diff --git a/internal/configs/reactor.yaml b/internal/configs/reactor.yaml
index b2b836a..26f2e46 100644
--- a/internal/configs/reactor.yaml
+++ b/internal/configs/reactor.yaml
@@ -1,9 +1,10 @@
+devices:
+    address: 112
+    name: DO Sensor
 reactor:
-    name: "Dummy Reactor"
+    id: 2166136261
+    model: ""
+    name: Dummy Reactor
     server:
-        ip: "192.168.100.2"
+        ip: 192.168.100.2
         port: 2022
-devices:
-    address: 112 # decimal
-    name: "DO Sensor"
-          
diff --git a/internal/pkg/I2C/device.go b/internal/pkg/I2C/device.go
index 0171c7e..a24501e 100644
--- a/internal/pkg/I2C/device.go
+++ b/internal/pkg/I2C/device.go
@@ -1,79 +1,72 @@
 package I2C
 
 import (
-    "fmt"
-    "sync"
-    "time"
+	"fmt"
+	"sync"
+	"time"
 )
 
 type I2CDevice struct {
-    *I2CBus             // embeds bus
-    bool                // stores whether dev is currently connected
-    int                 // addr
-    Data *data
+	*I2CBus // embeds bus
+	bool    // stores whether dev is currently connected
+	int     // addr
+	Data    *data
 }
 
 type data struct {
-    string
-    bool
-    sync.Mutex
+	string
+	bool
+	sync.Mutex
 }
 
 func (d I2CDevice) String() string {
-    t := map[int]string{97:"DO Sensor",99:"pH Sensor",102:"Temperature Sensor",64:"DHT11 Sensor"}
-    return t[d.int]
+	t := map[int]string{97: "DO Sensor", 99: "pH Sensor", 102: "Temperature Sensor", 64: "DHT11 Sensor"}
+	return t[d.int]
 }
 
-func NewDevice(addr int,bus *I2CBus) *I2CDevice {
-    d := &I2CDevice{}
-    d.I2CBus = bus
-    d.int = addr
-    d.Data = &data{}
-    return d
+func NewDevice(addr int, bus *I2CBus) *I2CDevice {
+	d := &I2CDevice{}
+	d.I2CBus = bus
+	d.int = addr
+	d.Data = &data{}
+	return d
 }
 
 func (d *I2CDevice) GetAddr() int {
-    return d.int
+	return d.int
 }
 
-func (d *I2CDevice) GetStatus() string {
-    // TODO
-    s := d.I2CBus.GetStatus(d.int)
-    if s {
-        d.Data.Active()
-        return "[green]ACTIVE[white]"
-    } else {
-        d.Data.Killed()
-        return "[red]KILLED[white]"
-    }
+func (d *I2CDevice) GetStatus() bool {
+	// TODO
+	return d.I2CBus.GetStatus(d.int)
 }
 
 func (d *I2CDevice) GetType() string {
-    // TODO
-    return fmt.Sprint(d)
+	// TODO
+	return fmt.Sprint(d)
 }
 
 func (d *I2CDevice) GetData() string {
-    d.Data.Lock()
-    defer d.Data.Unlock()
-    d.Data.string = d.I2CBus.GetData(d.int)
-    return d.Data.string
+	d.Data.Lock()
+	defer d.Data.Unlock()
+	d.Data.string = d.I2CBus.GetData(d.int)
+	return d.Data.string
 }
 
 func (d *data) Active() {
-    d.Lock()
-    defer d.Unlock()
-    if !d.bool {
-        d.string = ""
-        d.bool = true
-    }
+	d.Lock()
+	defer d.Unlock()
+	if !d.bool {
+		d.string = ""
+		d.bool = true
+	}
 }
 
 func (d *data) Killed() {
-    d.Lock()
-    defer d.Unlock()
-    if d.bool {
-        d.string = time.Now().Format("Mon at 03:04:05pm MST")
-        d.bool = false
-    }
+	d.Lock()
+	defer d.Unlock()
+	if d.bool {
+		d.string = time.Now().Format("Mon at 03:04:05pm MST")
+		d.bool = false
+	}
 }
diff --git a/internal/pkg/I2C/monitor.go b/internal/pkg/I2C/monitor.go
index 07bb585..7aacd32 100644
--- a/internal/pkg/I2C/monitor.go
+++ b/internal/pkg/I2C/monitor.go
@@ -1,97 +1,102 @@
 package I2C
 
 import (
-    "time"
-    _ "fmt"
-    "sync"
+	_ "fmt"
+	"sync"
+	"time"
 )
 
