====== Optrex IM50240 Display ======
Hitachi HD44100H Chipset

{{:projects:electronics:hd44100r_datasheet.pdf|}}

^Pin^Function^Notes^
|1|DL1||
|2|CL1||
|3|CL2||
|4|M|500KHz @ 50% duty cycle|
|5|n/c||
|6|VCC||
|7|IC GND & VEE||
|8|"Clear" Button||
|9|"Secure" Button||
|10|Ground||