diff --git a/binaries/AP_FW_1.54.bin b/binaries/AP_FW_1.54.bin
new file mode 100644
index 00000000..dcc86d33
Binary files /dev/null and b/binaries/AP_FW_1.54.bin differ
diff --git a/binaries/AP_FW_Nodisplay.bin b/binaries/AP_FW_Nodisplay.bin
index 917c8016..10213230 100644
Binary files a/binaries/AP_FW_Nodisplay.bin and b/binaries/AP_FW_Nodisplay.bin differ
diff --git a/binaries/AP_FW_Segmented_UK.bin b/binaries/AP_FW_Segmented_UK.bin
index 54b6d280..8dd0effd 100644
Binary files a/binaries/AP_FW_Segmented_UK.bin and b/binaries/AP_FW_Segmented_UK.bin differ
diff --git a/zbs243_AP_FW/APDisplay.c b/zbs243_AP_FW/APDisplay.c
index 0ad145fc..abf18fb2 100755
--- a/zbs243_AP_FW/APDisplay.c
+++ b/zbs243_AP_FW/APDisplay.c
@@ -19,10 +19,12 @@
 #include "uart.h"
 #include "wdt.h"
 
-// #if (HAS_SCREEN == 1)
-
 uint8_t updateCount = 1;
+extern uint8_t __xdata curChannel;
+extern uint8_t __xdata curPendingData;
+extern uint8_t __xdata curNoUpdate;
 
+#if (SCREEN_WIDTH == 1)
 void epdInitialize() {
     epdEnable();
     pr("Setting up EPD\n");
@@ -36,11 +38,6 @@ void epdInitialize() {
     timerDelay(1333);
 }
 
-extern uint8_t __xdata curChannel;
-
-extern uint8_t __xdata curPendingData;
-extern uint8_t __xdata curNoUpdate;
-
 void epdShowRun() {
     epdClear();
     epdSetPos(0);
@@ -71,4 +68,28 @@ void epdShowRun() {
     }
 }
 
+#endif
+
+#if (SCREEN_WIDTH != 1)
+
+void epdInitialize() {
+    epdConfigGPIO(true);
+    spiInit();
+    epdSetup();
+}
+
+void epdShowRun() {
+    // return;
+    wdt60s();
+    selectLUT(EPD_LUT_NO_REPEATS);
+    clearScreen();
+    setColorMode(EPD_MODE_NORMAL, EPD_MODE_INVERT);
+    epdPrintBegin(16, 55, EPD_DIRECTION_X, EPD_SIZE_DOUBLE, EPD_COLOR_BLACK);
+    epdpr("AP Mode");
+    epdPrintEnd();
+    drawNoWait();
+}
+
+#endif
+
 #endif
\ No newline at end of file
diff --git a/zbs243_AP_FW/Makefile b/zbs243_AP_FW/Makefile
index a1aa836e..ea233c4b 100644
--- a/zbs243_AP_FW/Makefile
+++ b/zbs243_AP_FW/Makefile
@@ -5,6 +5,8 @@ BUILD		?= zbs29v033
 SOURCES         += main.c
 SOURCES		+= comms.c
 SOURCES		+= APDisplay.c
+SOURCES		+= barcode.c
+SOURCES		+= emulateTag.c
 
 all:	#make sure it is the first target
 
diff --git a/zbs243_AP_FW/builder.php b/zbs243_AP_FW/builder.php
index d93607f6..21af91eb 100644
--- a/zbs243_AP_FW/builder.php
+++ b/zbs243_AP_FW/builder.php
@@ -23,7 +23,7 @@ $stackdisturbed = false;
 $mem = checkmem();
 while(1){
 	$errlist = array();
-	exec("make BUILD=zbs29v033 CPU=8051 SOC=zbs243 2>&1 | grep error | grep -v make", $errlist);
+	exec("make BUILD=zbs154v033 CPU=8051 SOC=zbs243 2>&1 | grep error | grep -v make", $errlist);
 	if(checkmem()!=$mem){
 		$stackdisturbed = true;
 		echo "Stack size was $mem, is now ".checkmem()." !!!\n";
diff --git a/zbs243_AP_FW/buildfw.sh b/zbs243_AP_FW/buildfw.sh
index 37ee6f35..f91368c5 100755
--- a/zbs243_AP_FW/buildfw.sh
+++ b/zbs243_AP_FW/buildfw.sh
@@ -12,7 +12,7 @@ make BUILD=zbs_nodisplay CPU=8051 SOC=zbs243 > /dev/null
 mv main.bin ../binaries/AP_FW_Nodisplay.bin -v
 make clean > /dev/null
 
