed()=",
+                "__nop()=",
+                "__pld(...)=",
+                "__pli(...)=",
+                "__qadd(x,y)=0",
+                "__qdbl(x)=0",
+                "__qsub(x,y)=0",
+                "__rbit(x)=0U",
+                "__rev(x)=0U",
+                "__return_address()=0U",
+                "__ror(x,y)=0U",
+                "__schedule_barrier()=",
+                "__semihost(x,y)=0",
+                "__sev()=",
+                "__sqrt(x)=0.0",
+                "__sqrtf(x)=0.0f",
+                "__ssat(x,y)=0",
+                "__strex(x,y)=0U",
+                "__strexd(x,y)=0",
+                "__strt(x,y)=",
+                "__swp(x,y)=0U",
+                "__usat(x,y)=0U",
+                "__wfe()=",
+                "__wfi()=",
+                "__yield()=",
+                "__vfp_status(x,y)=0"
+            ],
+            "intelliSenseMode": "${default}"
+        }
+    ],
+    "version": 4
+}
\ No newline at end of file
diff --git a/ble_app_uart_c_pca10100_s122.uvguix.h_zha b/ble_app_uart_c_pca10100_s122.uvguix.h_zha
index 6b03c97..32967f8 100644
--- a/ble_app_uart_c_pca10100_s122.uvguix.h_zha
+++ b/ble_app_uart_c_pca10100_s122.uvguix.h_zha
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         </Buttons>
         <OriginalItems>
           <Len>1423</Len>
diff --git a/config/sdk_config.h b/config/sdk_config.h
index dea50db..b8a12d5 100644
--- a/config/sdk_config.h
+++ b/config/sdk_config.h
@@ -309,7 +309,7 @@
 
 // <o> NRF_BLE_SCAN_NAME_CNT - Number of name filters. 
 #ifndef NRF_BLE_SCAN_NAME_CNT
-#define NRF_BLE_SCAN_NAME_CNT 1
+#define NRF_BLE_SCAN_NAME_CNT 10
 #endif
 
 // <o> NRF_BLE_SCAN_SHORT_NAME_CNT - Number of short name filters. 
diff --git a/main.c b/main.c
index 35fc9de..5373b9e 100644
--- a/main.c
+++ b/main.c
@@ -175,7 +175,9 @@ static void scan_evt_handler(scan_evt_t const * p_scan_evt)
 
 /**@brief Function for initializing the scanning and setting the filters.
  */
-static char  m_target_periph_name[20] = "M1002";     /**< Name of the device we try to connect to. This name is searched in the scan report data*/
+static char  m_target_periph_name0[20] = "M1002";     /**< Name of the device we try to connect to. This name is searched in the scan report data*/
+static char  m_target_periph_name1[20] = "M1001";     /**< Name of the device we try to connect to. This name is searched in the scan report data*/
+static char  m_target_periph_name2[20] = "iflytop";     /**< Name of the device we try to connect to. This name is searched in the scan report data*/
 static void scan_init(void)
 {
     ret_code_t          err_code;
@@ -190,16 +192,17 @@ static void scan_init(void)
     APP_ERROR_CHECK(err_code);
 
     
-    err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_UUID_FILTER, &m_nus_uuid);
-    APP_ERROR_CHECK(err_code);
+    // err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_UUID_FILTER, &m_nus_uuid);
+    // APP_ERROR_CHECK(err_code);
 
-    err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name);
-    APP_ERROR_CHECK(err_code);
+    APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name0));
+    APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name1));
+    APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name2));
 
     // err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false);
     // APP_ERROR_CHECK(err_code);
 
-    err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_UUID_FILTER|NRF_BLE_SCAN_NAME_FILTER, false);
+    err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false);
     APP_ERROR_CHECK(err_code);
 
 }