Otto DIY Biped Robot By Camilo Parra Palacio / Otto DIY · Example build · 9 views · 0 remixes A palm-sized walking robot: four micro servos, an Arduino Nano and an ultrasonic sensor for eyes 0SaveRemixCopy link Estimated parts cost 1 of 4 parts pricedDifficultyEasyBuild time1–2 hours plus printingParts4 parts · 7 pcs Start the assembly guide →