Tufty 2040

A hackable, programmable badge with 2.4" (320 x 240) TFT LCD colour display, powered by Raspberry Pi RP2040.

We've had a lot of requests for a LCD version of Badger 2040 so tada - meet our pal Tufty. In a nutshell, we've combined a RP2040 microcontroller with a nice, crisp LCD screen to make a snazzy, colourful programmable badge - perfect for identifying/expressing yourself at cybernetic conferences, illicit undersea research facilities or dodgy space station bars. Don't limit yourself to hanging it round your neck (or tail) though, use it as a sleek display/control panel for sensor readouts, a photo frame for digitally generated art or for making/playing small games. Perhaps you could even have a crack at making it play Doom?

Tufty comes fully loaded with a quintet of buttons so you can easily change what's displayed on the screen, a slot so you can clip it onto a lanyard and a light sensing phototransistor, which can be used to adjust the brightness of the screen automatically. On the back, you'll find a ✨majestic cyberpunk squirrel✨, a battery connector (with a nice wide input voltage) and the usual RP2040 old chestnuts - boot and power on/off buttons and a Qw/ST connector for attaching breakouts.

You can pick up a Tufty on its own, or for a bit more cashew can get a handy Tufty + Accessory Kit with a lanyard, AAA battery pack and USB cable.

Features

• 2.4" colour IPS LCD display (320 x 240 pixels)
• Driver IC: ST7789v
• Connected via parallel
• Dimmable backlight (adjustable via PWM)
• Powered by RP2040 (Dual Arm Cortex M0+ running at up to 133Mhz with 264kB of SRAM)
• 8MB of QSPI flash supporting XiP
• Phototransistor for light sensing
• Five front user buttons
• Power and boot buttons (the boot button can also be used as a user button)
• White LED
• USB-C connector for power and programming
• JST-PH connector for attaching a battery (input range 3V - 5.5V)
• High-precision voltage reference for battery level monitoring.
• Qw/ST (Qwiic/STEMMA QT) connector
• Fully-assembled (no soldering required)
• Schematic
• Dimensional drawing
• C++/MicroPython libraries