v1.6.1

PCB Version 1.6.1

• Add some optional component footprints for audio PoC

v1.6.0

PCB Version 1.6.0

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

v1.5.0

PCB Version 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

v1.4.0

PCB Version 1.4.0

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

v1.3.0

PCB Version 1.3.0

• Initial release (manufacturing)
• Replace Traco Power components with smaller and cheaper components
• Use one long screw terminal instead of pin headers
• Add Relay
• Add bridge rectifier
• Add capacitor to prevent brownouts while sending data

v1.0.0

PCB Version 1.0.0 to 1.2.0

• First basic design using Traco Power and more THT components