diff --git a/bom/Makefile b/bom/Makefile
index 7d650b9..a1de949 100644
--- a/bom/Makefile
+++ b/bom/Makefile
@@ -8,12 +8,13 @@ KITS=1
 EQU=atrf.equ dk/digi-key.equ $(shell $(BOOM_CONFIG) equ)
 INV=atrf.inv dk/digi-key.inv $(shell $(BOOM_CONFIG) inv)
 DSC=dk/digi-key.dsc $(shell $(BOOM_CONFIG) dsc)
-CHR=$(shell $(BOOM_CONFIG) chr)
+CHR=atrf.chr $(shell $(BOOM_CONFIG) chr)
 
 
 .PHONY:		all again spotless
+.PRECIOUS:	%.par
 
-all:		atusd.ord
+all:		atusd.ord cntr.ord
 
 again:
 		$(MAKE) spotless
@@ -23,6 +24,7 @@ again:
 		$(BOOM) part2order $(KITS) $^ >$@ || { rm -f $@; exit 1; }
 
 vpath atusd.lst ../atusd
+vpath cntr.lst ../cntr
 
 %.par:		$(EQU) $(INV) $(CHR) %.lst atrf.sub
 		$(BOOM) bom2part $^ >$@ || { rm -f $@; exit 1; }
diff --git a/bom/atrf.chr b/bom/atrf.chr
new file mode 100644
index 0000000..ffb8258
--- /dev/null
+++ b/bom/atrf.chr
@@ -0,0 +1,7 @@
+#CHR
+
+# TVS (should TVS really be T=D ?)
+
+EPCOS CT0603M4G T=D M=TVS FP=0603 V=8 TOL=20% Vac=4V Vdc=5.5V E=100mJ C=200pF
+
+PANASONIC EZJ-P0V080GA T=D M=TVS FP=0402 V=8V Vac=4V Vdc=5.6V C=100pF
diff --git a/bom/atrf.equ b/bom/atrf.equ
index eea7796..49f30a3 100644
--- a/bom/atrf.equ
+++ b/bom/atrf.equ
@@ -1,6 +1,9 @@
 #EQU
 
 ATMEL AT86RF230		ATMEL AT86RF230-ZU
+SILABS C8051F320	SILABS C8051F320-GQ
 
 WURTH 748421245		JOHANSON 2450FB15L0001
 JOHANSON 2450FB15L0001	JOHANSON 2450FB15L0001E
+
+ATRF MINI_USB_B		TYCO 1734035-2
diff --git a/bom/atrf.inv b/bom/atrf.inv
index 050697c..1ff1a90 100644
--- a/bom/atrf.inv
+++ b/bom/atrf.inv
@@ -5,3 +5,4 @@
 ATRF meander	999999 USD 1 0
 ATRF uSD-Card	999999 USD 1 0
 ATRF TST	999999 USD 1 0
+ATRF PAD_120x60	999999 USD 1 0
diff --git a/bom/atrf.sub b/bom/atrf.sub
index a9f21a7..6fe76cf 100644
--- a/bom/atrf.sub
+++ b/bom/atrf.sub
@@ -62,6 +62,10 @@ D[0-9]* {
     }
 }
 
+VR[0-9]* -> T=D M=TVS {
+	VAL=$V -> Vdc=$VAL	# neither clean nor consistent with the above
+}
 
 FP=meander -> VAL=meander
 FP=uSD-Card -> VAL=uSD-Card
+FP=PAD_120x60 -> VAL=PAD_120x60
diff --git a/bom/dk/digi-key.equ b/bom/dk/digi-key.equ
index a0f2e2d..00e8dac 100644
--- a/bom/dk/digi-key.equ
+++ b/bom/dk/digi-key.equ
@@ -1,8 +1,26 @@
 #EQU
 
+# MCUs
+
 DIGI-KEY AT86RF230-ZU-ND		ATMEL AT86RF230-ZU
 
+DIGI-KEY 336-1259-ND			SILABS C8051F320-GQ
 DIGI-KEY 336-1296-5-ND			SILABS C8051F326-GM
 
+# LEDs
+
+DIGI-KEY 160-1436-1-ND			LITE-ON LTST-C190KRKT
+
+# TVS (varistor)
+
+DIGI-KEY 495-2595-1-ND			EPCOS CT0603M4G
+DIGI-KEY P14130CT-ND			PANASONIC EZJ-P0V080GA
+
+# Baluns
+
 DIGI-KEY 732-2230-1-ND			WURTH 748421245
 DIGI-KEY 712-1538-1-ND			JOHANSON 2450FB15L0001E
+
+# Mini-USB receptacle
+
+DIGI-KEY A31727CT-ND			TYCO 1734035-2