Document verified SR505/mini PIR wiring on GPIO22 at 3.3V.

README/meta/pins note small module + 3.3V works; refresh firmware package.

Co-authored-by: Cursor <cursoragent@cursor.com>

firmware/README.md

@@ -3,7 +3,7 @@
 目录：[`cyd/`](cyd/)
 
 板子：**CYD ESP32-2432S028R**（ILI9341）  
-功能：人体红外 PIR（GPIO22）计数 + SoftSPI 触控 + LVGL（同 tftest / btntest）
+功能：小型人体红外 SR505/mini SR501（GPIO22、3.3V）计数 + SoftSPI 触控 + LVGL
 
 ## 刷写
 

firmware/cyd/VERSION.txt

@@ -1,8 +1,8 @@
 name: CYD Human IR / PIR (cyd)
-git: a7854de
+git: 6226f0d
 date: 2026-10-23
 board: ESP32-2432S028R (ILI9341)
-features: SoftSPI touch, LVGL, PIR OUT on GPIO22 motion count+1
+features: SoftSPI touch, LVGL, SR505/mini PIR OUT GPIO22 @3.3V motion count+1
 flash_size: 4MB
 offsets:
   0x1000  bootloader.bin
@@ -12,5 +12,5 @@ offsets:
 sha256:
   bootloader.bin  3D234A7471F67B013686DABD4DEE7C1FA915C9928463616A94BC9297ACF1ABF8
   boot_app0.bin   F94C5D786A7A8FAB06AC5D10E33BF37711A6697636DC037559EA19CC410A17F0
-  firmware.bin    CA8FBB88050BC2284EFDDBF3ECC711A6539D4F3829994017812A30C0E2E6B057
+  firmware.bin    A870E56D4391E361A9FF6F73AA522D6ED2826937AE2565B50A9F5AA9D36D37CA
   partitions.bin  148B959CBFF1C38AA8E1D5C0BA9D612C54997B945E56A63F41223EEF650653A1

firmware/cyd/meta.json

@@ -1,7 +1,7 @@
 {
   "boardId": "esp32-2432s028",
   "name": "CYD Human IR",
-  "summary": "PIR human infrared module on GPIO22: each motion start increments count",
-  "description": "SoftSPI touch + LVGL. VCC/GND/OUT->GPIO22. Auto polarity. Motion edge +1, hold bar, touch Reset clears.",
-  "tags": ["pir", "human-infrared", "gpio22", "touch", "lvgl", "counter"]
+  "summary": "Small PIR (SR505/mini SR501) on GPIO22 @ 3.3V: motion-start count +1",
+  "description": "SoftSPI touch + LVGL. VCC 3.3V / GND / OUT->GPIO22. Float INPUT, idle LOW active HIGH. Motion edge +1, hold bar, Reset clears.",
+  "tags": ["pir", "sr505", "human-infrared", "gpio22", "3.3v", "touch", "lvgl", "counter"]
 }

firmware/export_from_build.ps1

@@ -41,7 +41,7 @@ $lines = @(
   "git: $git",
   "date: $date",
   "board: ESP32-2432S028R (ILI9341)",
-  "features: SoftSPI touch, LVGL, PIR OUT on GPIO22 motion count+1",
+  "features: SoftSPI touch, LVGL, SR505/mini PIR OUT GPIO22 @3.3V motion count+1",
   "flash_size: 4MB",
   "offsets:",
   "  0x1000  bootloader.bin",