 /*
-    i2c monitor implements a long running monitor responsible for sending active devices to the rlc
+   i2c monitor implements a long running monitor responsible for sending active devices to the rlc
 */
 
 type I2CMonitor struct {
-    *I2CBus
-    Devices *devs
-    DevChan chan int
+	*I2CBus
+	Devices *devs
+	DevChan chan int
 }
 
 type devs struct {
-    sync.Mutex
-    m map[int]*I2CDevice
+	sync.Mutex
+	m map[int]*I2CDevice
 }
 
-func NewMonitor(bus int,ch chan int) *I2CMonitor {
-    m := &I2CMonitor{}
-    b := NewBus(bus)
-    m.I2CBus = b
-    d := make(map[int]*I2CDevice)
-    m.Devices = &devs{m:d}
-    m.DevChan = ch
-    return m
+func NewMonitor(bus int, ch chan int) *I2CMonitor {
+	m := &I2CMonitor{}
+	b := NewBus(bus)
+	m.I2CBus = b
+	d := make(map[int]*I2CDevice)
+	m.Devices = &devs{m: d}
+	m.DevChan = ch
+	return m
 }
 
 func (m *I2CMonitor) Update() {
-    /*
-    scans bus and adds new active devices
-    */
-    devs := m.Scan()
-    chng := m.Devices.Parse(m.I2CBus,devs)
-    for _, d := range chng {
-        go m.ConnectDevice(d)
-    }
+	/*
+	   scans bus and adds new active devices
+	*/
+	devs := m.Scan()
+	chng := m.Devices.Parse(m.I2CBus, devs)
+	for _, d := range chng {
+		go m.ConnectDevice(d)
+	}
 }
 
 func (m *I2CMonitor) Monitor() {
-    // functon that updates the device list and notifies rlc of any changes to sensor composition
-    s := make(chan struct{})
-    t := 5 * time.Second
-    go func(signal chan struct{},to time.Duration) { // simple signal func to init scan
-        for {
-            signal <-struct{}{}
-            time.Sleep(to)
-        }
-    }(s,t)
+	// functon that updates the device list and notifies rlc of any changes to sensor composition
+	s := make(chan struct{})
+	t := 5 * time.Second
+	go func(signal chan struct{}, to time.Duration) { // simple signal func to init scan
+		for {
+			signal <- struct{}{}
+			time.Sleep(to)
+		}
+	}(s, t)
 
-    for {
-        <-s
-        m.Update()
-   }
+	for {
+		<-s
+		m.Update()
+	}
 }
 
 func (m *I2CMonitor) ConnectDevice(addr int) {
-    m.DevChan <-addr
+	m.DevChan <- addr
 }
 
-func (m *I2CMonitor) GetDevice(addr int) interface{ GetAddr() int; GetData() string; GetStatus() string; GetType() string } {
-    m.Devices.Lock()
-    defer m.Devices.Unlock()
-    return m.Devices.m[addr]
+func (m *I2CMonitor) GetDevice(addr int) interface {
+	GetAddr() int
+	GetData() string
+	GetStatus() bool
+	GetType() string
+} {
+	m.Devices.Lock()
+	defer m.Devices.Unlock()
+	return m.Devices.m[addr]
 }
 
