diff --git a/Makefile b/Makefile
deleted file mode 100644
index 877048f..0000000
--- a/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-prefix = /usr/local
-OUT_DIR := $(DESTDIR)$(prefix)
-
-all:
-	true
-
-install:
-	install -d $(OUT_DIR)/sbin
-	install -m 755 -o 0 -g 0 reboot-bootloader $(OUT_DIR)/sbin
-
-.PHONY:: all install
diff --git a/debian/aiy-board-tools.install b/debian/aiy-board-tools.install
new file mode 100644
index 0000000..9d9bfa3
--- /dev/null
+++ b/debian/aiy-board-tools.install
@@ -0,0 +1,2 @@
+reboot-bootloader /usr/sbin/
+pinout /usr/bin/
diff --git a/debian/control b/debian/control
index d621b06..1432ffd 100644
--- a/debian/control
+++ b/debian/control
@@ -1,6 +1,6 @@
 Source: aiy-board-tools
 Maintainer: AIY Projects <support-aiyprojects@google.com>
-Build-Depends: debhelper, gnupg
+Build-Depends: debhelper
 Section: misc
 Priority: optional
 
diff --git a/debian/rules b/debian/rules
index 74918df..ea37544 100755
--- a/debian/rules
+++ b/debian/rules
@@ -6,9 +6,3 @@
 
