📃 Updates documentation with a guide

docs/1_components.md

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+# Components
+
+Spot is comprised of a 3D printed body, some hardware and list of electronic components.
+
+## Body
+
+Spot is 3D printed and is a combination of different Spot Micro designs, with some minor modification on top.
+The original design is developed by KDY0523.
+
+* [robjk reinforced shoulder remix](https://www.thingiverse.com/thing:4937631)
+* [Kooba SpotMicroESP32 remix](https://www.thingiverse.com/thing:4559827)
+* [KDY0532 original design](https://www.thingiverse.com/thing:3445283)
+
+The 3D prints is assembled with some additional component:
+
+* 84x M2x8 screws + M2 nuts
+* 92x M3x8 screws + M3 nuts
+* 64x M3x20 screws + M3 nuts
+* 12x 625ZZ ball bearings
+
+## Electronics
+
+These are the electronics i used for mine and can easily be switched up to suit your Spot's needs.
+
+* ESP32 cam - Brain
+* OV2640 160° - Camera
+* PCA9685 - Servo board
+* 12x 20kg(or higher) servo motors
+* MPU6050 - Inertial measurement unit
+* GY-271 - Magnetometer
+* SZBK07 - 20A DC-DC Buck Converter
+* LM2596 or XL4015 - DC-DC Stepdown Module
+* 2x HC-SR04 - Ultrasonic Distance Sensor
+* 0.96" SD1306 - OLED diplay
+* ACS712 - Current sensor
+* ADS1115 - 16 bit analog to digital converter
+* Power button w/ led
+* 4x 18650 Li-ion battery in 2P2S configuration
+* Couple of resistors (10K, 47.7k, 33K)
+* 4x Servo extension cables