diff --git a/PCBA/board/funkey/busybox.config b/PCBA/board/funkey/busybox.config
index 89bfa94..bc9a3f2 100644
--- a/PCBA/board/funkey/busybox.config
+++ b/PCBA/board/funkey/busybox.config
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Busybox version: 1.31.1
-# Thu Jul 30 10:08:53 2020
+# Fri Jul 31 15:55:31 2020
 #
 CONFIG_HAVE_DOT_CONFIG=y
 
@@ -733,9 +733,9 @@ CONFIG_FEATURE_VOLUMEID_F2FS=y
 # CONFIG_ADJTIMEX is not set
 # CONFIG_BBCONFIG is not set
 # CONFIG_FEATURE_COMPRESS_BBCONFIG is not set
-# CONFIG_BC is not set
+CONFIG_BC=y
 # CONFIG_DC is not set
-# CONFIG_FEATURE_DC_BIG is not set
+CONFIG_FEATURE_DC_BIG=y
 # CONFIG_FEATURE_DC_LIBM is not set
 # CONFIG_FEATURE_BC_INTERACTIVE is not set
 # CONFIG_FEATURE_BC_LONG_OPTIONS is not set
diff --git a/PCBA/board/funkey/rootfs-overlay/bin/axp209 b/PCBA/board/funkey/rootfs-overlay/bin/axp209
new file mode 100755
index 0000000..1298ffe
--- /dev/null
+++ b/PCBA/board/funkey/rootfs-overlay/bin/axp209
@@ -0,0 +1,223 @@
+#!/bin/sh
+#
+# For the CHIP Computer AXP09 Power mangement IC
+#
+# Jeff Brown http://photonicsguy.ca/projects/chip
+# https://github.com/Photonicsguy/CHIP
+# Version 1.0 (April 5th, 2016)
+#
+# It looks like you can destroy your chip computer by writing the wrong data to certain registers on this chip!
+# (Some of the voltage outputs are programmable via registers)
+#
+# There is only one write command in this script (to enable ADC registers)
+#
+#
+#
+# VBUS is USB power
+# VBAT is Battery (Of course)
+#
+#
+# Lower 2 bits of Register 30 control the VBUS current limiting
+#i2cset -y -f 0 0x34 0x30 0x60	# 900mA VBUS current limit (Default)
+#i2cset -y -f 0 0x34 0x30 0x61	# 500mA VBUS current limit
+#i2cset -y -f 0 0x34 0x30 0x62	# 100mA VBUS current limit (CHIP will draw from both VBUS & Battery)
+#i2cset -y -f 0 0x34 0x30 0x63	# No current limiting on VBUS
+#
+#
+#
+
+# Load I2C modules
+modprobe i2c-dev
+modprobe i2c-mv64xxx
+
+if [ "$1" == "-a" ]; then
+	ALL=true
+elif [ "$1" == "-v" ]; then
+	echo "Version 1.0 (April 5th, 2016)"
+	echo "https://github.com/Photonicsguy/CHIP"
+	exit 0
+elif [ "$1" == "-b" ]; then
+	BP=true
+#elif [ "$1" == "-q" ]; then
+elif [ "$1" == "-h" ]; then
+	cat << EOF
+Usage: axp209.sh [OPTION]
+	-a	Display all data
+	-v	Version
+	-h	Help (This help)
+	-b	Show only battery percentage
+
+exits 0 on VBUS power
+exits 1 on Battery power (If battery is discharging)
+
+EOF
+fi
+
+# Enable ADC registers
+i2cset -y -f 0 0x34 0x82 0xff
+
+##	REGISTER 00	##
+REG=$(i2cget -y -f 0 0x34 0x00)
+STATUS_VBUS=$(($((${REG}&0x20))/32))
+STATUS_VBUS_AVAIL=$(($((${REG}&0x10))/16))
+STATUS_VHOLD=$(($((${REG}&0x08))/8))
+STATUS_CHG_DIR=$(($((${REG}&0x04))/4))
+ACVB_SHORT=$(($((${REG}&0x02))/2))
+STATUS_BOOT=$((${REG}&0x01))
+
+
+if [ ${ALL} ];then
+	REG=$(i2cget -y -f 0 0x34 0x30)
+	VHOLD="4."$(($((${REG}&0x38))/8))
+	REG=$((${REG}&0x3))
+	case "${REG}" in
+		0)
+			VBUS_C_LIM="900mA"
+			;;
+		1)
+			VBUS_C_LIM="500mA"
+			;;
+		2)
+			VBUS_C_LIM="100mA"
+			;;
+		3)
+			VBUS_C_LIM="No limit"
+			;;
+	esac
+	
+	VSHUTDOWN="2."$(($(($(i2cget -y -f 0 0x34 0x31)&0x07))+6))
+	REG=
+	echo "              VBUS: ${STATUS_VBUS}	Avail: ${STATUS_VBUS_AVAIL}"
+	echo "             VHOLD: ${STATUS_VHOLD} (Whether VBUS is above ${VHOLD}V before being used)"
