Automatic Smart Roller Blinds Mod

I bought these blinds very cheaply from amazon and automated them using Nema17 motors and ESPHome. Many cheap blinds come with exactly the same layout.You will need some experience with electronics to make this project work.ComponentsYou will need the following components:Roller BlindsNema 17 StepperESP32 Board as Controller (I used a tiny ESP32-C3)Stepper Driver (A4988 or TMC2209) - I recommend the TMC, as they are way more quiet7x M3 countersunk screw12V Power SupplyStep Down ConverterWiringThe stepper driver and ESP are connected like this:Stepper DriverConnected toDIR PinESP32 - GPIO5STEP PinESP32 - GPIO6SLEEP PinESP32 - GPIO21VINPower Supply +GNDPower Supply -Also hook up the Step Down Converter to supply 5V to your ESPs 5V PinAssemblyYou will need to take apart the pulley part of the blind and insert the half where the cord goes into the large gear.SoftwareYou can use ESPHome to programm your ESP.Take a look at my ESPHome Config as a reference and modify it to your liking. Good l