Quantity   Component name
1 × Robot Hand Firmware (ESP32) https://github.com/nickrallison/robot_hand_firmware/tree/master
1 × Robot Hand Firmware (Laptop) https://github.com/nickrallison/robot_hand_ws
1 × Robot Nano Hand 3D Prints 3D prints from the open source Robot Nano Hand project (https://robotnanohand.com/), found here: https://www.thingiverse.com/thing:3648120
10 × SER0006 Micro Servos https://www.digikey.ca/en/products/detail/dfrobot/SER0006/7597224
1 × 80 lb Fishing Line Any 80lb fishing line from a sporting goods store will work
24 × 2mm Steel Dowel (10 mm long) McMaster Carr sells pre-cut 2mm steel dowel
24 × 2mm Steel Dowel (16-18 mm long)
24 × 2mm Steel Dowel (20 mm long)
24 × 2mm Steel Dowl (24 mm long)
1 × PTFE Tubing (2mm OD, 1mm ID) At least 30 cm is required. Can be purchased at McMaster Carr, Amazon, etc.
1 × PCA9685 Servo Driver 16 Channel Servo Driver (https://www.adafruit.com/product/815). Can also be purchased on Amazon
1 × ESP32
1 × 3421 Adafruit I2S Microphone Breakout Board https://www.digikey.ca/en/products/detail/adafruit-industries-llc/3421/6691114
1 × Sandpaper (100-150 grit) For sanding 3D printed components
1 × Pliers, screwdrivers, scissors Miscellaneous hand tools for assembly
1 × Drill with 2mm drill bit For drilling out holes in 3D printed components
1 × 15 mm Diameter Rubber Bands (.125 x .87 inches) Available at Amazon. At least 30-40 elastics will be necessary to have extra. Amazon sells by the pound (which is excessive).
1 × Bench Power Supply or Power Management PCB Power supply capable of supplying 5 V at a maximum of 3 A. Can use a bench supply or make a custom power PCB
1 × Printed PCB (for building optional Power Management PCB) See Files section for PCB source files. Order through JLCPCB or similar.
1 × PJ-014DH-SMT-TR Barrel Jack (for optional PCB) Available at Digikey (https://www.digikey.ca/en/products/detail/cui-devices/PJ-014DH-SMT-TR/408462?s=N4IgTCBcDaIAoCkC0AGAjAFgCIAkkGUBZAFSWICUQBdAXyA). Probably order extras.
1 × AP1501-5.0 Buck Converter (for optional PCB) Available at Digikey (https://www.digikey.ca/en/products/detail/umw/AP1501-5-0/17635250?s=N4IgTCBcDaIIYAcCMBWADEgtCgdGkAugL5A). Probably order extra.
1 × 38 µH PE-54040NL Inductor (for optional PCB) Available at Digikey (https://www.digikey.ca/en/products/detail/pulse-electronics/PE-54040NL/2266042?s=N4IgTCBcDaIAoFEC0BWALABkwOQDIAIQBdAXyA). Probably order extra.
1 × RR9LE3000T00NAIMR6B 12V 36W Wall Adapter (for optional PCB) Available at Digikey (https://www.digikey.ca/en/products/detail/globtek-inc/RR9LE3000T00NAIMR6B/8597973)
2 × 1x2 Female Header Pins (for optional PCB) Available at Digikey (https://www.digikey.ca/en/products/detail/sullins-connector-solutions/PPPC021LFBN-RC/810174). Probably order extra. Can substitute male header pins instead, just have to use female jumper wires to connect to the PCB.
1 × 330 µF Capacitor (for optional PCB) Available at Digikey (https://www.digikey.ca/en/products/detail/rubycon/35ZLH330MEFC10X12-5/3563615). Probably order extra.
1 × 680 µF Capacitor (for optional PCB) Available at Digikey (https://www.digikey.ca/en/products/detail/rubycon/35ZLH680MEFC10X23/3563861). Probably order extra.
1 × Schottky Diode (for optional PCB) Anything with a rating of 10V and 5A or higher with a recovery time of 50ns or less will work.