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[118.93.175.89]) by smtp.gmail.com with ESMTPSA id g19sm17209784pjl.25.2021.10.17.12.45.33 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 17 Oct 2021 12:45:34 -0700 (PDT) From: Brent Brown To: "piclist@mit.edu" Sender: "piclist-bounces@mit.edu" Date: Sun, 17 Oct 2021 12:45:30 -0700 Subject: Re: [EE] Microdisplays? Thread-Topic: [EE] Microdisplays? Thread-Index: AdfDkQk1HvSZN1ihTWiDbhkLEHhJ1g== Message-ID: <616C7D5A.20785.161CCAD7@brent.eds.co.nz> References: <9572b25988bd1a9223272045a55678c3.squirrel@hallikainen.org> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: <9572b25988bd1a9223272045a55678c3.squirrel@hallikainen.org> Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: None (protection.outlook.com: eds.co.nz does not designate permitted sender hosts) dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eds-co-nz.20210112.gappssmtp.com; s=20210112; h=from:organization:to:date:mime-version:subject:message-id:priority :in-reply-to:references:content-transfer-encoding :content-description; bh=gXaqfhnxUCUKA3LEjES1ZgMinBq/jvXkCdPSMb38xsE=; b=Ix23w6AU2OLXgfQFvd1m0Z0uB4vv4hUHRx5fB4Hsm9iEFAromgXxCMBfo+ZnKmIkZa ppSnYwKi32A2ILZhBHVE+VGEpQYbgjxDxWv8i2QNs4YnZw0jOLQZEbrWZtxp0PqI67oG CgWKEWp4INdSkuAz56/IuQNNzfwBOU14iqH+AwEmRZx3U4Fs2xav8yfihOGxvPPUybHt QMaMXrfImB1+NucLd7ipv3ZaUXQiQflfE/OBLDxNPX6O5DogmrIlT+zr2KwUvwvCrkzz Fycd6b6TOC0z5dSe2Y4Mw4ggfesP6VsuVavsxh5FMbTycRd4BHtq8AYdcy53mbPelbVp rv5A== authentication-results: spf=none (sender IP is 209.85.210.177) smtp.mailfrom=eds.co.nz; mit.edu; dkim=pass (signature was verified) header.d=eds-co-nz.20210112.gappssmtp.com; mit.edu; dmarc=none action=none header.from=eds.co.nz; errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a63:1a1b:: with SMTP id a27mr19453594pga.220.1634499934847; Sun, 17 Oct 2021 12:45:34 -0700 (PDT) x-topics: [EE] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 You may have seen them already, but I note displays like the following are = presently=20 quite common. They probably fall into the category of small rather than mic= ro: https://www.buydisplay.com/0-96-inch-mini-color-tft-lcd-display-module-80x1= 60-ips-t ft-st7735 https://www.buydisplay.com/1-14-inch-tft-lcd-display-ips-panel-screen-135x2= 40-for-s mart-watch SPI interface, LCD, good brightness and IPS tech fools some into thinking t= hey are=20 OLED. Then there are ones like this, which really are OLED: https://www.buydisplay.com/serial-spi-color-0-95-inch-oled-display-module-9= 6x64-pi xels-ssd1331 Brent On 15 Oct 2021 at 13:24, Harold Hallikainen wrote: > Years ago, I designed a product with a microdisplay (about 1/4 inch > diagonal). Originally it was designed with a display from MicroEmmissive > Devices, but they went bankrupt. Then changed to a backlit LCD from Kopin= .. > That is now EOL. So, what microdisplays are available? The MED one was > nice in that it had a standard SPI interface and a driver. I just told it > which pixels to light and it took care of it. No refresh needed. The Kopi= n > display requires continuous video (and pretty complex with phase inversio= n > on every line and every frame). I did this with the SPI interface on a > PIC. The image bitmap was put in RAM and an SPI interrupt picked up the > next 8 pixels to send. >=20 > So, I'd really like to find an OLED microdisplay with an SPI interface. >=20 > Ideas? >=20 > Thanks! >=20 > Harold >=20 >=20 >=20 >=20 >=20 >=20 > --=20 > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .