diff --git a/mote/v2/avr/ctrl.c b/mote/v2/avr/ctrl.c
index 27a4a25..cc6154b 100644
--- a/mote/v2/avr/ctrl.c
+++ b/mote/v2/avr/ctrl.c
@@ -40,6 +40,9 @@ extern struct version_struct version;
 extern struct event_struct EEMEM EEPROM_event;
 extern struct event_struct event;
 
+extern uint8_t EEMEM EEPROM_enabled;
+extern uint8_t enabled;
+
 extern uint8_t EEMEM EEPROM_phy_to_log[MAX_SENSORS];
 extern uint8_t phy_to_log[MAX_SENSORS];
 
@@ -284,6 +287,12 @@ void ctrlCmdGet(uint8_t cmd)
 		ctrlWriteCharToTxBuffer(version.sw_minor);
 		break;
 
+	case 'e':		/* port enabled | disabled */
+		ctrlReadCharFromRxBuffer(&i);
+		ctrlWriteCharToTxBuffer(i);
+		ctrlWriteCharToTxBuffer((enabled >> i) & 0x01);
+		break;
+
 	case 'p':		/* phy-to-logical mapping */
 		for (i = 0 ; i < MAX_SENSORS; i++) {
 			ctrlWriteCharToTxBuffer(phy_to_log[i]);
@@ -358,6 +367,21 @@ void ctrlCmdSet(uint8_t cmd)
 		ctrlWriteCharToTxBuffer(version.sw_minor);
 		break;
 
+	case 'e':		/* port enabled | disabled */
+		ctrlReadCharFromRxBuffer(&i);
+		ctrlReadCharFromRxBuffer(&tmp8);
+
+		if (tmp8) {
+			enabled |= (1 << i);
+		}
+		else {
+			enabled &= ~(1 << i);
+		}
+
+		ctrlWriteCharToTxBuffer(i);
+		ctrlWriteCharToTxBuffer((enabled >> i) & 0x01);
+		break;
+
 	case 'p':		/* phy-to-logical mapping */
 		for (i = 0 ; i < MAX_SENSORS; i++) {
 			ctrlReadCharFromRxBuffer(&tmp8);
@@ -421,6 +445,7 @@ void ctrlCmdCommit(void)
 	cli();
 	eeprom_write_block((const void*)&version, (void*)&EEPROM_version, sizeof(version));
 	eeprom_write_block((const void*)&event, (void*)&EEPROM_event, sizeof(event));
+	eeprom_write_block((const void*)&enabled, (void*)&EEPROM_enabled, sizeof(enabled));
 	eeprom_write_block((const void*)&phy_to_log, (void*)&EEPROM_phy_to_log, sizeof(phy_to_log));
 	eeprom_write_block((const void*)&sensor, (void*)&EEPROM_sensor, sizeof(sensor));
 	sei();
diff --git a/mote/v2/avr/global.h b/mote/v2/avr/global.h
index 79dd61d..ae82c25 100644
--- a/mote/v2/avr/global.h
+++ b/mote/v2/avr/global.h
@@ -40,5 +40,7 @@
 #define CYCLES_PER_US ((F_CPU+500000)/1000000) 	// cpu cycles per microsecond
 
 #define MAX_SENSORS 6
+#define ENABLE_ALL_SENSORS ((1 << MAX_SENSORS) - 1)
+#define DISABLE_ALL_SENSORS 0x00
 
 #endif
diff --git a/mote/v2/avr/main.c b/mote/v2/avr/main.c
index cbaa0d3..43a7b08 100644
--- a/mote/v2/avr/main.c
+++ b/mote/v2/avr/main.c
@@ -47,6 +47,9 @@ struct version_struct version;
 struct event_struct EEMEM EEPROM_event = {0, 0};
 struct event_struct event;
 
+uint8_t EEMEM EEPROM_enabled = DISABLE_ALL_SENSORS;
+uint8_t enabled;
+
 uint8_t EEMEM EEPROM_phy_to_log[MAX_SENSORS] = {0, 1, 2, 3, 4, 5};
 uint8_t phy_to_log[MAX_SENSORS];
 
@@ -160,9 +163,10 @@ ISR(INT0_vect)
 {
 	DBG_ISR_BEGIN();
 
-	uint8_t muxn_l = phy_to_log[3];
+	uint8_t muxn_l = phy_to_log[PORT_PULSE_1];
 
-	register_pulse(&sensor[muxn_l], &state[muxn_l]);
+	if (enabled & (1 << PORT_PULSE_1))
+		register_pulse(&sensor[muxn_l], &state[muxn_l]);
 
 	DBG_ISR_END();
 }
@@ -171,9 +175,10 @@ ISR(INT1_vect)
 {
 	DBG_ISR_BEGIN();
 
-	uint8_t muxn_l = phy_to_log[4];
+	uint8_t muxn_l = phy_to_log[PORT_PULSE_2];
 
-	register_pulse(&sensor[muxn_l], &state[muxn_l]);
+	if (enabled & (1 << PORT_PULSE_2))
+		register_pulse(&sensor[muxn_l], &state[muxn_l]);
 
 	DBG_ISR_END();
 }
@@ -189,24 +194,26 @@ ISR(TIMER1_COMPA_vect)
 {
 	DBG_ISR_BEGIN();
 
-	uint8_t muxn_l = phy_to_log[muxn];
-	
-	MacU16X16to32(state[muxn_l].nano, sensor[muxn_l].meterconst, ADC);
+	if (enabled & (1 << muxn)) {
+		uint8_t muxn_l = phy_to_log[muxn];
 
