Orbitool O2S Toolboard

• Optimized for Orbiter v2 & v2.5 shape and features
• STM32F072 microcontroller, ADXL345 accelerometer
• TMC2240 stepper driver
• Support of 4, 3 and 2-wire part fan 12/24V,
• DC-DC hot-end fan driver, 12/24V fan types with RPM
• Hot-end temperature sensor, standard NTC or PT1000
• I2C input for bed level sensing and scanning
• X-Stop sensor input
• RGB LED driver output
• Advanced electrical and thermal protection system
• Protected USB communication to RPI
• Onboard USB port for bed scanner, nozzle camera or intelligent USB sensor connection

Documentation:  Github