What instruments did Johann Sebastian bach use?

Johann Sebastian Bach primarily composed for keyboard instruments, such as the harpsichord and organ, showcasing his mastery in works like the "Well-Tempered Clavier" and various organ preludes and fugues. He also wrote extensively for string instruments, including the violin and cello, as seen in his Brandenburg Concertos and the "Six Cello Suites." Additionally, he composed for wind instruments and ensembles, incorporating flutes, oboes, and bassoons in many of his orchestral and chamber works. Overall, Bach's compositions encompass a wide range of instruments, highlighting his versatility as a composer.