 %:
 	dh $@
-
-override_dh_shlibdeps:
-	true
-
-override_dh_auto_install:
-	dh_auto_install -- prefix=/usr
diff --git a/pinout b/pinout
new file mode 100755
index 0000000..12745d7
--- /dev/null
+++ b/pinout
@@ -0,0 +1,126 @@
+#!/usr/bin/env python3
+
+# Copyright 2018 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import argparse
+
+class Style:
+    BOLD      = 1
+    DEFAULT   = 39
+    RED       = 31
+    GREEN     = 32
+    YELLOW    = 33
+    BLUE      = 34
+    MAGENTA   = 35
+    CYAN      = 36
+    DARK_GRAY = 90
+
+class Kind:
+    GND, POWER, I2C, UART, GPIO, SAI, SPI, PWM = range(8)
+
+KINDS = {
+    Kind.GND:   (Style.DARK_GRAY, 'GND',   'Ground'),
+    Kind.POWER: (Style.RED,       'POWER', 'Power: +5V or +3.3V'),
+    Kind.I2C:   (Style.GREEN,     'I2C',   'Inter-Integrated Circuit'),
+    Kind.UART:  (Style.MAGENTA,   'UART',  'Serial Port'),
+    Kind.GPIO:  (Style.DEFAULT,   'GPIO',  'General Purpose Input Output'),
+    Kind.SAI:   (Style.CYAN,      'SAI',   'Serial Audio Interface'),
+    Kind.SPI:   (Style.BLUE,      'SPI',   'Serial Peripheral Interface'),
+    Kind.PWM:   (Style.YELLOW,    'PWM',   'Pulse Width Modulation'),
+}
+
+PINS = {
+    1:  ('3.3.V',         Kind.POWER), 2:  ('5V',             Kind.POWER),
+    3:  ('I2C2_SDA',      Kind.I2C),   4:  ('5V',             Kind.POWER),
+    5:  ('I2C2_SCL',      Kind.I2C),   6:  ('GND',            Kind.GND),
+    7:  ('UART3_TXD',     Kind.UART),  8:  ('UART1_TX',       Kind.UART),
+    9:  ('GND',           Kind.GND),   10: ('UART1_RX',       Kind.UART),
+    11: ('UART3_RXD',     Kind.UART),  12: ('SAI1_TXC',       Kind.SAI),
+    13: ('GPIO_P13 (6)',  Kind.GPIO),  14: ('GND',            Kind.GND),
+    15: ('PWM3',          Kind.PWM),   16: ('GPIO_P16 (88)',  Kind.GPIO),
+    17: ('3.3V',          Kind.POWER), 18: ('GPIO_P18 (138)', Kind.GPIO),
+    19: ('SPI1_MOSI',     Kind.SPI),   20: ('GND',            Kind.GND),
+    21: ('SPI1_MISO',     Kind.SPI),   22: ('GPIO_P22 (140)', Kind.GPIO),
+    23: ('SPI1_SCLK',     Kind.SPI),   24: ('SPI1_SS0',       Kind.SPI),
+    25: ('GND',           Kind.GND),   26: ('SPI1_SS1',       Kind.SPI),
+    27: ('I2C3_SDA',      Kind.I2C),   28: ('I2C3_SCL',       Kind.I2C),
+    29: ('GPIO_P29 (7)',  Kind.GPIO),  30: ('GND',            Kind.GND),
+    31: ('GPIO_P31 (8)',  Kind.GPIO),  32: ('PWM1',           Kind.PWM),
+    33: ('PWM2',          Kind.PWM),   34: ('GND',            Kind.GND),
+    35: ('SAI1_TXFS',     Kind.SAI),   36: ('GPIO_P36 (141)', Kind.GPIO),
+    37: ('GPIO_P37 (86)', Kind.GPIO),  38: ('SAI1_RXD0',      Kind.SAI),
+    39: ('GND',           Kind.GND),   40: ('SAI1_TXD0',      Kind.SAI)
+}
+
+assert(len(PINS) % 2 == 0)
+assert(set(PINS.keys()) == set(range(1, len(PINS) + 1)))
+
+def pins():
+    for i in range(len(PINS) // 2):
+        yield (2 * i + 1, 2 * i + 2)
+
+def pin_desc(pin):
+    text, _ = PINS[pin]
+    return text
+
+def pin_kind(pin):
+    _, kind = PINS[pin]
+    return kind
+
+def stylize(text, style, esc='\033['):
+    return '%s%dm%s%s0m' % (esc, style, text, esc)
+
+def stylize_pin(text, pin):
+    style, _, _ = KINDS[pin_kind(pin)]
+    return stylize(text, style)
+
+def print_pinout(color):
+    max_len = max(len(pin_desc(l)) for l, _ in pins())
+
+    for l, r in pins():
+        l_pin, r_pin = str(l).ljust(2), str(r).rjust(2)
+        l_txt, r_txt = pin_desc(l).rjust(max_len), pin_desc(r)
+
+        if color:
+            l_pin = stylize(l_pin, Style.BOLD)
+            r_pin = stylize(r_pin, Style.BOLD)
+            l_txt, r_txt = stylize_pin(l_txt, l), stylize_pin(r_txt, r)
+
+        print('%s -> %s  %s <- %s' % (l_txt, l_pin, r_pin, r_txt))
+
+def print_legend(color):
+    max_len = max(len(name) for _, (_, name, _) in KINDS.items())
+
+    for kind, (style, name, desc) in KINDS.items():
+        txt = name.ljust(max_len)
+        if color:
+            txt = stylize(txt, style)
+        print('%s - %s' % (txt, desc))
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--nocolor', dest='color', action='store_false',
+                        default=True, help='Do not output in color.')
+    parser.add_argument('--nolegend', dest='legend', action='store_false',
+                        default=True, help='Do not output legend.')
+    args = parser.parse_args()
+
+    print_pinout(args.color)
+    if args.legend:
+        print()
+        print_legend(args.color)
+
+if __name__ == '__main__':
+    main()
diff --git a/reboot-bootloader b/reboot-bootloader
old mode 100644
new mode 100755
index 65ff708..27b611e
--- a/reboot-bootloader
+++ b/reboot-bootloader
@@ -1,19 +1,38 @@
 #!/usr/bin/env python3
 
+# Copyright 2018 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
 import os
 import subprocess
 import sys
 
-if os.geteuid() != 0:
-  print('Can not reboot as a normal user. Please re-run with sudo.')
-  exit(1)
+def main():
+    if os.geteuid() != 0:
+        print('Can not reboot as a normal user. Please re-run with sudo.')
+        sys.exit(1)
 
-misc_path = os.path.join(os.sep, 'dev', 'disk', 'by-partlabel', 'misc')
-if not os.path.exists(misc_path):
-  print('Could not find a misc partition! Giving up.')
-  sys.exit(1)
+    misc_path = os.path.join(os.sep, 'dev', 'disk', 'by-partlabel', 'misc')
+    if not os.path.exists(misc_path):
+        print('Could not find a misc partition! Giving up.')
+        sys.exit(1)
 
-with open(misc_path, 'wb') as misc:
-  misc.write(b'bootonce-bootloader')
+    with open(misc_path, 'wb') as misc:
+        misc.write(b'bootonce-bootloader')
 
-subprocess.run('reboot')
\ No newline at end of file
+    subprocess.run('reboot')
+
+if __name__ == '__main__':
+    main()