Core Board Changelog

This page highlights the new features, improvements, and changes made in each revision.

2.0.0 Next

• Removed footprints for optional audio components
• Redesigned TC:BUS communication circuit
• Added SIEDLE:IN-HOME-BUS communication circuit
• Replaced ESP32-S3-WROOM-1-N8R8 with ESP32-S3-MINI-1-N4R2
• Added a 2x7-pin extension board connector exposing selected GPIOs, GND, Bus lines, and power rails

1.6.1

• Added some optional component footprints for audio PoC

1.6.0 Current

• Replaced Terminal Pin 5 with 3.3V
• Replaced Terminal Pin 6 with GPIO40
• Replaced Terminal Pin 7 with GPIO41
• Removed BTN resistor from GPIO41 (use internal ESP resistor)
• Extended ground plane around power supply section
• Changed Voltage Divider to 1M + 147K (allow up to 28V Bus signals)
• Moved diode after the resistor of BUSPWR jumper
• Improved Schematics

1.5.0

• Power supply redesign based on the reference design
• New method to power the Doorman S3 via TC:BUS using a jumper cap
• Connected GPIO10 to the BUS line, thus it's not needed to change the firmware to work with the voltage anymore
• Removed copper around the wifi antenna to improve signal strength
• New ESPHome Logo

1.4.0

• Added a diode to prevent multiple power sources damage the circuit

1.3.0

Initial release

1.2.0

No changelog available / Development Board

1.1.0

No changelog available / Development Board

1.0.0

No changelog available / Development Board