LED1
H3
C8
Capacitance
100nF
C1
Capacitance
1uF
C7
Capacitance
100nF
C5
Capacitance
10uF
LED2
C4
Capacitance
22pF
C2
Capacitance
1uF
H1
C3
Capacitance
22pF
H2
C6
Capacitance
10uF
H4
U2
POWER DC/DC
Line 1
LM1117-5.0
R6
Resistance
10KΩ
R3
Resistance
10kΩ
HM-10
Line 1
1: VCC
Line 2
2: GND
Line 3
3: TX
Line 4
4: RX
EXT CONNECT
USB MICRO B TYPE
OLED
MAX4172
Line 1
high-side currentsense amplifier for portable PCs
Note 1
Line 1
1: VCC
Line 2
2: GND
Line 3
3: D6
Line 4
4: D7
R2
Resistance
22 Ω
R5
Resistance
1KΩ
R1
ISP
R10
Resistance
0.1 Ω
R7
Resistance
10KΩ
R8
Resistance
300kΩ
R9
Resistance
300kΩ
ATMEGA32U4RC-AU
R4
Resistance
1KΩ
X2
J8
J1
J2
J9
U1
U3
Not Recommended for New Designs
J4
J7
J3
J6
SW1
SW2
J5
F3
U4
SW3
ATMEGA32U4 SCH
