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electronic:lcd:dect1535 [2026/09/01 09:10] – tonyelectronic:lcd:dect1535 [2026/09/26 05:51] (current) – tony
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 +{{ :electronic:lcd:p4124920a.jpg?200|DECT1535}}
 +^  LCD Description  ||
 +^Model|**DECT1535**|
 +^Manufacturer|Uniden|
 +^Recovered from|[[:electronic:equipment:phone:dect1535|Uniden DECT1535 phone]]|
 +^Board IDs|PE-2358BA|
 +^LCD type|positive|
 +^Polarizer type|transflective|
 +^Columns|16|
 +^Rows|3|
 +^Char matrix|5x7|
 +^Driver IC||
 +^Backlight| |
 +^Arduino driver||
 +^Connector|pins|
 +^Num Pins|10|
 +^Pin spacing|"|
 +
 +^  Connector pin-out  ||^  Arduino test rig |
 +^Pin#^Label^Description ^Pin|
 +^1|Vdd?|3.2V|
 +^2|Gnd|0V (battery -ve)|
 +^3| |25mS square wave 0V to -3.3V|
 +^4| |25mS square wave 2V to 5.5V|
 +^5|
 +| ||||
 +^6|Reset?|0V jumps to 3.2V after short delay on power-up|
 +^7|CLK|Clock (200khz) present when clocking data|
 +^8|Data|Data, on rising edge of Clock, 8bits, MSB first|
 +^9|CS|Chip select, active low, for duration of data|
 +^10|RS|Register select, Low = command, High = data|
 +
 +\\
 +----
 +===== Additional info =====
 +  * {{:electronic:lcd:uniden_dect1535_lcd.pdf|LCD initialisation sequence that works for this LCD}}
 +  * {{:electronic:lcd:uniden_dect1535_lcd.sr|LCD initialisation sequence in sigrok format}}
 +
 +\\
 +----
 +===== Examples =====
 +
 +{{:electronic:lcd:p4124920a.jpg?800|DECT1535 front}}
 +/*{{:electronic:lcd:.jpg?800|DECT1535 back}}*/
 +
 +{{:electronic:equipment:phone:p4124919a.jpg?800|DECT1535 overview with board}}
 +
 +{{:electronic:lcd:p4124913a.jpg?300|DECT1535 connector}}
 +/*{{:electronic:lcd:.jpg?300|DECT1535 chip}}*/
 +/*{{:electronic:lcd:.jpg?300|DECT1535 character set}}*/
 +
 +{{:electronic:lcd:p4124891a.jpg?400|DECT1535 examples}}
 +
 +{{:electronic:lcd:p4124916a.jpg?200|DECT1535 pixel layout}}
 +/*{{:electronic:lcd:.jpg?800|DECT1535 circuit}}*/