-func (d *devs) Parse(bus *I2CBus,devices map[int]bool) []int {
-    d.Lock()
-    defer d.Unlock()
-    newdevs := []int{}
-    for addr, status := range devices {
-        if dev, exists := d.m[addr]; exists {
-            // device seen
-            if status != dev.bool { // if device state changed
-                dev.bool = status
-                if status {
-                    newdevs = append(newdevs,dev.GetAddr())
-                }
-            }
-        } else {
-            // device not seen yet
-            if status {
-                // active
-                newd := NewDevice(addr,bus)
-                newd.bool = status
-                d.m[addr] = newd
-                newdevs = append(newdevs,newd.GetAddr())
-            }
-        }
-    }
-    return newdevs
+func (d *devs) Parse(bus *I2CBus, devices map[int]bool) []int {
+	d.Lock()
+	defer d.Unlock()
+	newdevs := []int{}
+	for addr, status := range devices {
+		if dev, exists := d.m[addr]; exists {
+			// device seen
+			if status != dev.bool { // if device state changed
+				dev.bool = status
+				if status {
+					newdevs = append(newdevs, dev.GetAddr())
+				}
+			}
+		} else {
+			// device not seen yet
+			if status {
+				// active
+				newd := NewDevice(addr, bus)
+				newd.bool = status
+				d.m[addr] = newd
+				newdevs = append(newdevs, newd.GetAddr())
+			}
+		}
+	}
+	return newdevs
 }
diff --git a/internal/pkg/reactor/monitoring.go b/internal/pkg/reactor/monitoring.go
index f40583d..b6cca24 100644
--- a/internal/pkg/reactor/monitoring.go
+++ b/internal/pkg/reactor/monitoring.go
@@ -3,7 +3,6 @@ package reactor
 import (
 	"context"
 	"fmt"
-	"sync"
 
 	//"FRMS/internal/pkg/logging"
 	//"google.golang.org/grpc"
@@ -31,57 +30,62 @@ func (c *Coordinator) DevStatus(ch chan *DeviceStatus, a int, dm DeviceManager)
 func (c *Coordinator) GetStatus() []*pb.Device {
 	// db stuff
 	//api := client.WriteAPIBlocking(c.Org, c.Bucket)
-	var wg sync.WaitGroup
+	//var wg sync.WaitGroup
 	devs := []*pb.Device{}
-	statusChan := make(chan *DeviceStatus)
-	c.Devices.Lock()
-	for a, dm := range c.Devices.Managers {
-		wg.Add(1)
-		go c.DevStatus(statusChan, a, dm)
-	}
-	c.Devices.Unlock()
-	allDone := make(chan struct{})
-	go func() {
-		wg.Wait()
-		allDone <- struct{}{}
-	}() // once all the status are sent we send all done on the chan
-	for {
-		select {
-		case s := <-statusChan:
-			fmt.Printf("%v is %v\n", s.Type, s.Status)
-			/*
-			   data := strings.Split(s.Data,",") // T:10C,H:102% -> T:10C H:10%
-			   for _, m := range data {
-			       var meas string
-			       splt := strings.Split(m,":") // T 10C or H 10%
-			       if splt[0] == "T" {
-			           meas = "Temperature"
-			       } else if splt[0] == "H" {
-			           meas = "Humidity"
-			       }
-			       val, err := strconv.ParseFloat(strings.Trim(splt[1]," %C\n"), 64)
-			       if err != nil {
-			           panic(err)
-			       }
-			       p := influxdb2.NewPoint("measurements",map[string]string{"type":meas},map[string]interface{}{"val":val},time.Now())
-			       if err := api.WritePoint(context.Background(), p); err != nil {
-			           panic(err)
-			       }
-			   }
-			   devs = append(devs,&pb.Device{Addr:int32(s.Addr),Type:s.Type,Status:s.Status,Data:s.Data})
-			*/
-			wg.Done()
-		case <-allDone:
-			return devs
+	return devs
+	/*
+		statusChan := make(chan *DeviceStatus)
+		c.Devices.Lock()
+		for a, dm := range c.Devices.Managers {
+			wg.Add(1)
+			go c.DevStatus(statusChan, a, dm)
 		}
-	}
+		c.Devices.Unlock()
+		allDone := make(chan struct{})
+		go func() {
+			wg.Wait()
+			allDone <- struct{}{}
+		}() // once all the status are sent we send all done on the chan
+		for {
+			select {
+			case s := <-statusChan:
+				fmt.Printf("%v is %v\n", s.Type, s.Status)
+				/*
+				   data := strings.Split(s.Data,",") // T:10C,H:102% -> T:10C H:10%
+				   for _, m := range data {
+				       var meas string
+				       splt := strings.Split(m,":") // T 10C or H 10%
+				       if splt[0] == "T" {
+				           meas = "Temperature"
+				       } else if splt[0] == "H" {
+				           meas = "Humidity"
+				       }
+				       val, err := strconv.ParseFloat(strings.Trim(splt[1]," %C\n"), 64)
+				       if err != nil {
+				           panic(err)
+				       }
+				       p := influxdb2.NewPoint("measurements",map[string]string{"type":meas},map[string]interface{}{"val":val},time.Now())
+				       if err := api.WritePoint(context.Background(), p); err != nil {
+				           panic(err)
+				       }
+				   }
+				   devs = append(devs,&pb.Device{Addr:int32(s.Addr),Type:s.Type,Status:s.Status,Data:s.Data})
+	*/
+	/*
+				wg.Done()
+			case <-allDone:
+				return devs
+			}
+		}
+	*/
 }
 
