const {createCanvas} = require("canvas"); const canvas = createCanvas(480, 320); // Draw to your canvas: const ctx = canvas.getContext("2d", {pixelFormat: "RGB16_565"});// important: RGB16_565 ctx.font = "30px impact"; ctx.fillStyle = "red"; ctx.fillText("Hello!", 50, 100); // Write to the framebuffer device: const fs = require("fs"); const fb = fs.openSync("/dev/fb1", "w"); // where /dev/fb1 is the path to your fb device const buff = canvas.toBuffer("raw"); console.log(buff.byteLength); // should be equal to width*height*2 fs.writeSync(fb, buff, 0, buff.byteLength, 0);