-	if (state[muxn_l].nano > WATT) {
-		sensor[muxn_l].counter++;
+		MacU16X16to32(state[muxn_l].nano, sensor[muxn_l].meterconst, ADC);
 
-		state[muxn_l].flags |= STATE_PULSE;
-		state[muxn_l].nano -= WATT;
-		state[muxn_l].pulse_count++;
-	}
+		if (state[muxn_l].nano > WATT) {
+			sensor[muxn_l].counter++;
 
-	if ((timer == SECOND) && (muxn == muxn_l)) {
-		state[muxn].nano_start = state[muxn].nano_end;
-		state[muxn].nano_end = state[muxn].nano;
-		state[muxn].pulse_count_final = state[muxn].pulse_count;
-		state[muxn].pulse_count = 0;
-		state[muxn].flags |= STATE_POWER_CALC;
+			state[muxn_l].flags |= STATE_PULSE;
+			state[muxn_l].nano -= WATT;
+			state[muxn_l].pulse_count++;
+		}
+
+		if ((timer == SECOND) && !(state[muxn_l].flags & STATE_POWER_CALC)) {
+			state[muxn_l].nano_start = state[muxn_l].nano_end;
+			state[muxn_l].nano_end = state[muxn_l].nano;
+			state[muxn_l].pulse_count_final = state[muxn_l].pulse_count;
+			state[muxn_l].pulse_count = 0;
+			state[muxn_l].flags |= STATE_POWER_CALC;
+		}
 	}
 
 	/* Cycle through the available ADC input channels (0/1/2). */
@@ -253,6 +260,7 @@ void setup_datastructs(void)
 {
 	eeprom_read_block((void*)&version, (const void*)&EEPROM_version, sizeof(version));
 	eeprom_read_block((void*)&event, (const void*)&EEPROM_event, sizeof(event));
+	eeprom_read_block((void*)&enabled, (const void*)&EEPROM_enabled, sizeof(enabled));
 	eeprom_read_block((void*)&phy_to_log, (const void*)&EEPROM_phy_to_log, sizeof(phy_to_log));
 	eeprom_read_block((void*)&sensor, (const void*)&EEPROM_sensor, sizeof(sensor));
 }
diff --git a/mote/v2/avr/main.h b/mote/v2/avr/main.h
index 5ec38f7..4289d08 100644
--- a/mote/v2/avr/main.h
+++ b/mote/v2/avr/main.h
@@ -5,6 +5,9 @@ struct version_struct {
 	uint8_t  sw_minor;
 };
 
+#define PORT_PULSE_1		3
+#define PORT_PULSE_2		4
+
 #define SPI_NO_OP_1		0x01
 #define SPI_NO_OP_2		0x02
 #define SPI_START_TX		0x04
diff --git a/mote/v2/openwrt/package/flukso/luasrc/flukso/spi.lua b/mote/v2/openwrt/package/flukso/luasrc/flukso/spi.lua
index e60cceb..56d0e6c 100644
--- a/mote/v2/openwrt/package/flukso/luasrc/flukso/spi.lua
+++ b/mote/v2/openwrt/package/flukso/luasrc/flukso/spi.lua
@@ -87,6 +87,9 @@ function encode(msg)
 	if noarg_cmd[msg.parsed.cmd] then
 		msg.encoded = msg.parsed.cmd
 
+	elseif msg.parsed.cmd == 'ge' and argcheck(1) then
+		msg.encoded = msg.parsed.cmd .. numtohex(msg.parsed[1], 1)
+
 	elseif msg.parsed.cmd == 'gc' and argcheck(1) then
 		msg.encoded = msg.parsed.cmd .. numtohex(msg.parsed[1], 1)
 
@@ -101,6 +104,10 @@ function encode(msg)
 		msg.encoded = msg.parsed.cmd .. numtohex(msg.parsed[1], 1)
                                              .. numtohex(msg.parsed[2], 1)
 
+	elseif msg.parsed.cmd == 'se' and argcheck(2) then
+		msg.encoded = msg.parsed.cmd .. numtohex(msg.parsed[1], 1)
+                                             .. numtohex(msg.parsed[2], 1)
+
 	elseif msg.parsed.cmd == 'sp' and argcheck(6) then
 		msg.encoded = msg.parsed.cmd
 
@@ -177,7 +184,7 @@ function decode(msg)
 		msg.decoded.cmd  = msg.received.l:sub(1,  2)
 		msg.decoded.args = msg.received.l:sub(3, -1)
 
-		if msg.decoded.cmd == 'gd' then
+		if msg.decoded.cmd == 'gd' and msg.decoded.args ~= '' then
 			for i = 1, msg.decoded.args:len() / 18 do
 				msg.decoded[(i-1)*3 + 1] =
 					hextonum(msg.decoded.args:sub((i-1)*18 +  1, (i-1)*18 +  2))
@@ -201,6 +208,12 @@ function decode(msg)
 
 			msg.decoded.ctrl = msg.decoded.cmd .. ' ' .. table.concat(msg.decoded, ' ')
 
+		elseif msg.decoded.cmd == 'ge' or msg.decoded.cmd == 'se' then
+			msg.decoded[1] = hextonum(msg.decoded.args:sub(1, 2))
+			msg.decoded[2] = hextonum(msg.decoded.args:sub(3, 4))
+
+			msg.decoded.ctrl = msg.decoded.cmd .. ' ' .. table.concat(msg.decoded, ' ')
+
 		elseif msg.decoded.cmd == 'gp' or msg.decoded.cmd == 'sp' then
 			for i = 1, MAX_SENSORS do
 				msg.decoded[i] = hextonum(msg.decoded.args:sub(i*2 - 1, i*2))