 // grpc status update handler
 func (c *Coordinator) Ping() {
 	// sends all device status to central coordinator
+	fmt.Printf("Pinging cc\n")
 	devs := c.GetStatus()
-	req := &pb.ReactorStatusPing{Id: uint32(c.ID), Devices: devs}
+	req := &pb.ReactorStatusPing{Id: int32(c.ID), Devices: devs}
 	_, err := c.MonitoringClient.ReactorStatusHandler(context.Background(), req)
 	if err != nil {
 		c.Err <- err
diff --git a/internal/pkg/reactor/rlcoordinator.go b/internal/pkg/reactor/rlcoordinator.go
index e42aae9..1816b42 100644
--- a/internal/pkg/reactor/rlcoordinator.go
+++ b/internal/pkg/reactor/rlcoordinator.go
@@ -7,7 +7,6 @@ import (
 	pb "FRMS/internal/pkg/grpc"
 	"FRMS/internal/pkg/influxdb"
 	"FRMS/internal/pkg/logging"
-	"FRMS/internal/pkg/sensor"
 	"FRMS/internal/pkg/system"
 	"context"
 	"errors"
@@ -51,7 +50,9 @@ type Coordinator struct {
 	Config           *viper.Viper
 	MonitoringClient pb.MonitoringClient
 	// connected devices
-	Devices   *DeviceManagers // struct for locking
+	*Devices // struct for locking
+	*Sensors
+	// other stuff and things
 	Err       chan error
 	mu        sync.Mutex
 	HB        time.Duration
@@ -67,7 +68,19 @@ type active struct {
 	sync.Mutex
 }
 
-type DeviceManagers struct {
+type Sensors struct {
+	Managers map[int]SensorManager
+	sync.Mutex
+}
+
+type SensorManager interface {
+	Start()
+	GetType() string
+	GetStatus() string
+	GetData() string
+}
+
+type Devices struct {
 	Managers map[int]DeviceManager
 	sync.Mutex
 }
@@ -84,19 +97,19 @@ type DeviceManager interface {
 type I2CDev interface {
 	GetAddr() int
 	GetData() string
-	GetStatus() string
+	GetStatus() bool
 	GetType() string
 }
 
-func NewDeviceManager(i2c I2CDev) DeviceManager {
-	return sensor.NewDeviceManager(i2c)
-}
+//func NewDeviceManager(i2c I2CDev) DeviceManager {
+//return sensor.NewDeviceManager(i2c)
+//}
 
 type I2CMonitor interface {
 	Monitor()
 	GetDevice(int) interface {
 		GetAddr() int
-		GetStatus() string
+		GetStatus() bool
 		GetData() string
 		GetType() string
 	}
@@ -107,9 +120,13 @@ func NewI2CMonitor(b int, ch chan int) I2CMonitor {
 }
 
 func NewCoordinator(config *viper.Viper, ch chan error) *Coordinator {
-	sen := new(DeviceManagers)
-	sen.Managers = make(map[int]DeviceManager)
-	c := &Coordinator{Err: ch, Devices: sen, Config: config}
+	// sensor/device manager struct
+	dm := new(Devices)
+	dm.Managers = make(map[int]DeviceManager)
+	sm := new(Sensors)
+	sm.Managers = make(map[int]SensorManager)
+
+	c := &Coordinator{Err: ch, Devices: dm, Sensors: sm, Config: config}
 	c.HB = time.Duration(5 * time.Second)
 