-echo -e "\n\nBuilding 2.9 version..."
-make BUILD=zbs29v033 CPU=8051 SOC=zbs243 > /dev/null
-mv main.bin ../binaries/AP_FW_2.9.bin -v
+echo -e "\n\nBuilding 1.54 version..."
+make BUILD=zbs154v033 CPU=8051 SOC=zbs243 > /dev/null
+mv main.bin ../binaries/AP_FW_1.54.bin -v
 make clean > /dev/null
diff --git a/zbs243_AP_FW/emulateTag.c b/zbs243_AP_FW/emulateTag.c
new file mode 100755
index 00000000..4c8d2bd7
--- /dev/null
+++ b/zbs243_AP_FW/emulateTag.c
@@ -0,0 +1,124 @@
+#define __packed
+#include "board.h"
+
+#if (HAS_SCREEN == 1 && AP_EMULATE_TAG == 1)
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "asmUtil.h"
+#include "comms.h"
+#include "cpu.h"
+#include "printf.h"
+#include "proto.h"
+#include "radio.h"
+#include "screen.h"
+#include "timer.h"
+#include "uart.h"
+#include "wdt.h"
+
+extern uint8_t __xdata fakeTagMac[8] = {0x0, 0x00, 0x55, 0xCE, 0xAC, 0x00, 0x00};
+extern uint8_t __xdata radiorxbuffer[];
+extern uint8_t __xdata blockbuffer[];
+extern void espNotifyAvailDataReq(const struct AvailDataReq *adr, const uint8_t *src);
+extern void espBlockRequest(const struct blockRequest *br);
+extern void espNotifyXferComplete(const uint8_t *src);
+
+extern void addCRC(void *p, uint8_t len);
+bool __xdata fakeTagTrafficPending = false;
+
+static struct AvailDataInfo __xdata ad;
+static uint8_t blockCount = 0;
+static uint32_t __xdata lastRequest = 0;
+static bool dataRequested = false;
+
+static bool validateBlockData() {
+    struct blockData *bd = (struct blockData *)blockbuffer;
+    // pr("expected len = %04X, checksum=%04X\n", bd->size, bd->checksum);
+    uint16_t t = 0;
+    for (uint16_t c = 0; c < bd->size; c++) {
+        t += bd->data[c];
+    }
+    return bd->checksum == t;
+}
+
+uint16_t epdByteCounter = 0;
+void epdWriteByte(uint8_t b) {
+    epdSend(b);
+    epdByteCounter++;
+    // check if we need to switch to a 
+    if (epdByteCounter == (SCREEN_HEIGHT * SCREEN_WIDTH / 8)) {
+        epdDeselect();
+        endWriteFramebuffer();
+        beginWriteFramebuffer(EPD_COLOR_RED);
+        epdSelect();
+    }
+}
+
+void fakeTagGetData() {
+    if ((timerGet() - lastRequest) > (1200UL * 1333)) {
+        if (dataRequested == false) {
+            if (ad.dataSize) {
+                struct blockRequest br;
+                br.blockId = blockCount;
+                br.ver = ad.dataVer;
+                espBlockRequest(&br);
+                dataRequested = true;
+            }
+        } else {
+            if (validateBlockData()) {
