diff --git a/.gitignore b/.gitignore
index 24c853d..2882970 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /node_modules/
 /coverage/
 /syncd/
+*.lock
diff --git a/examples/bus.mjs b/examples/bus.js
similarity index 100%
rename from examples/bus.mjs
rename to examples/bus.js
diff --git a/examples/ipc-relay.mjs b/examples/ipc-relay.js
similarity index 100%
rename from examples/ipc-relay.mjs
rename to examples/ipc-relay.js
diff --git a/examples/ipc-scan.mjs b/examples/ipc-scan.js
similarity index 100%
rename from examples/ipc-scan.mjs
rename to examples/ipc-scan.js
diff --git a/examples/tcp-scan.mjs b/examples/tcp-scan.js
similarity index 100%
rename from examples/tcp-scan.mjs
rename to examples/tcp-scan.js
diff --git a/package.json b/package.json
index dfed2cf..a84178d 100644
--- a/package.json
+++ b/package.json
@@ -1,16 +1,16 @@
 {
   "name": "@uci/i2c-bus",
-  "version": "0.1.2",
+  "version": "0.1.5",
   "description": "I2c Bus Classes for Communication to I2C bus via socket or direct call",
-  "main": "src/bus-packet.mjs",
+  "main": "src/bus-packet",
   "scripts": {
-    "irelay": "node --require @std/esm  examples/ipc-relay",
-    "iscan": "node --require @std/esm  examples/ipc-scan || true",
-    "tscan": "node --require @std/esm  examples/tcp-scan || true",
-    "bus": "node --require @std/esm examples/bus",
-    "busl": "DEBUG=true node --require @std/esm examples/bus",
-    "test": "mocha -r @std/esm test/*.test.mjs",
-    "testw": "mocha -r @std/esm test/*.test.mjs --watch --recurse --watch-extensions mjs",
+    "irelay": "node --require esm  examples/ipc-relay",
+    "iscan": "node --require esm  examples/ipc-scan || true",
+    "tscan": "node --require esm  examples/tcp-scan || true",
+    "bus": "node --require esm examples/bus",
+    "busl": "DEBUG=true node --require esm examples/bus",
+    "test": "mocha -r esm test/*.test.js",
+    "testw": "mocha -r esm test/*.test.js --watch --recurse",
     "testci": "istanbul cover ./node_modules/.bin/_mocha test/ --report lcovonly -- -R spec --recursive && codecov || true"
   },
   "author": "David Kebler",
@@ -29,21 +29,20 @@
     "url": "https://github.com/uCOMmandIt/i2c/issues"
   },
   "homepage": "https://github.com/uCOMmandIt/i2c#readme",
-  "@std/esm": "cjs",
   "optionalDependencies": {
     "i2c-bus": "^1.x"
   },
   "dependencies": {
     "@uci/base": "^0.1.0",
-    "@uci/logger": "0.0.1",
+    "@uci/logger": "^0.0.2",
     "better-try-catch": "^0.6.2",
     "pify": "^3.0.0"
   },
   "devDependencies": {
-    "@std/esm": "^0.18.0",
     "chai": "^3.5.0",
     "chai-as-promised": "^6.0.0",
     "codecov": "^1.0.1",
+    "esm": "^3.0.21",
     "istanbul": "^0.4.5",
     "mocha": "^3.2.0",
     "nodemon": "^1.14.12"
diff --git a/src/bus-packet.mjs b/src/bus-packet.js
similarity index 94%
rename from src/bus-packet.mjs
rename to src/bus-packet.js
index 43c8ef7..a30167e 100644
--- a/src/bus-packet.mjs
+++ b/src/bus-packet.js
@@ -6,18 +6,10 @@ import Base from '@uci/base'
 
 import logger from '@uci/logger'
 let log = {}
-const LOG_OPTS = {
-  repo:'uci-i2c-bus',
-  npm:'@uci/i2c-bus',
-  file:'src/bus-packet.mjs',
-  class:'Bus',
-  id:this.id,
-  instance_created:new Date().getTime()
-}
 
 export default class Bus extends Base {
   constructor(opts) {
-    log = logger.child(LOG_OPTS)
+    log = logger({name:'i2c-bus',id:opts.id,file:'src/bus-packet.js',class:'Bus'})
     if (opts.path) opts.ns ={path:opts.path}
     if(!opts.ns) opts.ns = {path:'i2c-bus'}
     opts.sockets = (opts.sockets ? (opts.sockets+',') : '') + 'ns#s>n'
diff --git a/src/bus.mjs b/src/bus.js
similarity index 100%
rename from src/bus.mjs
rename to src/bus.js
diff --git a/test/bus.test.mjs b/test/bus.test.js
similarity index 100%
rename from test/bus.test.mjs
rename to test/bus.test.js