Features

• Firmware available for modifications
• Unlike standard firmware, the screen does not blink during operation.
• It is possible to work with the screen turned off. (Hold MODE button)
• More fair temperature calculation
• Ability to mute beeper

How to build

linux

sudo apt install sdcc git make
git clone https://github.com/tarwirdur/open-fixdry-nt1.git
git clone https://github.com/bschwand/STM8-SPL-SDCC.git
cd open-fixdry-nt1 ; make

MCU replacement

To install this firmware, the standard microcontroller must be replaced with STM8S103F3 or STM8S003F3 (in TSSOP-20).
A soldering iron is recommended for this operation.

Flash

A programmer for stm8 is required. For example stlink v2.

TODO