# Version Changes V2.00 * Complete re-write of the low layer system to use the STM32 HAL for easier development * This allowed easier setup for the new ADC auto measuring system * Better tip PWM control * Moved to FreeRTOS for scheduling * Complete re-write from blank * Added detailed screen views * Added smaller font for said screen views V1.17 * Added blinking cooldown display * Allowed smaller sleep timeout values * New font! * Automatic startup option V1.16 * Added automatic rotation support * Added power display graph V1.15 * Added support for a custom bootup logo to be programmed via the DFU bootloader. V1.14 * Changed input voltage cutoff to be based on cell count rather than voltage. V1.13 * Swapped buttons for menu to prevent accidentally changing first menu item * Added auto key repeat. V1.12 * Increases sensitivity options to be 1*9 with 0 off state * Fixes issue where going from COOL *> soldering can leave screen off. V1.11 * Boost mode * Change sensitivity options to be 1*8 V1.10 * Adds help text to settings * Improves settings for the display update rate V1.09 * Adds display modes, for slowing down or simplifying the display V1.08 * Fix settings menu not showing flip display V1.07 * Adds shutdown time to automatically shutdown the iron after inactivity V1.06 * Changes H and C when the iron is heating to the minidso chevron like images V1.05 * Adds ability to calibrate the input voltage measurement V1.04 * Increased accuracy of the temperature control * Improved PID response slightly * Allows temperature offset calibration * Nicer idle screen V1.03 * Improved Button handling * Ability to set motion sensitivity * DC voltmeter page shows input voltage V1.02 * Adds hold both buttons on IDLE to access the therometer mode. * Changes the exit soldering mode to be holding both buttons (Like original firmware).