+                struct blockData *bd = (struct blockData *)blockbuffer;
+                if (blockCount == 0) {
+                    epdByteCounter = 0;
+                    clearScreen();
+                    selectLUT(ad.dataTypeArgument % 3);
+                    beginFullscreenImage();
+                    beginWriteFramebuffer(EPD_COLOR_BLACK);
+                    epdSelect();
+                }
+                for (uint16_t c = 0; c < bd->size; c++) {
+                    epdWriteByte(bd->data[c]);
+                }
+                ad.dataSize -= bd->size;
+                blockCount++;
+            } else {
+                // request data again!
+            }
+            if (ad.dataSize) {
+            } else {
+                epdDeselect();
+                endWriteFramebuffer();
+                espNotifyXferComplete(fakeTagMac);
+                fakeTagTrafficPending = false;
+                drawNoWait();
+            }
+            dataRequested = false;
+        }
+    }
+}
+
+void fakePendingData(struct pendingData *pd) {
+    if ((pd->availdatainfo.dataType == DATATYPE_IMG_RAW_1BPP) || (pd->availdatainfo.dataType == DATATYPE_IMG_RAW_2BPP) || (pd->availdatainfo.dataType == DATATYPE_IMG_RAW_1BPP_DIRECT)) {
+        memcpy(&ad, &(pd->availdatainfo), sizeof(struct AvailDataInfo));
+        blockCount = 0;
+        fakeTagTrafficPending = true;
+        dataRequested = false;
+    }
+}
+
+void fakeTagCheckIn() {
+    struct AvailDataReq *adr = (struct AvailDataReq *)radiorxbuffer;
+
+    memset(adr, 0, sizeof(struct AvailDataReq));
+    adr->batteryMv = 1337;
+    adr->hwType = HW_TYPE;
+    adr->lastPacketLQI = 100;
+    adr->lastPacketRSSI = 100;
+    adr->wakeupReason = 0;
+    addCRC(adr, sizeof(struct AvailDataReq));
+    espNotifyAvailDataReq(adr, fakeTagMac);
+}
+
+#endif
\ No newline at end of file
diff --git a/zbs243_AP_FW/emulateTag.h b/zbs243_AP_FW/emulateTag.h
new file mode 100755
index 00000000..a82aa600
--- /dev/null
+++ b/zbs243_AP_FW/emulateTag.h
@@ -0,0 +1,11 @@
+#ifndef _AP_EMULATE_H_
+#define _AP_EMULATE_H_
+
+void fakeTagCheckIn();
+
+extern uint8_t __xdata fakeTagMac[8];
+extern bool __xdata fakeTagTrafficPending;
+extern void fakePendingData(struct pendingData* pd);
+extern void fakeTagGetData();
+
+#endif
\ No newline at end of file
diff --git a/zbs243_AP_FW/main.c b/zbs243_AP_FW/main.c
index 897c5245..c51e3ad8 100755
--- a/zbs243_AP_FW/main.c
+++ b/zbs243_AP_FW/main.c
@@ -20,6 +20,10 @@
 #include "APDisplay.h"
 #endif
 
