diff --git a/examples/ipc-test.mjs b/examples/17-test.mjs
similarity index 74%
rename from examples/ipc-test.mjs
rename to examples/17-test.mjs
index 1b95155..442878e 100644
--- a/examples/ipc-test.mjs
+++ b/examples/17-test.mjs
@@ -13,46 +13,34 @@ const delay = time => new Promise(res=>setTimeout(()=>res(),time))
 
   let mcpclient = new Base({id:'mcpclient', sockets:'uc#c>n', uc:{path:PATH}})
 
+  mcpclient.reply = function (packet) {
+    console.log('for request ',packet._header.request)
+    console.log('mcp status is ',packet.status)
+  }
+
   await mcpclient.init()
   console.log('=============sending============')
-  // let packet = {cmd:'chip.ack'}
-  // console.dir(packet)
-  // for (let i=0;i<20;i++){
-  //   await delay(100)
-  //   packet.num = i
-  //   console.log('--------->',i)
-  //   mcpclient.send(packet)
-  // }
-
   // const pins='2,3,4'
-  const pins=3
+  // const pins=3
   // const pins='all'
   // const pins=[1,3,5,7]
+
   let packet = {cmd:'pin.cfg', pins:'all'}
-  console.dir(packet)
-  mcpclient.send(packet)
-  await delay(1000)
+  await mcpclient.send(packet)
   packet = {cmd:'pin.cfg', pins:'all', port:'B'}
-  console.dir(packet)
-  mcpclient.send(packet)
-  await delay(1000)
+  await mcpclient.send(packet)
   packet = {cmd:'pin.state.off', pins:'all' }
-  console.dir(packet)
-  await delay(1000)
-  mcpclient.send(packet)
+  await mcpclient.send(packet)
   packet = {cmd:'pin.state.off', pins:'all', port:'B' }
-  console.dir(packet)
-  mcpclient.send(packet)
-  await delay(1000)
-  // packet = {cmd:'pin.state.on', pins:pins}
-  // console.dir(packet)
-  // mcpclient.send(packet)
+  await mcpclient.send(packet)
   packet = {cmd:'pin.state.on', pins:'1,7', port:'B' }
-  console.dir(packet)
-  mcpclient.send(packet)
+  await mcpclient.send(packet)
   packet = {cmd:'pin.state.on', pins:'3,4'}
-  console.dir(packet)
-  mcpclient.send(packet)
+  await mcpclient.send(packet)
+  packet = {cmd:'pin.status', pins:'all'}
+  await mcpclient.send(packet)
+  packet = {cmd:'pin.status', pins:'all', port:'B'}
+  await mcpclient.send(packet)
 
   // mcpclient.send(packet)
   // await delay(1000)
diff --git a/examples/mcp.mjs b/examples/mcp17.mjs
similarity index 75%
rename from examples/mcp.mjs
rename to examples/mcp17.mjs
index f79fe14..2da4e40 100644
--- a/examples/mcp.mjs
+++ b/examples/mcp17.mjs
@@ -8,7 +8,7 @@ import MCP230XX from '../src/mcp230xx-packet'
   ;
 (async () => {
 
-  let mcp_chip  = new MCP230XX({id:'mcp23008-27', address:0x26, bus:{host:'sbc'} })
+  let mcp_chip  = new MCP230XX({id:'mcp23008-27', chip17:true address:0x26, bus:{host:'sbc'} })
 
   await mcp_chip.init()
 