 	// this is going to be scuffed
@@ -204,13 +221,14 @@ func (c *Coordinator) DeviceConnect(i2c I2CDev) {
 	c.Devices.Lock()
 	defer c.Devices.Unlock()
 	addr := i2c.GetAddr()
-	if dm, exists := c.Devices.Managers[addr]; !exists {
-		dm := NewDeviceManager(i2c)
-		c.Devices.Managers[addr] = dm
-		go dm.Start()
-	} else {
-		go dm.Start()
-	}
+	fmt.Printf("Device %d (%x) found!\n", addr, addr)
+	//if dm, exists := c.Devices.Managers[addr]; !exists {
+	//dm := NewDeviceManager(i2c)
+	//c.Devices.Managers[addr] = dm
+	//go dm.Start()
+	//} else {
+	//go dm.Start()
+	//}
 }
 
 func (c *Coordinator) Discover() {
diff --git a/internal/pkg/sensor/do_sensor.go b/internal/pkg/sensor/do_sensor.go
new file mode 100644
index 0000000..b937220
--- /dev/null
+++ b/internal/pkg/sensor/do_sensor.go
@@ -0,0 +1,45 @@
+package sensor
+
+// do sensor and methods
+
+import (
+	pb "FRMS/internal/pkg/grpc"
+	"errors"
+	"sync"
+
+	"github.com/spf13/viper"
+)
+
+type DOSensorManager struct {
+	// do sensor manager
+	Sensor *pb.Sensor // for sending/updating
+	sync.RWMutex
+}
+
+func (s *DOSensorManager) SetName(name string) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *DOSensorManager) SetStatus(status int) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *DOSensorManager) SetSampleRate(rate int) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *DOSensorManager) Update(sensor *pb.Sensor, config *viper.Viper) error {
+	// updates info
+	s.Lock()
+	defer s.Unlock()
+	s.Sensor = sensor
+	return errors.New("UNIMPL")
+}
+
+func (s *DOSensorManager) String() string {
+	// #TODO
+	return "TODO"
+}
diff --git a/internal/pkg/sensor/manager.go b/internal/pkg/sensor/manager.go
index 12e5270..58de1da 100644
--- a/internal/pkg/sensor/manager.go
+++ b/internal/pkg/sensor/manager.go
@@ -3,12 +3,10 @@ package sensor
 import (
 	_ "FRMS/internal/pkg/I2C"
 	_ "fmt"
-	"log"
-	"strings"
-	"sync"
-	"time"
 )
 
+/*
+// I think most of this is unnessecary as hell
 type Manager struct {
 	*Dev
 	I2CDevice
@@ -26,14 +24,13 @@ type Dev struct {
 	// last known values
 	Addr   int
 	Type   string
-	Status string // could be more efficient but to hell with it
+	Status int // could be more efficient but to hell with it
 	Data   string
 }
 
 type I2CDevice interface {
 	// basic device info
-	GetAddr() int
-	GetStatus() string
+	GetStatus() bool
 	GetType() string
 	GetData() string
 }
@@ -112,3 +109,4 @@ func (a *Active) IsActive() bool {
 	defer a.Unlock()
 	return a.bool
 }
+*/
diff --git a/internal/pkg/sensor/mappings.go b/internal/pkg/sensor/mappings.go
index 79ff4c9..cfca596 100644
--- a/internal/pkg/sensor/mappings.go
+++ b/internal/pkg/sensor/mappings.go
@@ -1,36 +1,66 @@
 package sensor
 
 import (
+	pb "FRMS/internal/pkg/grpc"
+	"errors"
 	"fmt"
-	"sync"
+
+	"github.com/spf13/viper"
 )
 
 /*
-	this file serves as a map that the sensor library can use to determine which manager to call
+Returns the correct manager for sensor/device
 */
-
-type NewManager interface {
-	// serves as interface to restrict managers can be relocated
+type SensorManager interface {
+	// basic sensor stuff
+	SetName(string) error                  // change display name
+	SetStatus(int) error                   // update status
+	SetSampleRate(int) error               // update sample rate
+	Update(*pb.Sensor, *viper.Viper) error // write updates
+	String() string                        // printable
 }
 
-type DM struct {
-	DeviceManagers map[uint]NewManager
-	sync.Mutex
+type DeviceManager interface {
+	// basic device stuff
+	SetName(string) error                  // change displayed name
+	SetStatus(int) error                   // status change
+	SetParameter(string, string) error     // key, val
+	Update(*pb.Device, *viper.Viper) error // write updates
+	String() string                        // printable
 }
 
