https://embeddedlinux.blog/en/categories/devicedriver/Recent content in DeviceDriver on Embedded Linux BlogHugoenSat, 11 Jul 2026 10:06:08 +0700https://embeddedlinux.blog/en/2026/06/13/device-driver-lichee-3-gpioget-dung-nut-bam-dieu-khien-led/Sat, 13 Jun 2026 06:23:00 +0700https://embeddedlinux.blog/en/2026/06/13/device-driver-lichee-3-gpioget-dung-nut-bam-dieu-khien-led/<p>I said we would use a button, but I turned my pile of electronics upside down and found no through-hole buttons, only SMD ones. So in this post I use a potentiometer playing the role of a button :vv</p> <h2 id="1-connecting-the-led-and-the-potentiometer">1. Connecting the LED and the potentiometer</h2> <p><figure class="md-img"><img src="https://embeddedlinux.blog/uploads/2026/06/4acccfc095f414aa4de5.jpg" alt="" loading="lazy" decoding="async"></figure> </p>https://embeddedlinux.blog/en/2026/06/06/device-driver-lichee-2-blink-led-bang-gpioset-tao-led-node-device-tree/Sat, 06 Jun 2026 06:46:00 +0700https://embeddedlinux.blog/en/2026/06/06/device-driver-lichee-2-blink-led-bang-gpioset-tao-led-node-device-tree/<p>Okay, after part 1 we have a board that boots to a terminal to tinker with; now for the Hello world of the embedded world. Let's try blinking an LED</p> <h2 id="1-licheepi-nano-pinout">1. LicheePi Nano pinout</h2> <p>Search online for sipeed licheepi nano and you will find plenty; this is the pinout from Sipeed</p>https://embeddedlinux.blog/en/2026/05/30/device-driver-lichee-0-build-image-va-flash-toi-board/Sat, 30 May 2026 06:03:00 +0700https://embeddedlinux.blog/en/2026/05/30/device-driver-lichee-0-build-image-va-flash-toi-board/<p>Instead of using yocto, which I think is actually quite complicated for beginners, I simplify things by building u-boot and the kernel separately and taking a ready-made root file system to flash to the board. Then we start the Device Driver series without needing to care what yocto is :vv</p>