Earlier quoted context omitted.
Second that. Similar questions get posted pretty often in engineering subreddits and it's difficult to answer as robotics is so multi-disciplinary. Very few people in this world are skilled enough in embedded programming, PCB design (motor control and sensors), materials and structures, dynamics and kinematics, controls and machine design (CAD, selecting manufacturing processes, selecting various COTS mechanical part…
Good advice. Can you recommend the names of any off-the-shelf robotic arms or tools that can be modified or hacked? Any good standard starting points for controller software?
(Disclaimer: I haven't bought any of them, so can't say anything about the quality.)
UFactory Lite $3900 https://www.ufactory.cc/product-page/ufactory-lite-6-kit
Dorna 2 $4200 https://dorna.ai/product/dorna-2/
ReBeL cobot €5000 https://www.igus.si/product/20962?artNr=REBEL-6DOF-01
Interbotix https://www.trossenrobotics.com/robotic-arms/ros-research-ar...
DOBOT $2700 https://www.trossenrobotics.com/dobot-mg400-industrial-deskt...
Wlkata Mirobot $2000 https://www.wlkata.com/products/professional-kit-of-wlkata-m...