diff --git a/platformio.ini b/platformio.ini
index df144b8..4125eb7 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -185,3 +185,14 @@ build_flags =
 	${env.build_flags}
 upload_port = /dev/esp32
 upload_protocol = esptool
+
+[env:s3devkitm-generic]
+extends = sensors
+board = esp32-s3-devkitm-1
+lib_deps = 
+	${env.lib_deps}
+	${sensors.lib_deps}
+build_flags = 
+	${env.build_flags}
+upload_port = /dev/esp32
+upload_protocol = esptool
diff --git a/webinstall/build.yaml b/webinstall/build.yaml
index fe7ec90..ab2ca3c 100644
--- a/webinstall/build.yaml
+++ b/webinstall/build.yaml
@@ -239,6 +239,46 @@ types:
       - 37
       - 38
 
+  - &gpiopinvs3
+      - {label: unset,value:}
+      - {label: "0: boot mode control",value: 0}
+      - 1
+      - 2
+      - {label: "3: JTAG control", value: 3}
+      - 4
+      - 5
+      - 6
+      - 7
+      - 8
+      - 9
+      - 10
+      - 11
+      - 12
+      - 13
+      - 14
+      - 17
+      - 18
+      - 19
+      - 20
+      - 21
+      - 33
+      - 34
+      - 35
+      - 36
+      - 37
+      - 38
+      - 39
+      - 40
+      - 41
+      - 42
+      - 43
+      - 44
+      - {label: "45: strapping pin", value: 45}
+      - {label: "46: strapping pin", value: 46}
+      - 47
+      - 48
+
+
   - &gpioinput
     type: dropdown
     resource: "gpio:"
@@ -760,3 +800,34 @@ config:
               base:
                 busname: "2"
                 bus: "2"
+
+        - value: s3devkitm-generic
+          label: s3devkitm
+          description: "esp32 s3 generic, 8MB flash, no PSRAM "
+          url: "https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/hw-reference/esp32s3/user-guide-devkitm-1.html"
+          resource: *esp32default
+          base:
+            gpiopinv: *gpiopinvs3
+            gpioinputv: *gpiopinvs3
+          children:
+            - *serial1
+            - *serial2
+            - *can
+            - *resetButton
+            - *led
+            - <<: *iicsensors
+              base:
+                busname: "1"
+                bus: ""
+            - <<: *iicsensors
+              base:
+                busname: "2"
+                bus: "2"
+            - <<: *spisensors
+              base:
+                busname: "1"
+                bus: "1"
+            - <<: *spisensors
+              base:
+                busname: "2"
+                bus: "2"
\ No newline at end of file