[Tech2077] is one of the lucky ones who already got his hands on a Raspberry Pi. He’s been looking into different interface options with the GPIO header and just posted a guide to using an HD44780 ...

-- of The License, or (at Your Option) Any Later Version. -- This Program is Distributed in The Hope That It Will Be Useful, -- But WITHOUT ANY WARRANTY; Without Even ...

キャラクタLCDのHD44780(および互換品)はもっとも広く知られている存在だと思います。 しかしこれはパラレル接続なのでいかんせん配線も制御も面倒です。 なのでシフトレジスタを使うことで制御側の負担を減らせるようにしました。 GPIOでの制御はピンの ...

This project implements a complete 16×2 LCD display driver for the Raspberry Pi Pico using its RP2040 microcontroller — written entirely in bare-metal C with the Pico SDK. The HD44780 parallel ...

There are too many different kinds of displays – some of them, you already know. I’d like to help you navigate the hobbyist-accessible display world – let’s take a journey together, technology by ...