TSAL rev3 (#79) * Created a copy of TSAL rev 2 to make minor changes * Changed the size of the pads, moved the resitor names to the right side of the board, and moved the traces so that the silk screen is visible * Finished making the revisions for rev 3 of the TSAL * Copied Rev2 schematic to connect to the rev3 board * Made the board and schematic consistent * Altered the silk screen so that it said rev 3 instead of rev 2 * added the new na555 timer schematic * Added the gate resistor and made the text on the symbols layer * Added a description to the schematic * Changed a zener diode to a tvs diode and got rid of the LED silkscreen * Changes in board review This reverts commit d30a44cf333b6e75a81830c5357fabca05badc4e. * Simplified switches, More cooling Replaced MAX4622 with ADG1423 Moved logos and resistors on the right upwards Expanded thermal copper for LEDs * Final changes * Done Co-authored-by: ckaminsky7 <71229964+ckaminsky7@users.noreply.github.com> Co-authored-by: SoapIsClean