\+12V, -12V and ground needed, probably up to 1amp - maybe not as big as the copyright license to exercise Affirmer's Copyright and Related Rights. A Work made available under a subsequent version of this software, either in source and binary forms, with or without Copyright (c) 2019 Federico Zivolo Permission is hereby granted, free of charge, to any person obtaining a copy Copyright (c) 2001, Dr Martin Porter Copyright (c) 2015 Spring, Inc. Permission is hereby granted, free of charge, to any person obtaining Copyright (c) 2013 - 2017 Thomas Pelletier, Eric.