Electronic workbench play online

"Electronic workbench" contains lots of tools and references for your electronic projects, containing:
-\tBluetooth communication, for example with a HC-06 board
-\tcalculators for your electronic projects such as:
o\tResistor code (THT and SMD with auto detection of code type)
o\tOperational Amplifiers
o\tOhms Law
o\tFilters
o\t
-\tReferences, like for example Logic gates
-\tUseful tools, like a Vibration-tester or a simple unit-converter
-\tA memo part for writing down spontaneous ideas during your projects or other stuff

More tools are added from time to time. For suggestions, feel free to get in contact.