-func NewManagerDirectory() *DM {
-	m := map[uint]NewManager{
-		// map to set functions up
-		//112: NewDOManager(),
+func NewSensorManager(sensor *pb.Sensor) (SensorManager, error) {
+	// returns correct sensor manager by ID
+	var sm SensorManager
+	var err error
+
+	switch id := sensor.GetAddr(); id {
+	case 97:
+		// DO
+		sm = &DOSensorManager{Sensor: sensor}
+	case 99:
+		// pH
+		sm = &PHSensorManager{Sensor: sensor}
+	case 102:
+		// RTD
+		sm = &RTDSensorManager{Sensor: sensor}
+	default:
+		err = errors.New(fmt.Sprintf("Error: sensor id %v unrecognized!", id))
 	}
-	return &DM{DeviceManagers: m}
+	return sm, err
 }
 
-func (d *DM) GetManager(addr uint) (NewManager, error) {
-	d.Lock()
-	defer d.Unlock()
-	if m, ok := d.DeviceManagers[addr]; ok {
-		return m, nil
+func NewDeviceManager(device *pb.Device) (DeviceManager, error) {
+	// returns correct device manager by ID
+	var dm DeviceManager
+	var err error
+
+	switch id := device.GetAddr(); id {
+	case 256:
+		// PWM
+		dm = &PWMDeviceManager{Device: device}
+	default:
+		err = errors.New(fmt.Sprintf("Error: device id %v unrecognized!", id))
 	}
-	return &DM{}, fmt.Errorf("No manager found for address %d!", addr)
+	return dm, err
 }
diff --git a/internal/pkg/sensor/ph_sensor.go b/internal/pkg/sensor/ph_sensor.go
new file mode 100644
index 0000000..f5bb1aa
--- /dev/null
+++ b/internal/pkg/sensor/ph_sensor.go
@@ -0,0 +1,45 @@
+package sensor
+
+// do sensor and methods
+
+import (
+	pb "FRMS/internal/pkg/grpc"
+	"errors"
+	"sync"
+
+	"github.com/spf13/viper"
+)
+
+type PHSensorManager struct {
+	// do sensor manager
+	Sensor *pb.Sensor // for sending/updating
+	sync.RWMutex
+}
+
+func (s *PHSensorManager) SetName(name string) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *PHSensorManager) SetStatus(status int) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *PHSensorManager) SetSampleRate(rate int) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *PHSensorManager) Update(sensor *pb.Sensor, config *viper.Viper) error {
+	// updates info
+	s.Lock()
+	defer s.Unlock()
+	s.Sensor = sensor
+	return errors.New("UNIMPL")
+}
+
+func (s *PHSensorManager) String() string {
+	// #TODO
+	return "TODO"
+}
diff --git a/internal/pkg/sensor/pwm_device.go b/internal/pkg/sensor/pwm_device.go
new file mode 100644
index 0000000..619faac
--- /dev/null
+++ b/internal/pkg/sensor/pwm_device.go
@@ -0,0 +1,45 @@
+package sensor
+
+// do sensor and methods
+
+import (
+	pb "FRMS/internal/pkg/grpc"
+	"errors"
+	"sync"
+
+	"github.com/spf13/viper"
+)
+
+type PWMDeviceManager struct {
+	// do sensor manager
+	Device *pb.Device // for sending/updating
+	sync.RWMutex
+}
+
+func (s *PWMDeviceManager) SetName(name string) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *PWMDeviceManager) SetStatus(status int) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *PWMDeviceManager) SetParameter(key, val string) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *PWMDeviceManager) Update(device *pb.Device, config *viper.Viper) error {
+	// updates info
+	s.Lock()
+	defer s.Unlock()
+	s.Device = device
+	return errors.New("UNIMPL")
+}
+
+func (s *PWMDeviceManager) String() string {
+	// #TODO
+	return "TODO"
+}
diff --git a/internal/pkg/sensor/rtd_sensor.go b/internal/pkg/sensor/rtd_sensor.go
new file mode 100644
index 0000000..2bb40c3
--- /dev/null
+++ b/internal/pkg/sensor/rtd_sensor.go
@@ -0,0 +1,45 @@
+package sensor
+
+// do sensor and methods
+
+import (
+	pb "FRMS/internal/pkg/grpc"
+	"errors"
+	"sync"
+
+	"github.com/spf13/viper"
+)
+
+type RTDSensorManager struct {
+	// do sensor manager
+	Sensor *pb.Sensor // for sending/updating
+	sync.RWMutex
+}
+
+func (s *RTDSensorManager) SetName(name string) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *RTDSensorManager) SetStatus(status int) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *RTDSensorManager) SetSampleRate(rate int) error {
+	// #TODO
+	return errors.New("UNIMPL")
+}
+
+func (s *RTDSensorManager) Update(sensor *pb.Sensor, config *viper.Viper) error {
+	// updates info
+	s.Lock()
+	defer s.Unlock()
+	s.Sensor = sensor
+	return errors.New("UNIMPL")
+}
+
+func (s *RTDSensorManager) String() string {
+	// #TODO
+	return "TODO"
+}
diff --git a/internal/pkg/sensor/sensor.go b/internal/pkg/sensor/sensor.go
deleted file mode 100644
index fe00d5c..0000000
--- a/internal/pkg/sensor/sensor.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package sensor
-
-import (
-    _ "fmt"
-)
-
diff --git a/internal/pkg/server/reactormanager.go b/internal/pkg/server/reactormanager.go
index f96c55e..a469501 100644
--- a/internal/pkg/server/reactormanager.go
+++ b/internal/pkg/server/reactormanager.go
@@ -3,10 +3,13 @@ package server
 import (
 	pb "FRMS/internal/pkg/grpc"
 	"FRMS/internal/pkg/logging"
+	"FRMS/internal/pkg/sensor"
 	"context"
 	"fmt"
 	_ "log"
 	"sync"
+
+	"github.com/spf13/viper"
 )
 
