Hardware and software for the first version were made quickly because the focus was on 3d printing gears. When the gears and transmission proved to be very good, I decided to make a better software for ESP that will add more controls and features. Here is demo video of v1.
| V1 | V2 |
|---|---|
| Single-core (Esp8266) | Dual-core (ESP32) |
| - | Current blinds level preview |
| Move full up / full down | Put blinds in the desired position |
| - | Stop at any position |
It uses both ESP32 cores to control the stepper motor in real time over the internet. One core runs Blynk while another runs the stepper motor.
In the src/settings.h you can adjust everything you need for the project. Be careful about STEPPER_MAX_SPEED and BLYNK_REFRESH_INTRERVAL. Don't put high speed and too high refresh rate in the application.
In the src/secrets.h put your WiFi credentials and Blynk template-specific data.
In your Blynk application set virtual pins as follows:
| Pin | Usage |
|---|---|
| V2 | Virtual pin for UP button |
| V3 | Virtual pin for DOWN button |
| V4 | Virtual pin for STOP button |
| V5 | Vurtual pin for percenatge gauge |
| V6 | Virtual pin for slider (wanted percentage) |
- 3D printed parts
- Nema 17 stepper motor
- A4988 stepper motor driver
- ESP32 NodeMCU
- 624zz ball bearings
- M4 bolts as well as nuts and threaded rod
- M3 bolts
- Grease
- Dodati sync na pocetku programa i ocitanje iz EEPROM-a
- Dodati senzor napajanja i ako nema napajanja spremiti trenutnu poziciju u EEPROM
- Nacrtati i dodati shemu + custom PCB?
- Sleep (disable stepper driver) kad je esp aktivan a roleta miruje. (vecinu vremena je tu pa treba da se ne grije i da se ne trosi puno struje)