diff --git a/examples/relays-test.mjs b/examples/relays-test.mjs
new file mode 100644
index 0000000..af1cff9
--- /dev/null
+++ b/examples/relays-test.mjs
@@ -0,0 +1,40 @@
+/*
+* i2c bus unix socket and client in one for demo
+*
+*/
+
+import Base from  '../../uci-base/src/base'
+
+const PATH = '/opt/sockets/mcp.sock'
+
+const delay = time => new Promise(res=>setTimeout(()=>res(),time))
+;
+(async () => {
+
+  let relays = new Base({id:'relays', sockets:'uc#c>n', uc:{path:PATH}})
+
+  relays.reply = function (packet) {
+    // console.log('for request ',packet._header.request)
+    // console.log('mcp status is ',packet.status)
+  }
+
+  await relays.init()
+  console.log('=============sending============')
+
+  await relays.send({cmd:'pin.cfg', pins:'all'})
+  await relays.send({cmd:'pin.state.off', pins:'all' })
+
+  for(let i=1;i<=8;i +=2){
+    await relays.send({cmd:'pin.state.on', pins:i})
+  }
+  console.log((await relays.send({cmd:'pin.status', pins:'all'})).status)
+  console.log((await relays.send({cmd:'pin.status', pins:'3'})).status.pins)
+  await delay(3000)
+  await relays.send({cmd:'pin.state.off', pins:'all'})
+
+  process.kill(process.pid, 'SIGTERM')
+
+
+})().catch(err => {
+  console.error('FATAL: UNABLE TO START SYSTEM!\n',err)
+})
diff --git a/examples/relays.mjs b/examples/relays.mjs
new file mode 100644
index 0000000..370463f
--- /dev/null
+++ b/examples/relays.mjs
@@ -0,0 +1,17 @@
+/*
+* i2c bus with both unix and tcp socket using defaults.  For TCP that is host OS name and port 8080
+*
+*/
+import MCP230XX from '../src/mcp230xx-packet'
+// const PATH = ''
+
+  ;
+(async () => {
+
+  let relays = new MCP230XX({id:'relays', address:0x27, bus:{host:'sbc'} })
+
+  await relays.init()
+
+})().catch(err => {
+  console.error('FATAL: UNABLE TO START SYSTEM!\n',err)
+})
diff --git a/src/commands.mjs b/src/commands.mjs
index fee49f5..22a1973 100644
--- a/src/commands.mjs
+++ b/src/commands.mjs
@@ -3,10 +3,10 @@ import _ from '../../archive/uci-utils/src/byte'
 import { CHIP, PIN } from './config'
 
 export const chip = {
-  ack: async function(packet){
-    let bus = await this.busSend({ cmd:'scan'})
+  ack: async function(){
+    let bus = await this.send('bus',{ cmd:'scan'})
     if (bus.error) return bus
-    let res = { cmd:'reply', _req:packet, _reqBus:{cmd:'scan'}, ack: false, address:this.address, scan:bus.response}
+    let res = { cmd:'reply', ack: false, address:this.address, scan:bus.response}
     if (bus.response.indexOf(this.address) !== -1) res.ack = true
     return res
   },
@@ -15,7 +15,7 @@ export const chip = {
   cfg: async function(packet){
     busPacket = busPacket.bind(this)
     // first make sure chip is in set to BANK=0 if not already
-    let bus = await this.busSend(busPacket('write',0x05,0))
+    let bus = await this.send('bus',busPacket('write',0x05,0))
     if (bus.error) return bus
     let setting = {}
     let cfg = packet.cfg || 'default'
@@ -26,11 +26,12 @@ export const chip = {
     }
     let byte = _.byteFormat(setting.val, { in: setting.fmt, out: 'DEC' })
     if (byte < 128) byte += 128  // make sure BANK=1 remains on
-    bus = await this.busSend(busPacket('write',0x0A,byte))
+    let reg = this.chip17 ? 0x0A : 0x05
+    bus = await this.send('bus',busPacket('write',reg,byte))
     if (bus.error) return bus
-    bus = await this.busSend(busPacket('read',0x05))
+    bus = await this.send('bus',busPacket('read',0x05))
     if (bus.error) return bus
-    return { cmd:'reply', _req:packet, response:_.byteFormat(bus.response,{in:'DEC',out:'STR'}) }
+    return { cmd:'reply', response:_.byteFormat(bus.response,{in:'DEC',out:'STR'}) }
   }
 }
 
