changed driver to one that ES moduled

create Node.js version example

examples/adxl345/index.html

@@ -7,9 +7,8 @@
       content="width=device-width, user-scalable=no, initial-scale=1"
     />
     <title>Grove Digital Accelerometer sensor</title>
-    <script src="node_modules/@chirimen-raspi/polyfill/polyfill.js"></script>
-    <script src="node_modules/@chirimen-raspi/chirimen-driver-i2c-grove-accelerometer/GROVEACCELEROMETER.js"></script>
-    <script src="./main.js" defer></script>
+    <script src="https://r.chirimen.org/polyfill.js"></script>
+    <script src="./main.js" type="module"></script>
     <style>
       p {
         color: blue;

examples/adxl345/main.js

@@ -1,3 +1,5 @@
+import GROVEACCELEROMETER from "https://unpkg.com/@chirimen/grove-accelerometer?module";
+
 main();
 
 async function main() {
@@ -15,7 +17,7 @@ async function main() {
       ay.innerHTML = values.y ? values.y : ay.innerHTML;
       az.innerHTML = values.z ? values.z : az.innerHTML;
     } catch (err) {
-      console.log("READ ERROR:" + err);
+      console.error("READ ERROR:" + err);
     }
     await sleep(1000);
   }