EESchema Schematic File Version 5
LIBS:neo900-cache
EELAYER 29 0
EELAYER END
$Descr A3 16535 11693
encoding utf-8
Sheet 1 25
Title "Neo900"
Date "Intentionally Left Blank"
Rev ""
Comp ""
Comment1 "LOWER"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Sheet
S 1200 1800 500  500 
U 578AFEF4
F0 "Charger/OTG" 80
F1 "charger.sch" 80
$EndSheet
$Sheet
S 1200 2600 500  500 
U 578AFEF8
F0 "Battery" 80
F1 "battery.sch" 80
$EndSheet
$Sheet
S 1200 3400 500  500 
U 578AFEF6
F0 "Modem Power" 80
F1 "modempwr.sch" 80
$EndSheet
$Sheet
S 1200 4200 500  500 
U 578AFEFA
F0 "3G/4G Modem" 80
F1 "modem.sch" 80
$EndSheet
$Sheet
S 1200 5000 500  500 
U 578AFEFC
F0 "SIM cards and switch" 80
F1 "sims.sch" 80
$EndSheet
$Sheet
S 1200 5800 500  500 
U 578AFEFE
F0 "Modem Antennas" 80
F1 "ants.sch" 80
$EndSheet
$Sheet
S 1200 6600 500  500 
U 578AFF00
F0 "WLAN, Bluetooth, FM" 80
F1 "wlan.sch" 80
$EndSheet
$Sheet
S 1200 7400 500  500 
U 578AFF02
F0 "Sensors" 80
F1 "sensors.sch" 80
$EndSheet
$Sheet
S 1200 8200 500  500 
U 578AFF04
F0 "Audio Codec" 80
F1 "codec.sch" 80
$EndSheet
$Sheet
S 1200 9000 500  500 
U 578AFF06
F0 "Audio Headset, ECI" 80
F1 "jack.sch" 80
$EndSheet
$Sheet
S 1200 9800 500  500 
U 578AFF0C
F0 "Misc" 80
F1 "misc.sch" 80
$EndSheet
$Sheet
S 6100 1000 500  500 
U 578AFF0E
F0 "RFID/NFC" 80
F1 "nfc.sch" 80
$EndSheet
$Sheet
S 6100 1800 500  500 
U 578AFF14
F0 "Infrared" 80
F1 "ir.sch" 80
$EndSheet
$Sheet
S 6100 2600 500  500 
U 578AFF16
F0 "B2B LOWER-UPPER" 80
F1 "b2b.sch" 80
$EndSheet
$Sheet
S 6100 3400 500  500 
U 578AFF12
F0 "Hackerbus" 80
F1 "hb.sch" 80
$EndSheet
$Sheet
S 6100 4200 500  500 
U 578AFF18
F0 "uSD Breakout Board" 80
F1 "bob.sch" 80
$EndSheet
$Sheet
S 6100 5000 500  500 
U 578AFF1C
F0 "Keypad and buttons" 80
F1 "keys.sch" 80
$EndSheet
$Sheet
S 6100 5800 500  500 
U 578AFF20
F0 "Display" 80
F1 "display.sch" 80
$EndSheet
$Sheet
S 6100 6600 500  500 
U 578AFF2A
F0 "Cameras" 80
F1 "cams.sch" 80
$EndSheet
$Sheet
S 6100 7400 500  500 
U 578AFF2E
F0 "LEDs" 80
F1 "leds.sch" 80
$EndSheet
$Sheet
S 11000 1000 500  500 
U 578AFF30
F0 "Adaptation (v2 only)" 80
F1 "v2.sch" 80
$EndSheet
$Sheet
S 11000 1800 500  500 
U 578AFF32
F0 "BB-xM Adapter (CPU)" 80
F1 "bbcpu.sch" 80
$EndSheet
$Sheet
S 11000 2600 500  500 
U 578AFF34
F0 "BB-xM Adapter (DISP)" 80
F1 "bbdisp.sch" 80
$EndSheet
$Sheet
S 11000 3400 500  500 
U 578AFF36
F0 "BB-xM Adapter (CAM)" 80
F1 "bbcam.sch" 80
$EndSheet
Text Notes 1800 7750 0    160  ~ 0
Sensors
Text Notes 950  800  0    100  ~ 0
Click | Here\n      V
Text Notes 1800 2150 0    160  ~ 0
Charger/OTG
Text Notes 1800 3750 0    160  ~ 0
Modem Power
Text Notes 1800 2950 0    160  ~ 0
Battery
Text Notes 1800 4550 0    160  ~ 0
3G/4G Modem
Text Notes 1800 5350 0    160  ~ 0
SIM cards and switch
Text Notes 1800 6150 0    160  ~ 0
Modem Antennas
Text Notes 1800 6950 0    160  ~ 0
WLAN, Bluetooth, FM
Text Notes 1800 8550 0    160  ~ 0
Audio Codec
Text Notes 1800 9350 0    160  ~ 0
Audio Headset, ECI
Text Notes 1800 10150 0    160  ~ 0
Misc
Text Notes 6700 1350 0    160  ~ 0
RFID/NFC
Text Notes 6700 3750 0    160  ~ 0
Hackerbus
Text Notes 6700 2150 0    160  ~ 0
Infrared
Text Notes 6700 2950 0    160  ~ 0
B2B LOWER-UPPER
Text Notes 6700 4550 0    160  ~ 0
uSD Breakout Board
Text Notes 6700 5350 0    160  ~ 0
Keypad and buttons
Text Notes 6700 6150 0    160  ~ 0
Display
Text Notes 11600 3750 0    160  ~ 0
BB-xM Adapter (CAM)
Text Notes 11600 2950 0    160  ~ 0
BB-xM Adapter (DISP)
Text Notes 11600 2150 0    160  ~ 0
BB-xM Adapter (CPU)
Text Notes 11600 1350 0    160  ~ 0
Adaptation (v2 only)
Text Notes 6700 7750 0    160  ~ 0
LEDs
Text Notes 6700 6950 0    160  ~ 0
Cameras
Text Notes 5850 800  0    100  ~ 0
Click | Here\n      V
Text Notes 1800 1350 0    160  ~ 0
This sheet: index
Text Notes 9300 8550 0    80   ~ 0
Note regarding I2C addresses:\nAddresses in the schematics are provided for convenience.\nThe authoritative source is\nhttps://neo900.org/git/misc/tree/i2c
Text Notes 9300 9400 0    80   ~ 0
Signals that exist on both LOWER and UPPER (and maybe also BOB)\nhave a _U suffix on UPPER. No suffix is needed to distinguish\nbetween LOWER and BOB becauses all BOB components are on\nthe same sheet and wires connecting them use sheet-local labels.
Text Notes 10750 800  0    100  ~ 0
Click | Here\n      V
Wire Notes Line
	10800 4100 10800 4300
Wire Notes Line
	10800 4300 14500 4300
Wire Notes Line
	14500 4300 14500 4100
Text Notes 11300 4600 0    80   ~ 0
Circuits that exist in the v2 prototype only\nand that will not be part of the final design.
Text Notes 9300 7000 0    80   ~ 0
Unless indicated otherwise, resistors have a tolerance of 1%,\nor better. If the nominal value specified in the schematics is\nonly available with lower tolerance, use that.
Text Notes 9300 7700 0    80   ~ 0
Unless indicated otherwise, all capacitors should be X5R or X6S,\nor better (X7R, NP0, etc.)\nIf no voltage is specified, use >= 6.3 V.
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1
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2
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3
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4
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5
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6
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7
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8
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9
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11
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12
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13
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15
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14
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16
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18
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23
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$EndSCHEMATC
