PCB Design - HomeKidd/ESP8266-HomeKit-Dehumidifier GitHub Wiki

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Tools

Since these projects are involve some soldering I highly recommend to buy a soldering iron before starting assemble it! Personally I'm using a 10$ one from Aliexpress, but since I have to solder SMD parts for the PCBs I've ordered a Soldering station like in the picture 😄

Cheap Soldering Iron
Soldering Station 1
Soldering Station 2
Hot Air Soldering Gun

You can order the PCB or download the files from here!

Parts needed

SMD 10x10.5 63V 100uF Capacitor
SMD 6x7 6,3V 330uF Capacitor
LM2575S-5.0
330uH CRDH74 inductor
1N4007 SOT23-3
IRF540NS
2N3904 SOT23-3
VH3.96-2P
XH2.54 2P, 4P, 5P
3MM Red/Green LED
3mm (height) LED nylon spacer
SMD0805 resistors
SMD0805 capacitors
AMS1117-3.3

Prefix Value Package
R1,R2,R3,R7,R9,R10 10K Ω SMD 0805
R4, R8 1K Ω SMD 0805
R5,R6 56 Ω SMD 0805
C1 50V 100uF SMD 10x10
C2 6.3V 330uF SMD 6x7
C3 100nF SMD 0805
C4 10uF SMD 0805
C5 100nF SMD 0805
C6 1uF SMD 0805
U1 LM2575S-5.0 TO263-5
U2 AMS1117-3.3 SOT223
D1 1N5819 SOD123F
D2 1N4007 SOD123F
D3 1N4007 SOD123F
L1 330uH CDRH74NP inductor
Q1,Q3 2N3904 SOT23-3
Q2,Q4 IRF540N TO263-2
Button Tactile Button THT 6x6x7mm
Serial 2.54mm 4P header (optional)
Tank 3mm LED RED 3mm nylon spacer needed
Status 3mm LED White/Green 3mm nylon spacer needed
FAN - JST-XH2.54-2P
SHT3X - JST-XH2.54-4P
POWER - JST-XH2.54-5P
TEC - VH3.96-2P
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