OPEN-SMART UNO R3 DIY Parts Soldering Guide
Note
:
(1) Recommend using a constant temperature soldering station and set soldering temperature of 350 degrees Celsius.
(2) Please pay attention to ventilation when soldering.
(3) Soldering iron should not stay on the pad over 3 seconds.
(4) Please turn off the soldering station in the end and wash your hands.
Soldering in the order shown in the following table:
STEP
Value
Quantity
Part Number
NOTE
STEP1
1kOhm Resistor
4
R2, R3,R4,R5
Pins
does
not
distinguish
between positive and negative.
STEP2
10kOhm Resistor
1
R1
STEP3
USB to UART
module
1
MOD1
Pay attention to the direction of
the module.
STEP4
2PIN white Button
1
RESET
STEP5
22pF Ceramic
Capacitors
2
C1, C2
Pins does not distinguish
between positive and negative.
STEP6
100nF Ceramic
Capacitors (104)
3
C3, C4, C5
STEP7
3pin Round hole pin
header
1
J2
STEP8
28PIN-DIP socket
1
U1
Pay attention to the direction
STEP9
Buzzer
1
BUZ1
Longer leg of the LED is the
positive electrode, and insert it
into the pad near "+".
STEP10
47uF
Aluminum
electrolytic
capacitor
1
C6
STEP11
Red LED
1
LED1
Green LED
1
LED2
Yellow LED
2
LED3,
POWER
STEP12
10pin yellow pin
header
1
J3
STEP13
8pin yellow pin
header
1
J4
STEP14
2X3P Pin Header
1
J5
STEP15
6pin blue pin header
1
J7
STEP16
8pin red pin header
1
J6
STEP17
USB socket
1
J1
You can upload code to the
board via it.
STEP18
4pin button
1
K1, K2, K3