diff --git a/platformio_override.sample.ini b/platformio_override.sample.ini
index 16e73be007..d58607cffc 100644
--- a/platformio_override.sample.ini
+++ b/platformio_override.sample.ini
@@ -33,7 +33,12 @@ build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} ${esp8266.build_flags}
 ;
 ; *** To use the below defines/overrides, copy and paste each onto its own line just below build_flags in the section above.
-; 
+; *** Note: on adding custom usermods
+;     custom_usermods entries are a separate key in the env section (not inside build_flags). Place them on their own line in the env.
+;     Multiple usermods are separated by a space, the names can be found in the library.json file of the usermod.
+;     Example: use the default usermods from the esp32dev env and add the Temperature and four_line_display_ALT usermods
+;     custom_usermods = ${env:esp32dev.custom_usermods} Temperature four_line_display_ALT
+;
 ; Set a release name that may be used to distinguish required binary for flashing
 ;   -D WLED_RELEASE_NAME=\"ESP32_MULTI_USREMODS\"
 ;
@@ -98,17 +103,17 @@ build_flags = ${common.build_flags} ${esp8266.build_flags}
 ;   -D WLED_DEBUG_PORT=7868
 ;
 ; Use Autosave usermod and set it to do save after 90s
-;   -D USERMOD_AUTO_SAVE
+;   custom_usermods = ${env:esp32dev.custom_usermods} auto_save
 ;   -D AUTOSAVE_AFTER_SEC=90
 ;
 ; Use AHT10/AHT15/AHT20 usermod
-;   -D USERMOD_AHT10
+;   custom_usermods = ${env:esp32dev.custom_usermods} AHT10_v2
 ;
 ; Use INA226 usermod
-;   -D USERMOD_INA226
+;   custom_usermods = ${env:esp32dev.custom_usermods} INA226_v2
 ;
 ; Use 4 Line Display usermod with SPI display
-;   -D USERMOD_FOUR_LINE_DISPLAY
+;   custom_usermods = ${env:esp32dev.custom_usermods} four_line_display_ALT
 ;   -DFLD_SPI_DEFAULT
 ;   -D FLD_TYPE=SSD1306_SPI64
 ;   -D FLD_PIN_CLOCKSPI=14
@@ -118,22 +123,22 @@ build_flags = ${common.build_flags} ${esp8266.build_flags}
 ;   -D FLD_PIN_RESET=27
 ;
 ; Use Rotary encoder usermod (in conjunction with 4LD)
-;   -D USERMOD_ROTARY_ENCODER_UI
+;   custom_usermods = ${env:esp32dev.custom_usermods} rotary_encoder_ui_ALT
 ;   -D ENCODER_DT_PIN=5
 ;   -D ENCODER_CLK_PIN=18
 ;   -D ENCODER_SW_PIN=19
 ;
 ; Use Dallas DS18B20 temperature sensor usermod and configure it to use GPIO13
-;   -D USERMOD_DALLASTEMPERATURE
+;   custom_usermods = ${env:esp32dev.custom_usermods} Temperature
 ;   -D TEMPERATURE_PIN=13
 ;
 ; Use Multi Relay usermod and configure it to use 6 relays and appropriate GPIO
-;   -D USERMOD_MULTI_RELAY
+;   custom_usermods = ${env:esp32dev.custom_usermods} multi_relay
 ;   -D MULTI_RELAY_MAX_RELAYS=6
 ;   -D MULTI_RELAY_PINS=12,23,22,21,24,25
 ;
 ; Use PIR sensor usermod and configure it to use GPIO4 and timer of 60s
-;   -D USERMOD_PIRSWITCH
+;   custom_usermods = ${env:esp32dev.custom_usermods} PIR_sensor_switch
 ;   -D PIR_SENSOR_PIN=4   # use -1 to disable usermod
 ;   -D PIR_SENSOR_OFF_SEC=60
 ;   -D PIR_SENSOR_MAX_SENSORS=2 # max allowable sensors (uses OR logic for triggering)
