Robot arm with knobs
I want to build a 4-servo robot arm on an Arduino Uno with four SG90 servos controlled by four potentiometers.
Parts
Arduino Uno R3 CH340G ATmega328P Board In stock
SG90 9g Micro Servo Motor × 4 In stock
10k Ohm Linear Taper Potentiometer × 4 In stock
Male-to-Male Breadboard Jumper Wires (20 cm, 24 AWG) In stock
USB Type A to B Cable (1m) In stock
PCA9685 16-Channel 12-Bit PWM Servo Driver Module In stock
9V 1A Power Supply Adapter In stock
5V 5A Fixed Buck Converter Module In stock
Pins, wiring and code
The pin table, the wiring steps and the code for this build are in Soldr. Start this build on Soldr - you can change it before you buy.