@@ -41,7 +42,7 @@ export const chip = {
 export const pin = {
   cfg: async function(packet){
     let cfg = {}
-    let reply = { cmd:'reply', _req:packet, response:{} }
+    let reply = { cmd:'reply', status:{} }
     packet.cfg = packet.cfg || 'output'
     if (packet.cfg==='custom') cfg = packet.set
     else cfg = PIN.cfgset[packet.cfg]
@@ -50,7 +51,7 @@ export const pin = {
       // console.log(name, op)
       let busreply = await state.bind(this)(packet,op,PIN.setting[name])
       if (busreply.error) return busreply
-      reply.response[name] = busreply.status
+      reply.status[name] = busreply.status
     }
     return reply
   },
@@ -62,14 +63,16 @@ export const pin = {
     let reply = { cmd:'reply', _req:packet}
     let pins = parsePins(packet.pins)
     let state = new _.Byte()
-    let bus = await this.busSend(busPacket.bind(this)('read',reg, packet.port))
+    let bus = await this.send('bus',busPacket.bind(this)('read',reg, packet.port))
     if (bus.error) return bus
     state.value = bus.response
-    reply.port = state.toFmt('ARY')
-    reply.pins = pins.value.map(pin => {
-      if (state.toFmt('PLC').indexOf(pin) !==-1) return [pin, 'on']
-      else return [pin,'off']
-    })
+    reply.status =
+    { port:state.toFmt('ARY'),
+      pins: pins.value.map(pin => {
+        if (state.toFmt('PLC').indexOf(pin) !==-1) return [pin, 'on']
+        else return [pin,'off']
+      })
+    }
     return reply
   },
   // threse three only for output pins
@@ -114,12 +117,12 @@ const state = async function(packet,op,reg){
   let reply = { cmd:'reply', _req:packet}
   let pins = parsePins(packet.pins)
   let state = new _.Byte()
-  let bus = await this.busSend(busPacket('read',reg, packet.port))
+  let bus = await this.send('bus',busPacket('read',reg, packet.port))
   if (bus.error) return bus
   state.value = bus.response
-  bus = await this.busSend(busPacket('write',reg,state.bwOp(pins.value,op,{in:'PLC', out:'DEC'}),packet.port))
+  bus = await this.send('bus',busPacket('write',reg,state.bwOp(pins.value,op,{in:'PLC', out:'DEC'}),packet.port))
   if (bus.error) return bus
-  bus = await this.busSend(busPacket('read',reg, packet.port))
+  bus = await this.send('bus',busPacket('read',reg, packet.port))
   if (bus.error) return bus
   state.value = bus.response
   reply.status = state.bwOp(pins.value,'check',{in:'PLC', out:'PLC'})
diff --git a/src/mcp230xx-packet.mjs b/src/mcp230xx-packet.mjs
index 75aeb1b..6ffd7de 100644
--- a/src/mcp230xx-packet.mjs
+++ b/src/mcp230xx-packet.mjs
@@ -32,9 +32,10 @@ export default class MCP230XX extends Base {
     super(opts)
     if (!opts.address) log.fatal({opts:opts},'no i2c bus address supplied' )
     this.address = opts.address
+    this.chip17 = opts.chip17
     this.pin = pin
     this.chip = chip
-    this.busSend = this.busSend.bind(this)
+    // this.busSend = this.busSend.bind(this)
 
   }
 
@@ -43,7 +44,8 @@ export default class MCP230XX extends Base {
     let res = await this.chip.ack.bind(this)() // move this to device class
     if (!res.ack) throw `no device on this bus at address ${this.address}=0x${this.address.toString(16)}`
     res = await this.chip.cfg.bind(this)({})
-    if (res.response !== '10100010') throw `could not configure mcp chip at ${this.address}=0x${this.address.toString(16)}`
+    let cfg = this.chip17 ?'10100010':'00100010'
+    if (res.response !==cfg ) throw `could not configure mcp chip at ${this.address}=0x${this.address.toString(16)}`
   }
 
 
@@ -52,23 +54,4 @@ export default class MCP230XX extends Base {
     this.emit(bus_packet.id, bus_packet)
   }
 
-  async busSend(packet) {
-    return new Promise( async (resolve) => {
-      setTimeout(() => {resolve({error:'no response from bus in 10sec'})},10000)
-      packet.id = Math.random().toString().slice(2)
-      // console.log('sending to bus', packet.id)
-      this.socket.bus.send(packet)
-      this.on(packet.id,function(bus_reply){
-        // console.log('reply emitted',bus_reply)
-        this.removeAllListeners(bus_reply.id)
-        delete bus_reply.id
-        resolve(bus_reply)
-      }) //end listener
-    })
-  }
-
-  // setBusListener(packet) {
-  //   // this.on(packet.cmd+Math.random().toString().slice(1))
-  // }
-
 } // end of MCP230XX Class