diff --git a/examples/17-test.mjs b/examples/17-test.js
similarity index 100%
rename from examples/17-test.mjs
rename to examples/17-test.js
diff --git a/examples/mcp-switch-relay.mjs b/examples/mcp-switch-relay.js
similarity index 100%
rename from examples/mcp-switch-relay.mjs
rename to examples/mcp-switch-relay.js
diff --git a/examples/mcp17.mjs b/examples/mcp17.js
similarity index 100%
rename from examples/mcp17.mjs
rename to examples/mcp17.js
diff --git a/package.json b/package.json
index 87c4646..7e1a62d 100644
--- a/package.json
+++ b/package.json
@@ -1,16 +1,16 @@
 {
   "name": "@uci/mcp",
   "main": "src",
-  "version": "0.1.2",
+  "version": "0.1.3",
   "description": "Classes and Helper Functions for using the MCP chip on I2C Bus",
   "scripts": {
-    "relays": "node --require @std/esm examples/relays",
-    "swr": "node --require @std/esm examples/mcp-switch-relay",
+    "relays": "node -r esm examples/relays",
+    "swr": "node -r esm examples/mcp-switch-relay",
     "test": "./node_modules/.bin/mocha --reporter list  --timeout 30000",
     "testw": "./node_modules/.bin/mocha --reporter list  -- watch --timeout 30000",
     "testibc": "istanbul cover ./node_modules/.bin/_mocha test/ --report lcovonly -- -R spec --recursive && codecov || true",
     "sample": "node demo/sample.js",
-    "inter": "sudo node -r @std/esm examples/interrupt"
+    "inter": "sudo node -r esm examples/interrupt"
   },
   "author": "David Kebler",
   "license": "MIT",
@@ -28,18 +28,17 @@
   },
   "homepage": "https://github.com/uCOMmandIt/uci-mcp#readme",
   "dependencies": {
-    "@uci/i2c-device": "^0.1.1",
-    "@uci/interrupt": "^0.1.1",
-    "@uci/logger": "0.0.1",
-    "@uci/mqtt": "0.0.1",
+    "@uci/i2c-device": "^0.1.3",
+    "@uci/interrupt": "^0.1.4",
+    "@uci/logger": "^0.0.2",
+    "@uci/mqtt": "^0.0.3",
     "@uci/utils": "^0.1.1"
   },
-  "@std/esm": "cjs",
   "devDependencies": {
-    "@std/esm": "^0.22.0",
     "chai": "^4.1.2",
     "codecov": "^3.0.0",
     "debug": "^3.1.0",
+    "esm": "^3.0.22",
     "istanbul": "^0.4.5",
     "mocha": "^5.0.1",
     "nodemon": "^1.15.1"
diff --git a/src/commands.mjs b/src/commands.js
similarity index 100%
rename from src/commands.mjs
rename to src/commands.js
diff --git a/src/config.mjs b/src/config.js
similarity index 100%
rename from src/config.mjs
rename to src/config.js
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..6219d47
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,7 @@
+import MCP230XX from './mcp230xx'
+import MCP230XXi from  './mcp230xxi'
+
+export { MCP230XX as MCP230XX }
+export { MCP230XXi as MCP230XXi }
+
+export default MCP230XX
diff --git a/src/index.mjs b/src/index.mjs
deleted file mode 100644
index 8fcc756..0000000
--- a/src/index.mjs
+++ /dev/null
@@ -1,15 +0,0 @@
-import MCP230XX from './mcp230xx'
-import MCP230XXi from  './mcp230xxi'
-// import Relays from './relays'
-// import RelayBanks from './relay-banks'
-// import Switches from  './switches'
-// import SwitchBanks from  './switch-banks'
-
-export { MCP230XX as MCP230XX }
-export { MCP230XXi as MCP230XXi }
-// export { Interrupt as Interrupt }
-// export { Relays as Relays }
-// export { RelayBanks as RelayBanks }
-// export { Switches as Switches }
-// export { SwitchBanks as SwitchBanks }
-export default MCP230XX
diff --git a/src/mcp230xx.mjs b/src/mcp230xx.js
similarity index 65%
rename from src/mcp230xx.mjs
rename to src/mcp230xx.js
index 29b69e1..c3641e2 100644
--- a/src/mcp230xx.mjs
+++ b/src/mcp230xx.js
@@ -2,23 +2,13 @@ import Device from '@uci/i2c-device'
 // import Device from '../../uci-i2c-device/src/device-packet'
 import { pin, chip } from './commands'
 
-// import logger from '../../uci-logger/src/logger'
 import logger from '@uci/logger'
 let log = {}
-const LOG_OPTS = (id) => {
-  return {
-    repo:'uci-mcp',
-    npm:'@uci/mcp',
-    file:'src/mcp230xx.mjs',
-    class:'MCP230XX',
-    id:id,
-    instance_created:new Date().getTime()
-  }}
 
 export default class MCP230XX extends Device {
   constructor(opts) {
     super(opts)
-    log = logger.child(LOG_OPTS(this.id))
+    log = logger({file:'src/mcp230xx.js',class:'MCP230XX',name:'mcp',id:this.id})
     this.chip17 = opts.chip17
     this.pin = this.bindFuncs(pin)
     this.chip = this.bindFuncs(chip)
@@ -26,9 +16,7 @@ export default class MCP230XX extends Device {
 
   async init(){
     await super.init()
-    // console.log(this.address, this.chip17)
     let res = await this.chip.cfg({})
-    // console.log(res)
     let cfg = this.chip17 ?'10100010':'00100010'
     if (res.response !==cfg ) throw `could not configure mcp chip at ${this.address}=0x${this.address.toString(16)}`
   }
diff --git a/src/mcp230xxi.mjs b/src/mcp230xxi.js
similarity index 92%
rename from src/mcp230xxi.mjs
rename to src/mcp230xxi.js
index 312528a..3d86c71 100644
--- a/src/mcp230xxi.mjs
+++ b/src/mcp230xxi.js
@@ -1,17 +1,8 @@
 import MCP230XX from './mcp230xx'
-import logger from '@uci/logger'
 import { byteFormat } from '@uci/utils/src/byte'
 
+import logger from '@uci/logger'
 let log = {}
-const LOG_OPTS = (id) => {
-  return {
-    repo:'uci-mcp',
-    npm:'@uci/mcp',
-    file:'src/mcp230xxi.mjs',
-    class:'MCP230XXi',
-    id:id,
-    instance_created:new Date().getTime()
-  }}
 
 // sockets:'inter#s>t', inter:{port:INTERRUPT_PORT}
 
@@ -49,8 +40,8 @@ export default class MCP230XXi extends MCP230XX {
       this[pin] = opts[pin] || {}
     })
     this.pins = pins
-    log = logger.child(LOG_OPTS(this.id))
-    Object.assign(this.pin, this.bindFuncs(pin))
+    log = logger({file:'src/mcp230xxi.js',class:'MCP230XXi',name:'mcp',id:this.id})
+    Object.assign(this.pin, this.bindFuncs(pin)) // add interrupt pin commands to base set in "command.js"
     this._interruptProcess = null
 
   }