Added Builtin Voltage (#7850)

* Added Builtin Voltage

* Update builtin_voltage.py

* Update electronics/builtin_voltage.py

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

* Update electronics/builtin_voltage.py

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Apply suggestions from code review

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Create elf.py

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>