+	#echo "  Charge direction: ${STATUS_CHG_DIR}	(0:Battery discharging; 1:The battery is charging)"
+	echo "  Shutdown voltage: ${VSHUTDOWN}V"
+	echo "VBUS current limit: ${VBUS_C_LIM}"
+
+fi
+if [ ${ACVB_SHORT} == 1 ]; then
+	echo "ACIN & VBUS input short circuit on PCB"
+fi
+
+if [ ${ALL} ]; then
+	echo -n "Boot source is"
+	if [ ${STATUS_BOOT} == 0 ]; then
+		echo -n "n't"
+	fi
+	echo " VBUS"
+fi
+
+
+##	REGISTER 01	##
+REG=$(i2cget -y -f 0 0x34 0x01)
+STATUS_OVRTEMP=$(($((${REG}&0x80))/128))
+STATUS_CHARGING=$(($((${REG}&0x40))/64))
+STATUS_BATCON=$(($((${REG}&0x20))/32))
+#STATUS_=$(($((${REG}&0x10))/16))
+STATUS_ACT=$(($((${REG}&0x08))/8))
+STATUS_CUREXPEC=$(($((${REG}&0x04))/4))
+#STATUS_=$(($((${REG}&0x02))/2))
+#STATUS_=$((${REG}&0x01))
+
+if [ ${STATUS_OVRTEMP} == 1 ]; then
+	echo "Over Temperature"
+fi
+if [ ${ALL} ]; then
+	if [ ${STATUS_CHARGING} == 1 ]; then
+		echo "Battery charging"
+	fi
+	echo "Battery connected: ${STATUS_BATCON}"
+fi
+
+if [ ${STATUS_VBUS}==1 ]; then
+	# VBUS voltage
+	REG=$(i2cget -y -f 0 0x34 0x5A w)
+	REG=0x${REG:4:2}${REG:3:1}
+	REG=$(printf "%d" "${REG}")
+	VBUS=$(echo "${REG}*0.0017"|bc)
+
+	# VBUS Current
+	REG=$(i2cget -y -f 0 0x34 0x5C w)
+	REG=0x${REG:4:2}${REG:3:1}
+	REG=$(printf "%d" "${REG}")
+	VBUS_C=$(echo "${REG}*0.375"|bc)
+else
+	VBUS='-'
+	VBUS_C='-'
+fi
+
+if [ ${STATUS_BATCON}==1 ]; then
+	# Battery Voltage
+	REG=$(i2cget -y -f 0 0x34 0x78 w)
+	REG=0x${REG:4:2}${REG:3:1}
+	REG=$(printf "%d" "${REG}")
+	VBAT=$(echo "${REG}*0.0011"|bc)
+
+	if [ ${STATUS_CHG_DIR} == 1 ]; then
+		# Battery Charging Current
+		REG=$(i2cget -y -f 0 0x34 0x7A w)
+		REG=0x${REG:4:2}${REG:3:1}
+		REG_C=$(printf "%d" "${REG}")
+		BAT_C=$(echo "scale=2;${REG_C}*0.5"|bc)
+	else
+		# Battery Discharge Current
+		REG=$(i2cget -y -f 0 0x34 0x7C w)
+		REG=0x${REG:4:2}${REG:3:1}
+		REG_D=$(printf "%d" "${REG}")
+		BAT_D=$(echo "scale=2;${REG_D}*0.5"|bc)
+	fi
+	# Battery %
+	REG=$(i2cget -y -f 0 0x34 0xB9)
+	BAT_PERCENT=$(printf "%d" "${REG}")
+else
+	VBAT='-'
+	BATT_CUR='-'
+	BAT_PERCENT='-'
+	echo "No Battery connected"
+fi
+# System (IPSOUT) Voltage (IPS is Intelligent Power Select)
+REG=$(i2cget -y -f 0 0x34 0x7E w)
+REG=0x${REG:4:2}${REG:3:1}
+REG=$(printf "%d" "${REG}")
+IPSOUT=$(echo "${REG}*0.0014"|bc)
+
+
+if [ ${ALL} ]; then
+	# Temperature
+	REG=$(i2cget -y -f 0 0x34 0x5E w)
+	REG=0x${REG:4:2}${REG:3:1}
+	REG=$(printf "%d" "${REG}")
+	THERM=$(echo "(${REG}*0.1)-144.7"|bc)
+	echo "Temperature:	${THERM}°C"
+fi
+echo "Battery: ${BAT_PERCENT}%"
+if [ ${BP} ];then						# If -b switch is used, exit after showing battery percentage
+	if [ ${STATUS_CHG_DIR} == 0 ]; then
+		exit 1	# FunKey operating on Battery
+	else
+		exit 0	# FunKey on VBUS power
+	fi
+fi
+
+echo -n "VBUS:	${VBUS}V"
+if [ ${VBUS_C} != 0 ];then
+	echo "   ${VBUS_C}mA"
+else
+	echo ""
+fi
+
+echo -n "VBAT:	${VBAT}V   "
+if [ ${STATUS_CHG_DIR} == 1 ]; then
+	echo "Charging at ${BAT_C}mA"
+else
+	echo "Discharging at ${BAT_D}mA"
+fi
+echo "VOUT:	${IPSOUT}V"
+
+if [ ${STATUS_CHG_DIR} == 0 ]; then
+	exit 1	# FunKey operating on Battery
+else
+	exit 0	# FunKey on VBUS power
+fi
+
+# Unload I2C modules
+modprobe -r i2c_mv64xxx i2c_dev >/dev/null 2>&1