 // this package will implement a reactor manager and associated go routines
@@ -14,21 +17,33 @@ import (
 type ReactorManager struct {
 	*Manager
 	//	StatusMon *StatusMonitor putting on pause
-	*devstatus
+	*ReactorSensors
+	*ReactorDevices
+	Config *viper.Viper // config to update
+}
+
+type ReactorSensors struct {
+	// sensor struct
+	Sensors map[int]SensorManager
+	sync.RWMutex
 }
 
-type devstatus struct {
-	// keeping this around but not using it to create status for status mon
-	sync.Mutex
-	Devs map[int]*DeviceInfo
+type ReactorDevices struct {
+	// device struct
+	Devices map[int]DeviceManager
+	sync.RWMutex
 }
 
 func NewReactorManager(err chan error) *ReactorManager {
 	r := &ReactorManager{}
-	di := make(map[int]*DeviceInfo)
-	r.devstatus = &devstatus{Devs: di}
+	// sub managers
+	dm := make(map[int]DeviceManager)
+	sm := make(map[int]SensorManager)
+	r.ReactorDevices = &ReactorDevices{Devices: dm}
+	r.ReactorSensors = &ReactorSensors{Sensors: sm}
+	// core manager
 	r.Manager = NewManager(err)
-	//r.StatusMon = NewStatusMonitor("Reactor", c.Id, sys)
+
 	return r
 }
 
@@ -41,38 +56,94 @@ func (r *ReactorManager) Exit() {
 	r.Manager.Exit()
 	logging.Debug(logging.DExit, "RMA %v exiting", r.Id)
 	//go r.StatusMon.Send(&DeviceInfo{Id: r.Id, Type: "Reactor", Status: "[red]OFFLINE[white]", Data: fmt.Sprintf("Last Seen %v", time.Now().Format("Mon at 03:04:05pm MST"))}, "Reactor")
-	r.devstatus.Lock()
-	defer r.devstatus.Unlock()
-	// keeping this because it **COULD** be useful, maybe
-	for _, d := range r.Devs {
-		newd := d
-		newd.Status = "UNKOWN"
-		r.Devs[newd.Id] = newd
-		//go r.StatusMon.Send(newd, "Device")
-	}
 }
 
 func (r *ReactorManager) ReactorStatusHandler(ctx context.Context, req *pb.ReactorStatusPing) (*pb.ReactorStatusResponse, error) {
 	// function client will call to update reactor information
 	//go r.PingReset()
 	fmt.Printf("Recieved ping from %v!\n", req.GetId())
-	for _, dev := range req.GetDevices() {
-		d := &DeviceInfo{Id: int(dev.GetAddr()), Type: dev.GetName(), Status: dev.GetStatus().String(), Data: dev.GetData()}
-		go r.UpdateDevice(d)
-	}
+	// update devices/sensors
+	go r.UpdateSensors(req.GetSensors())
+	go r.UpdateDevices(req.GetDevices())
+
 	return &pb.ReactorStatusResponse{Id: int32(r.Id)}, nil
 }
 
