Based on your request, I shall propose a design, with Arduino code. The project can include a number of sensors, actuator, visualization etc. Each code line will have a comment describing it's purpose and what is it doing in the design.
Price and delivery time will vary from project to project.
Stepper motors: Bluetooth module and Nexition Displays.
Circuit Simulations :Tinker CAD, Proteus or any other software/website.
PCB design : Altium, EasyEDA, Eagle etc
Microcontrollers: Arduino, Arduino MKR, AVR, ATMEGA, ESP artitecture like ESP8266, ESP32 or other variants like AI ESP32 cam, WEMOS etc
Circuit Schematics : KiCAD, Proteus, Fritzing, Eagle etc
Some of the projects are:
- Home Automation
- Multiple Stepper Motor interfacing
- Servo Motor Controlling
- Bluetooth Interfacing
- Internet Interfacing using ESP8266, ESP32 or NodeMCU or Arduino MKR series
- Distance radar using Ultrasonic sensor and Processing
- Quadcopter using Tm4c123gh6pm, STM, Arduino and ESP boards.
- MPU6050/GSM gyro interfacing
- Nextion Touchscreen Interfacing
- Attendance system using Fingerprint Sensor.
- FSM and timer based projects, like the FSM based project shown in video as a safety switch
and Many More in my years of embedded carrier.