+#if (AP_EMULATE_TAG == 1)
+#include "emulateTag.h"
+#endif
+
 #define MAX_PENDING_MACS 50
 #define HOUSEKEEPING_INTERVAL 60UL
 
@@ -75,6 +79,8 @@ uint8_t seq = 0;                                          // holds current seque
 uint8_t __xdata blockbuffer[BLOCK_XFER_BUFFER_SIZE + 5];  // block transfer buffer
 uint8_t lastAckMac[8] = {0};
 
+uint8_t *__xdata blockXferBuffer = blockbuffer;
+
 // these variables hold the current mac were talking to
 #define CONCURRENT_REQUEST_DELAY 1200UL * TIMER_TICKS_PER_MS
 uint32_t __xdata lastBlockRequest = 0;
@@ -211,7 +217,7 @@ void countSlots() {
 extern uint8_t *__idata blockp;
 void processSerial(uint8_t lastchar) {
     static uint32_t __xdata lastSerial = 0;
-    if((timerGet() - lastSerial)>(TIMER_TICKS_PER_MS*25)){
+    if ((timerGet() - lastSerial) > (TIMER_TICKS_PER_MS * 25)) {
         RXState = ZBS_RX_WAIT_HEADER;
         lastSerial = timerGet();
     } else {
@@ -262,14 +268,23 @@ void processSerial(uint8_t lastchar) {
             if (bytesRemain == 0) {
                 if (checkCRC(serialbuffer, sizeof(struct pendingData))) {
                     struct pendingData *pd = (struct pendingData *)serialbuffer;
-                    int8_t slot = findSlotForMac(pd->targetMac);
-                    if (slot == -1) slot = findFreeSlot();
-                    if (slot != -1) {
-                        xMemCopyShort(&(pendingDataArr[slot]), serialbuffer, sizeof(struct pendingData));
+#if (AP_EMULATE_TAG == 1)
+                    if (memcmp(pd->targetMac, fakeTagMac, 8) == 0) {
+                        fakePendingData(pd);
                         pr("ACK>\n");
                     } else {
-                        pr("NOQ>\n");
+#endif
+                        int8_t slot = findSlotForMac(pd->targetMac);
+                        if (slot == -1) slot = findFreeSlot();
+                        if (slot != -1) {
+                            xMemCopyShort(&(pendingDataArr[slot]), serialbuffer, sizeof(struct pendingData));
+                            pr("ACK>\n");
+                        } else {
+                            pr("NOQ>\n");
+                        }
+#if (AP_EMULATE_TAG == 1)
                     }
+#endif
                 } else {
                     pr("NOK>\n");
                 }
@@ -284,8 +299,17 @@ void processSerial(uint8_t lastchar) {
             if (bytesRemain == 0) {
                 if (checkCRC(serialbuffer, sizeof(struct pendingData))) {
                     struct pendingData *pd = (struct pendingData *)serialbuffer;
-                    deleteAllPendingDataForVer((uint8_t *)&pd->availdatainfo.dataVer);
-                    pr("ACK>\n");
+#if (AP_EMULATE_TAG == 1)
+                    if (memcmp(pd->targetMac, fakeTagMac, 8) == 0) {
+                        fakeTagTrafficPending = false;
+                        pr("ACK>\n");
+                    } else {
+#endif
+                        deleteAllPendingDataForVer((uint8_t *)&pd->availdatainfo.dataVer);
+                        pr("ACK>\n");
+#if (AP_EMULATE_TAG == 1)
+                    }
+#endif
                 } else {
                     pr("NOK>\n");
                 }
@@ -367,10 +391,9 @@ void processBlockRequest(const uint8_t *buffer, uint8_t forceBlockDownload) {
             // mark this mac as the new current mac we're talking to
             xMemCopyShort((void *__xdata)lastBlockMac, (void *__xdata)rxHeader->src, 8);
             lastBlockRequest = timerGet();
-            // memcpy(lastBlockRequest, rxHeader->src, 8);
         } else {
             // we're talking to another mac, let this mac know we can't accomodate another request right now
-            pr("not accepting traffic from this tag\n");
+            pr("BUSY!\n");
             sendCancelXfer(rxHeader->src);
             return;
         }
@@ -594,13 +617,40 @@ void sendPong(void *__xdata buf) {
     radioTx(radiotxbuffer);
 }
 
+#if (AP_EMULATE_TAG == 1)
+void attemptFakeTagUpdate() {
+    if (memcmp(fakeTagMac, lastBlockMac, 8) == 0) {
+        lastBlockRequest = timerGet();
+        fakeTagGetData();
+    } else {
+        // we weren't talking to this mac, see if there was a transfer in progress from another mac, recently
+        if ((timerGet() - lastBlockRequest) > CONCURRENT_REQUEST_DELAY) {
+            // mark this mac as the new current mac we're talking to
+            xMemCopyShort((void *__xdata)lastBlockMac, (void *__xdata)fakeTagMac, 8);
+            lastBlockRequest = timerGet();
+            fakeTagGetData();
+        } else {
+            // we're talking to another mac, let this mac know we can't accomodate another request right now
+            pr("FAKE TAG BUSY!\n");
+        }
+    }
+}
+#endif
+
 // main loop
 void main(void) {
     clockingAndIntsInit();
     timerInit();
     boardInit();
+
     P0FUNC = 0b11001111;  // enable uart tx/rx and SPI bus functions
+
     uartInit();
+
+#if (HAS_SCREEN == 1)
+    epdInitialize();
+#endif
+
     irqsOn();
     wdt60s();
 
@@ -617,10 +667,6 @@ void main(void) {
     radioInit();
     radioRxFilterCfg(mSelfMac, 0x10000, PROTO_PAN_ID);
 
