Table 3.

Electronic components.

Components	Specifications
Arduino AtMega 2560	Input Voltage 7–12 V Analog Input Pins 16 DC Current per I/O Pin 40 mA DC Current for 3.3 V Pin 50 mA Clock speed 16 MHz EEPROM 4 KB SRAM 8 KB Flash memory 256 KB Analog inputs Pins 16 Digital Inputs 54
Myware EMG	Operating voltage 2.9 V–5.7 V Operating Current 9 mA–14 mA Output RAW and filtered signal
Force sensing resistors	Measuring range 0–2 kg Thickness <0.25 mm Precission ±2.5% Initial resistance >10 Mohm Voltage DC 3.3 V Response time 1 ms
Servo motor	Operating Voltage 4.8 V Operating current 50 mA Speed 0.12 at 4.8 V Torque 1.8 kg/cm Degree 180°
Step motor	Operating Voltage 5 V–12 V Operating current 2.5 A Speed 0.1 Torque 0.34 kg/cm
DRV8825 driver	Operating Voltage 8.2 V–45 V Operating current 2.5 A
Pushbutton Switch	12 mm button square