-func (r *ReactorManager) UpdateDevice(d *DeviceInfo) {
-	r.devstatus.Lock()
-	defer r.devstatus.Unlock()
-	if olddev, ok := r.Devs[d.Id]; !ok {
-		// new device
-		r.Devs[d.Id] = d
-		//go r.StatusMon.Send(d, "Device")
-	} else if olddev.Status != d.Status || olddev.Data != d.Data {
-		// dev status or data has changed
-		r.Devs[d.Id] = d
-		//go r.StatusMon.Send(d, "Device")
+// sensor/device stuff
+
+type SensorManager interface {
+	SetName(string) error                  // change name
+	SetSampleRate(int) error               // change sample rate
+	Update(*pb.Sensor, *viper.Viper) error // write updates
+	String() string                        // printing
+}
+
+type DeviceManager interface {
+	SetName(string) error                  // change name
+	SetParameter(string, string) error     // key, val
+	Update(*pb.Device, *viper.Viper) error // write updates
+	String() string                        // printing
+}
+
+func NewSensorManager(sens *pb.Sensor) (SensorManager, error) {
+	// returns a manager struct
+	return sensor.NewSensorManager(sens)
+}
+
+func NewDeviceManager(device *pb.Device) (DeviceManager, error) {
+	// returns a manager struct
+	return sensor.NewDeviceManager(device)
+}
+
+func (r *ReactorManager) UpdateDevices(devs []*pb.Device) {
+	// pass updates to correct manager
+	r.ReactorDevices.RLock() // read lock only
+	defer r.ReactorDevices.RUnlock()
+
+	for _, dev := range devs {
+		// looping over devs
+		if dm, ok := r.ReactorDevices.Devices[int(dev.GetAddr())]; ok {
+			// device manager found
+			go dm.Update(dev, r.Config) // update dm
+		} else {
+			// not found
+			go r.AddDevice(dev, r.Err)
+		}
+	}
+}
+
+func (r *ReactorDevices) AddDevice(dev *pb.Device, errCh chan error) {
+	r.Lock() // write lock
+	defer r.Unlock()
+	dm, err := NewDeviceManager(dev)
+	if err != nil {
+		errCh <- err
+	}
+	r.Devices[int(dev.GetAddr())] = dm
+}
+
+func (r *ReactorManager) UpdateSensors(sensors []*pb.Sensor) {
+	// pass updates to correct manager
+	r.ReactorSensors.RLock() // read lock
+	defer r.ReactorSensors.RUnlock()
+	for _, sens := range sensors {
+		// looping over sensors
+		if sm, ok := r.ReactorSensors.Sensors[int(sens.GetAddr())]; ok {
+			// sensor manager found
+			go sm.Update(sens, r.Config) // update sm
+		} else {
+			// not found
+			go r.AddSensor(sens, r.Err)
+		}
+	}
+}
+
+func (r *ReactorSensors) AddSensor(sensor *pb.Sensor, errCh chan error) {
+	r.Lock() // write lock
+	defer r.Unlock()
+	sm, err := NewSensorManager(sensor)
+	if err != nil {
+		errCh <- err
 	}
+	r.Sensors[int(sensor.GetAddr())] = sm
 }
diff --git a/internal/pkg/server/system.go b/internal/pkg/server/system.go
index e30ade3..11d1c3f 100644
--- a/internal/pkg/server/system.go
+++ b/internal/pkg/server/system.go
@@ -2,18 +2,9 @@ package server
 
 import (
 	_ "fmt"
+	// sensor components
 )
 
-// allows for multiple readers/writers
-type DeviceInfo struct {
-	Id            int
-	Type          string
-	Status        string
-	Data          string
-	Index         int
-	TransactionId uint32
-}
-
 /*
 
 type StatusMonitor struct {