-#if (HAS_SCREEN == 1)
-    epdInitialize();
-#endif
-
     // init the "random" number generation unit
     rndSeed(mSelfMac[0] ^ (uint8_t)timerGetLowBits(), mSelfMac[1]);
     radioSetChannel(curChannel);
@@ -689,10 +735,15 @@ void main(void) {
             }
             loopCount--;
             if (loopCount == 0) {
-                #if (HAS_SCREEN == 1)
+#if (HAS_SCREEN == 1)
+
+#if (AP_EMULATE_TAG == 1)
+                if (fakeTagTrafficPending) attemptFakeTagUpdate();
+#else
                 countSlots();
                 epdShowRun();
-                #endif
+#endif
+#endif
                 wdt60s();
                 loopCount = 10000;
                 // every once in a while, especially when handling a lot of traffic, the radio will hang. Calling this every once in while
@@ -700,7 +751,9 @@ void main(void) {
                 RADIO_command = RADIO_CMD_RECEIVE;
             }
         }
-
+#if (AP_EMULATE_TAG == 1)
+        fakeTagCheckIn();
+#endif
         for (uint8_t __xdata c = 0; c < MAX_PENDING_MACS; c++) {
             if (pendingDataArr[c].attemptsLeft == 1) {
                 espNotifyTimeOut(pendingDataArr[c].targetMac);
@@ -712,4 +765,4 @@ void main(void) {
         }
         housekeepingTimer = timerGet();
     }
-}
\ No newline at end of file
+}
diff --git a/zbs243_Tag_FW/buildfw.sh b/zbs243_Tag_FW/buildfw.sh
index 446f602c..ecd94cef 100755
--- a/zbs243_Tag_FW/buildfw.sh
+++ b/zbs243_Tag_FW/buildfw.sh
@@ -1,18 +1,22 @@
 #!/bin/bash
-make clean
+make clean > /dev/null
 
-make BUILD=zbs154v033 CPU=8051 SOC=zbs243
-mv main.bin ../binaries/Tag_FW_1.54.bin
-make clean
+echo -e "\nBuilding 1.54 version..."
+make BUILD=zbs154v033 CPU=8051 SOC=zbs243 > /dev/null
+mv main.bin ../binaries/Tag_FW_1.54.bin -v
+make clean > /dev/null
 
-make BUILD=zbs29v033 CPU=8051 SOC=zbs243
-mv main.bin ../binaries/Tag_FW_2.9.bin
-make clean
+echo -e "\n\nBuilding 2.9 (SSD1619) version..."
+make BUILD=zbs29v033 CPU=8051 SOC=zbs243 > /dev/null
+mv main.bin ../binaries/Tag_FW_2.9.bin -v
+make clean > /dev/null
 
-make BUILD=zbs42v033 CPU=8051 SOC=zbs243
-mv main.bin ../binaries/Tag_FW_4.2.bin
-make clean
+echo -e "\n\nBuilding 4.2 version..."
+make BUILD=zbs42v033 CPU=8051 SOC=zbs243 > /dev/null
+mv main.bin ../binaries/Tag_FW_4.2.bin -v
+make clean > /dev/null
 
-make BUILD=zbs29_uc8151 CPU=8051 SOC=zbs243
-mv main.bin ../binaries/Tag_FW_2.9-uc8151.bin
-make clean
+echo -e "\n\nBuilding 2.9 (UC8151) version..."
+make BUILD=zbs29_uc8151 CPU=8051 SOC=zbs243 > /dev/null
+mv main.bin ../binaries/Tag_FW_2.9-uc8151.bin -v
+make clean > /dev/null
diff --git a/zbs243_shared/board/ssd1619.c b/zbs243_shared/board/ssd1619.c
index 89530ec6..dd9d6087 100644
--- a/zbs243_shared/board/ssd1619.c
+++ b/zbs243_shared/board/ssd1619.c
@@ -10,7 +10,7 @@
 #include "lut.h"
 #include "printf.h"
 #include "screen.h"
-#include "settings.h"
+//#include "settings.h"
 #include "sleep.h"
 #include "spi.h"
 #include "timer.h"
diff --git a/zbs243_shared/board/zbs154v033/board.h b/zbs243_shared/board/zbs154v033/board.h
old mode 100644
new mode 100755
index a6734698..706d78a2
--- a/zbs243_shared/board/zbs154v033/board.h
+++ b/zbs243_shared/board/zbs154v033/board.h
@@ -22,6 +22,7 @@
 
