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