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mia 413821ffe9 Initial commit
2025-09-18 21:29:58 +02:00
door-detector-arduino Initial commit 2025-09-18 21:29:58 +02:00
door-detector-receiver Initial commit 2025-09-18 21:29:58 +02:00
door-detector-sender Initial commit 2025-09-18 21:29:58 +02:00
readme.md Initial commit 2025-09-18 21:29:58 +02:00

readme.md

ESP Door detector

Hardware used

  • 2x ESP32-C3 Supermini
  • 1x Red LED
  • 1x White LED
  • 1x Generich Reed Sensor
  • Resistors:
    • 2x about 75Ω, I used the closest I had which was a 220Ω in series with a 100Ω Resistor (using a singe 100Ω Resistor each might also work, tho at lower brightness)

Software used

  • VScode with PlatformIO

Install / Usage

  • You can change the used pins at the top of each main.cpp, the defaults are
    • Receiver
      • LED 4
    • Transmitter/Sender
      • LED 0
      • Reed Sensor 4
  • Upload door-detector-sender to the ESP that will be installed a Door
  • Upload door-detector-receiver to the ESP that will be your indicator (for example besides your monitor)
  • Test if everything works correctly BEFORE soldering the components, I reccomend to use a Oszylloscope to check if the receiving ESP pulses at about 3Hz (300ms) on pin 4
  • If everything works correctly, you can then start by twisting together one 220Ω and one 100Ω Resistor
  • Now Solder one end of the Resistor-packs to the shorter leg of each LED, then solder the other end to the Ground pin (G) on the ESP
  • Continue by soldering the other Leg of each LED to the specified Pin above
  • At this State you should be able to plug both ESPs in and see each one shortly blinking at boot. After a few seconds, the Receiver's LED should start to blink at 3Hz. If not, check if each ESPnd for any shorts on the boards