Jon-
1Print out components
Print the base and screen bracket, and one of the covers (with or without IR LED holes).
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2Reverse IR LEDs
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The IR LEDs on most of the sensors are pointed along the plane of the PCB. Remove the LEDs (paying attention to polarity as it's not normally marked on the PCB) and reinstall them on the back perpendicular to the PCB. The sensitivity dial should be on the opposite side of the LEDs now. -
3Insert Heat Nuts
Use a soldering iron or heat set tool to install the 7 3x3 heat set inserts into the screen bracket and base.
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4Install components
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Install Wemos D1, screen, and IR sensor or terminal block. Connect:
Screen- GND
- VCC
- SCL
- SDA
IR Sensor
- GND
- VCC
- GPIO 13
External Sensor
- GND
- GPIO 12
WS2812B LED Strip
- GND
- VCC
- GPIO 2
Dog Food v2
A Wi-Fi connected reminder light that can send a notification to your phone when you forget to feed the dog.
The IR LEDs on most of the sensors are pointed along the plane of the PCB. Remove the LEDs (paying attention to polarity as it's not normally marked on the PCB) and reinstall them on the back perpendicular to the PCB. The sensitivity dial should be on the opposite side of the LEDs now.
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