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Forum Index : Microcontroller and PC projects : TFT-Zero - just for fun. :)

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Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 6787
Posted: 10:21am 07 Feb 2024
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A little backpack to play with. It's probably not of much use, but very gimmicky. :)





The display is SPI, despite it's labelling saying SCL and SDA. Note that you need the 8-pin version with CS.

Expansion is via USB and two QWIC sockets. The console connection needs an external USB-ttl converter.

Audio output is the usual PWM system, but there are 220uF capacitors to keep DC off the headphones.

It's intended that the RP2040-Zero and the display are mounted using only male header pins. That keeps the depth right down. If this is done you will need to fit PCB spacers at the opposite end of the display or it could get broken.

The SMD resistors and caps are 1206 size, so not bad to solder.
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
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