 #define HAS_EEPROM 1
 #define HAS_SCREEN 1
+#define AP_EMULATE_TAG 1
 
 //hw types
 #define HW_TYPE					        SOLUM_154_033
diff --git a/zbs243_shared/board/zbs29_uc8151/board.h b/zbs243_shared/board/zbs29_uc8151/board.h
old mode 100644
new mode 100755
index b4f4937e..b7282111
--- a/zbs243_shared/board/zbs29_uc8151/board.h
+++ b/zbs243_shared/board/zbs29_uc8151/board.h
@@ -21,6 +21,7 @@
 
 #define HAS_EEPROM 1
 #define HAS_SCREEN 1
+#define AP_EMULATE_TAG 1
 
 //hw types
 #define HW_TYPE					        SOLUM_29_033
diff --git a/zbs243_shared/board/zbs29v033/board.h b/zbs243_shared/board/zbs29v033/board.h
old mode 100644
new mode 100755
index b4f4937e..b7282111
--- a/zbs243_shared/board/zbs29v033/board.h
+++ b/zbs243_shared/board/zbs29v033/board.h
@@ -21,6 +21,7 @@
 
 #define HAS_EEPROM 1
 #define HAS_SCREEN 1
+#define AP_EMULATE_TAG 1
 
 //hw types
 #define HW_TYPE					        SOLUM_29_033
diff --git a/zbs243_shared/board/zbs42v033/board.h b/zbs243_shared/board/zbs42v033/board.h
old mode 100644
new mode 100755
index b788aa2f..cdc1d3bd
--- a/zbs243_shared/board/zbs42v033/board.h
+++ b/zbs243_shared/board/zbs42v033/board.h
@@ -22,6 +22,7 @@
 
 #define HAS_EEPROM 1
 #define HAS_SCREEN 1
+#define AP_EMULATE_TAG 1
 
 //hw types
 #define HW_TYPE					        SOLUM_42_033
diff --git a/zbs243_shared/board/zbs_nodisplay/board.h b/zbs243_shared/board/zbs_nodisplay/board.h
old mode 100644
new mode 100755
index 57ad2c75..c9bbe9a9
--- a/zbs243_shared/board/zbs_nodisplay/board.h
+++ b/zbs243_shared/board/zbs_nodisplay/board.h
@@ -8,6 +8,7 @@
 #define HAS_EEPROM 0
 #define HAS_SCREEN 0
 #define HW_TYPE SOLUM_NODISPLAY
+#define AP_EMULATE_TAG 0
 
 #include "../boardCommon.h"
 
diff --git a/zbs243_shared/board/zbs_segmented_uk/board.h b/zbs243_shared/board/zbs_segmented_uk/board.h
old mode 100644
new mode 100755
index b597d3fd..4e7ea09b
--- a/zbs243_shared/board/zbs_segmented_uk/board.h
+++ b/zbs243_shared/board/zbs_segmented_uk/board.h
@@ -7,6 +7,7 @@
 
 #define HAS_EEPROM 0
 #define HAS_SCREEN 1
+#define AP_EMULATE_TAG 0
 
 #define HW_TYPE SOLUM_SEG_UK
 
diff --git a/zbs243_shared/cpu/8051/cpu.c b/zbs243_shared/cpu/8051/cpu.c
index 254cdec1..394537ec 100644
--- a/zbs243_shared/cpu/8051/cpu.c
+++ b/zbs243_shared/cpu/8051/cpu.c
@@ -1 +1,2 @@
 //nothing
+#include <stdint.h> // if we include something, we won't get a warning at compile time
diff --git a/zbs243_shared/soc/zbs243/flash.c b/zbs243_shared/soc/zbs243/flash.c
index 69900a24..e8c566e2 100644
--- a/zbs243_shared/soc/zbs243/flash.c
+++ b/zbs243_shared/soc/zbs243/flash.c
@@ -25,7 +25,7 @@ static uint8_t flashAddrCheck(uint32_t flashAddr, uint16_t len) __reentrant /* t
 			break;
 		
 		case 0x80:
-			if (pgNo)
+			if (pgNo)//hmm
 				return 0xff;
 			pgNo = 0x80;
 			break;