For everyone who likes to experimenting and make their own stuff I suggest checking out how you can make your own DIY KeepKey wallet.
CryptoGuide posted interesting
video tutorial few days ago, and all credits go to him.
If you decide to go with smaller oled display price will be very cheap for all components on Ali or similar websites.
Code is open source and everything is available for free.
Enjoy

Hardware Required:
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STM32F405RGT6 Board 1$
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256x64 SSD1322 OLED Display (3.12) 9$
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256x64 SSD1322 OLED Display (5.5) 36$
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Digital Pushbuttons 1$
3d printed case:
3.12 inch version5.5 inch versionKeepkey DIY Written Instructions and firmware:
https://github.com/3rdIteration/keepkey-diyhttps://github.com/keepkey/keepkey-firmwareCheck out how cool big version of DIY KeepKey is, and how big is compared to regular KeepKey and Trezor hardware wallet.
you won't have any problems reading bitcoin addresses with this device.
