Page 1 of 2 · 10 of 16 publications

JUN 01 2026

start

@@ -14,13 +14,15 @@
    * [[ZD-939 Hot Air Station]]
    * [[Philips RGBIC Floor Lamp WLED Mod]]
    * [[Lidl - 3x Switch, with 4 USB - Silvercrest]]
    * [[Pico Grow Lights – Smart Indoor Plant Setup]]
+   * [[PIR Motion Sensor (MR-HW08KT) - Kitchen]]
+   * [[IKEA UPPÅTVIND ESP Smart Mod]]
  
  ===== WIP side Projects =====
  
    * [[Raspberry Pi 3 Media Center - LibreELEC, Moonlight]]
-   * [[IKEA UPPÅTVIND ESP Smart Mod]]
+ 
  
    
  ---
  

JUN 01 2026

ikea_uppatvind_esp_smart_mod

@@ -70,28 +70,28 @@
  ^ Test Point ^ Function ^
  | TP2 | GND |
  | TP3 | 5V |
  | TP4 | Button Input |
- | TP7 | LED / PWM Sense |
+ | PWM | FAN PWM Sense |
  | TP6 | Optional LED Signal |
  
  
  ===== GPIO Mapping =====
  i added a Transistor
- 
+ <code>
  BC547C
  ┌─────┐
  │     │
  └─────┘
   | | |
  
   C B E
- 
+ </code>
  ^ UPPÅTVIND ^ ESP32-C3 ^ Function ^
  | TP2 | GND | Ground |
  | TP3 | 5V | Power |
  | TP4 | GPIO10 | Button Simulation |
- | TP7 | GPIO4 | PWM / LED Detection |
+ |…

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JUN 01 2026

pir_motion_sensor_mr-hw08kt_-_kitchen

@@ -1,5 +1,29 @@
  ====== PIR Motion Sensor (MR-HW08KT) ======
+ ===== WARNING =====
+ 
+ 
+ 
+ ** ⚠ DANGER – MAINS VOLTAGE (85–265 V AC) ⚠ **
+ 
+ This device operates directly on mains voltage.
+ 
+   * Risk of electric shock
+   * Risk of serious injury or death
+   * Risk of fire if wired incorrectly
+ 
+ Only connect the sensor when power is disconnected.
+ 
+ Always use:
+ 
+   * Proper insulation
+   * Enclosure / housing
+   * Strain relief
+   * Protective Earth (PE) where required
+…

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MAY 22 2026

raspberry_pi_3_media_center_-_libreelec_moonlight

@@ -170,11 +170,21 @@
  </code>
  
  Reinstall OS:
  <code>
- xzcat 2026-04-21-raspios-trixie-arm64.img.xz | sudo dd of=/dev/rdisk4 bs=4m status=progress
+ ❯ xzcat 2026-04-21-raspios-trixie-arm64.img.xz | sudo dd of=/dev/rdisk4 bs=4m status=progress
  Password:
    6501171200 bytes (6501 MB, 6200 MiB) transferred 201.184s, 32 MB/s
  0+158460 records in
  1550+0 records out
  6501171200 bytes transferred in 201.193332 secs (32313055 bytes/sec)
+ ❯ sync
+ ❯ diskutil eject /dev/disk4
+ </code>
+…

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MAY 18 2026

pico_grow_lights_smart_indoor_plant_setup

@@ -2,8 +2,10 @@
  
  ===== Overview =====
  
  This setup uses two Pico Grow Lights combined with Home Assistant and a Zigbee smart plug for automated lighting control of decorative indoor plants.
+   * [[https://vimeo.com/718348358?fl=pl&fe=vl|Video Pico]]
+   * [[https://communitydata.uuki.live/files/23449/15771/zyHcQTmJsjbT2K12rh7PCCpHzrq6hUww.pdf| Pico Manual]]
  
  ===== Goals =====
  
    * Compact decorative indoor plant setup