Difference: RaspiElfDisplay (11 vs. 12)

Revision 122018-06-16 - PeterSchmid

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Hardware

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<		TIL311 hexadecimal displays were to expensive for me 35 years ago and now they are not easy to get (and still expensive). The 4×7 rounded font looks far better than the seven-segment display especially the lower case hex display letters. But there is an alternative: LTP-305 from LITEON. They have no integrated driver, but the matrix LED driver IC IS31FL3730 can drive two of them. And better there is a PCB HAT with 6 LTP-305 and 3 IS31FL3730 on it from Pimoroni ready for the Raspberry Pi. Four digits for the address and two digits for data!
>
>		TIL311 hexadecimal displays were to expensive for me 35 years ago and now they are not easy to get (and still expensive). The 4×7 rounded font looks far better than the seven-segment display especially the lower case hex display letters. But there is an alternative: LTP-305 from LITEON. They have no integrated driver, but the matrix LED driver IC IS31FL3730 can drive two of them. And better there is a PCB HAT with 6 LTP-305 and 3 IS31FL3730 on it from Pimoroni ready for the Raspberry Pi. Four digits for the address and two digits for data!
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til311.jpg
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TIL311 Hexadecimal Display
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LED module.jpg
Enlarge
LTP-305 Dot Matrix Display
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