diff --git a/board_id/board_ids.csv b/board_id/board_ids.csv
index ec98ada..276d590 100644
--- a/board_id/board_ids.csv
+++ b/board_id/board_ids.csv
@@ -1,3 +1,6 @@
 # board_id | R1 | R2 | board_name
 "0","510","510","unknown"
 "1","510","620","72_NB2-e"
+"2","510","750","81hd-a"
+"3","510","1000","alpha2ch-b"
+"4","510","1200","alpha4ch-a"
diff --git a/board_id/generated/board_id_81hd-a.csv b/board_id/generated/board_id_81hd-a.csv
new file mode 100644
index 0000000..91094d2
--- /dev/null
+++ b/board_id/generated/board_id_81hd-a.csv
@@ -0,0 +1,3 @@
+# resistor | value | footprint | part_number
+"R133","510","R0603","C23193"
+"R134","750","R0603","C23241"
diff --git a/board_id/generated/board_id_alpha2ch-b.csv b/board_id/generated/board_id_alpha2ch-b.csv
new file mode 100644
index 0000000..d26a03b
--- /dev/null
+++ b/board_id/generated/board_id_alpha2ch-b.csv
@@ -0,0 +1,3 @@
+# resistor | value | footprint | part_number
+"R133","510","R0603","C23193"
+"R134","1000","R0603","C21190"
diff --git a/board_id/generated/board_id_alpha4ch-a.csv b/board_id/generated/board_id_alpha4ch-a.csv
new file mode 100644
index 0000000..8027ef2
--- /dev/null
+++ b/board_id/generated/board_id_alpha4ch-a.csv
@@ -0,0 +1,3 @@
+# resistor | value | footprint | part_number
+"R133","510","R0603","C23193"
+"R134","1200","R0603","C22765"
diff --git a/board_id/test.sh b/board_id/test.sh
index 6877408..4112343 100644
--- a/board_id/test.sh
+++ b/board_id/test.sh
@@ -2,4 +2,8 @@
 
 #python3 gen_hellen_board_id_resistors.py 
 
-python3 gen_hellen_board_id.py 72_NB2-e
+#python3 gen_hellen_board_id.py 72_NB2-e
+#python3 gen_hellen_board_id.py 81hd-a
+#python3 gen_hellen_board_id.py alpha2ch-b
+#python3 gen_hellen_board_id.py alpha4ch-a
+