@@ -146,12 +151,12 @@ build_flags = ${common.build_flags} ${esp8266.build_flags}
 ;   -D I2S_CKPIN=19
 ;
 ; Use PWM fan usermod
-;   -D USERMOD_PWM_FAN
+;   custom_usermods = ${env:esp32dev.custom_usermods} PWM_fan
 ;   -D TACHO_PIN=33
 ;   -D PWM_PIN=32
 ;
 ;  Use POV Display usermod
-;   -D USERMOD_POV_DISPLAY
+;   custom_usermods = ${env:esp32dev.custom_usermods} pov_display
 ; Use built-in or custom LED as a status indicator (assumes LED is connected to GPIO16)
 ;   -D STATUSLED=16
 ;
@@ -375,6 +380,7 @@ board_upload.maximum_size = 2097152
 extends = esp32              ;; use default esp32 platform
 board = esp32dev
 upload_speed = 460800
+custom_usermods = ${env:esp32dev.custom_usermods} Temperature four_line_display_ALT
 build_flags = ${common.build_flags} ${esp32.build_flags}
   -D WLED_RELEASE_NAME=\"ESP32_wemos_shield\"
   -D DATA_PINS=16
@@ -382,12 +388,8 @@ build_flags = ${common.build_flags} ${esp32.build_flags}
   -D BTNPIN=17
   -D IRPIN=18
   -UWLED_USE_MY_CONFIG
-  -D USERMOD_DALLASTEMPERATURE
-  -D USERMOD_FOUR_LINE_DISPLAY
   -D TEMPERATURE_PIN=23
 lib_deps = ${esp32.lib_deps}
-  OneWire@~2.3.5          ;; needed for USERMOD_DALLASTEMPERATURE
-  olikraus/U8g2 @ ^2.28.8 ;; needed for USERMOD_FOUR_LINE_DISPLAY
 board_build.partitions = ${esp32.default_partitions}
 
 [env:esp32_pico-D4]
@@ -478,7 +480,8 @@ platform = ${esp8266.platform_wled_default}
 platform_packages = ${esp8266.platform_packages}
 board_build.ldscript = ${common.ldscript_1m128k}
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags} ${esp8266.build_flags} -D WLED_DISABLE_OTA -D USERMOD_MY9291
+custom_usermods = ${env:esp01_1m_full.custom_usermods} MY9291
+build_flags = ${common.build_flags} ${esp8266.build_flags} -D WLED_DISABLE_OTA
 lib_deps = ${esp8266.lib_deps}
 
 # ------------------------------------------------------------------------------
diff --git a/usermods/EleksTube_IPS/library.json.disabled b/usermods/EleksTube_IPS/library.json.disabled
index d143638e47..53aec05989 100644
--- a/usermods/EleksTube_IPS/library.json.disabled
+++ b/usermods/EleksTube_IPS/library.json.disabled
@@ -1,5 +1,5 @@
 {
-  "name:": "EleksTube_IPS",
+  "name": "EleksTube_IPS",
   "build": { "libArchive": false },
   "dependencies": {
     "TFT_eSPI" : "2.5.33"
diff --git a/usermods/ST7789_display/library.json.disabled b/usermods/ST7789_display/library.json.disabled
index 725e20a65a..ac47d245ed 100644
--- a/usermods/ST7789_display/library.json.disabled
+++ b/usermods/ST7789_display/library.json.disabled
@@ -1,4 +1,4 @@
 {
-  "name:": "ST7789_display",
+  "name": "ST7789_display",
   "build": { "libArchive": false }
 }
\ No newline at end of file
diff --git a/usermods/pov_display/library.json b/usermods/pov_display/library.json
index 461b1e2d48..cd0272554c 100644
--- a/usermods/pov_display/library.json
+++ b/usermods/pov_display/library.json
@@ -1,5 +1,5 @@
 {
-  "name:": "pov_display",
+  "name": "pov_display",
   "build": { "libArchive": false},
   "platforms": ["espressif32"]
 }