ESP32-Wall-Clock-schematics-03-V1.0.jpg

MecanicalDrawing

(Not Done Yet)

Code Used

(Not Done Yet) ESP32-Wall-Clock

PCB features

• ESP32 Microprocessor
• onboard, IO0 / Reset switches
• breakout for UART (Programming/Serial monitor), i2c, SPI, 1-wire
• 5V input via MicroUSB, USB Type-C, 2.1mm barrel, Screw Type Terminal
• OR 5.6V to 26V if using Switchmode Reg, OR 6.4V-30V if using AMS1117-5.0 (input via 2.1mm barrel or Screw Type Terminal)
• PCF8563T RTC Clock with CR2032 Coin Cell Battery
• CP2102 USB to Serial, with Auto Reset (optional)
• RTC clock
• ALS-PT19 Light Intensity Sensor, to adjust Screen Brightness
• AHT20 Temperature / Humidity Sensor
• 1-Wire provision (possibility to add a number of DS18B20 temperature sensors)
• Built in buzzer
• 1-wire rail (possibility to add a number of DS18B20 temperature sensors)
• 2 physical button, + 8 physical button via TM1638, using diode, so that multiple button can be pressed at the same time.
• Ability to add external buttons.
• 1 configurable status light. (IO 13)
• 2 X TM1638 LED Segment Display Driver (in Common Anode Mode) [ one driving 6 digit, one driving 10 digit ]
• 6 X 1.8" / 45mm Segment display for Time Display (Common Anode Mode)
• 0.56" / 14.22mm Segment display for Date/Month / Temperature/Humidity (Common Anode Mode)
• Micro SD Card Slot
• Reverse polarity protection on 12V input
• PTC Fuse
• Level Shifter for ESP32 - TM1638 Comms