2 layers51 × 43 mm

Egg timer
MakersFunDuck/Common-Kitchen-Timer-With-LCD-Replacement-Board
A replacement PCB board for common 4 digit 7 segment LCD kitchen timers.
25 parts13GPL-3.0
Boards in 2 GitHub repositories, designed in KiCad, that use the TM1621D by TM (-25℃~+75℃ 0.1uA 1/3,1/2 1/4,1/3,1/2 14 segments 14x4 bit 2.4V~5.2V 256kHz 3-Wire Serial Interface 60uA SOIC-24-300mil LCD Drivers ROHS). See how each wires it, with its parts, size, README and files; the TM1621D’s symbol, footprint and pinout are on its own page.

MakersFunDuck/Common-Kitchen-Timer-With-LCD-Replacement-Board
A replacement PCB board for common 4 digit 7 segment LCD kitchen timers.

sigma-prj/stm32-titan-lcd-driver-tm1621d-sample
Sample STM32 F030R8 NUCLEO board application to drive 7-Segments LCD using Titan TM1621D driver