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Time Circuits Display Control Board with Keypad, Speaker & TRW Style Lenses

From: $54.99

NodeMCU-32s - ESP32 ESP-WROOM-32 Development Board

 

TRW Style 3d Printed Keypad for Time Circuits Display

Available on backorder

SKU: tcd-control Category: Tags: ,

Description

This control board allows an ESP32 dev module (not included) to control our Time Circuits Displays, or any other displays that use I2C, via the included keypad that is very similar to the one used in the Back To the Future Time Machine Delorean. Included are TRW style lenses, LEDs for them, and Enter button.  Components may change depending on availability.

Note: These are currently built to order and require an additional 2-4 business days to ship. 

Included:

  • Control board PCB
  • Number keypad
  • 4x Small screws for keypad
  • Keypad wire
  • Square LED lenses (2x white, 1x red/amber/green)
  • RTC battery
  • Small 4ohm speaker

Features:

  • Measurements: 4.53″ x 4.12″ (115.18 x 104.62mm)
  • Real Time Clock
  • Ability to get time from NTP (via ESP32 wifi)
  • Class D Mono Audio Amplifier – 4ohm
  • Manual volume control
  • Space for SD card
  • 2 additional GPIO outputs (13 & 14)
  • 1 SPI output
  • ESD filtering to prevent interference
  • Can be powered by ESP32 micro USB port
  • On board power supply which can take input from 6-20V DC (can be hooked up directly to a car battery)

Documentation: 

ESP32 Pins:

  • I2C:
    • SCL – 22
    • SDA – 21
  • SD Card (SPI):
    • CS – 5
    • MOSI – 23
    • MISO – 19
    • SCK – 19
  • Real Time Clock DS3231M (I2C addr: 0x68):
    • SQW – 15 (used to blink LEDs every second)
  • Keypad PCF8574T (I2C addr: 0x20):
    • INT – 4 (can be used as an interrupt, but is not currently)
  • Mono sound output I2S / MAX98357
    • DIN – 33
    • BCLK – 26
    • LRCLK – 25
  • Other:
    • Keypad White LED – 17
    • Keypad Enter Button – 16
    • Volume – 32

Additional information

Weight 2.5 oz
Dimensions 5 × 5 × 1 in

NodeMCU-32s - ESP32 ESP-WROOM-32 Development Board

Weight 1 oz
Dimensions 2 × 2 × .5 in

TRW Style 3d Printed Keypad for Time Circuits Display

Weight 2 oz
Dimensions 4 × 3 × 3 in

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