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A Rubber Ducky Devboard built around an ESP32-S3-WROOM-1U Module

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aviyanp/RubberESP32-S3

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RubberESP32-S3

A Rubber Ducky Devboard built around an ESP32-S3-WROOM-1U Module. I built this because I really wanted to make my first devboard and it seemed like the perfect time to do so! It took way too much work, and it costs ~$90 because of Standard PCBA for the ESP32-S3, so I think it'd be better to just buy the parts needed to solder it on by hand and learn all about SMD soldering! It's definitely a learning curve trying to figure out what goes where and how to not screw up your routing so bad that you have to reverse ~4+ hours of work. I'm eventually trying to make an all-in-one mainboard for a robot that would incorporate 4 custom-made motor drivers and an ESP32-S3 controlling it all, so this is the first step in that direction! For now, I wanted something that I can easily test out and use IRL, so I decided to make a rubber ducky! It was really freaking rage-inducing, but it was all good fun and I learned a lot from it all.


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PCB Schematic


Comment Designator Footprint LCSC Quantity Price (Based on MOQ) Notes
5.1K R12,R13 R0603 C14677 4 $0.12
10K R10,R11,R3,R5,R6,R7,R8,R9 R0603 C15401 16 $0.09
100nF C2,C4 C0603 C1591 4 $0.28
1uF C3 C0603 C1592 2 $0.17
100R R4 R0603 C25201 2 $0.1
22uF C6 CAP-SMD_BD6.3-L6.6-W6.6-FD C267472 2 $0.64
TYPE-C 16PIN 2MD(073) USB1 USB-C-SMD_TYPE-C-6PIN-2MD-073 C2765186 2 $1.1
22uF C1 C1210 C2918511 2 $0.4
ESP32-S3-MINI-1U U1 ESP32-S2-MINI-1U C2980296 3 $10.8 I have 3 because I'd otherwise get a $3 fee and it costs around that and it's pretty easy to mess up when soldering it.
AMS1117-3.3 U2 SOT-223-3_TabPin2 C347222 2 $0.2
TF PUSH Card1 TF-SMD_TF-PUSH C393941 2 $0.55
SW_SPST SW1,SW2 SW-SMD_L3.9-W3.0-P4.45 C455280 4 $0.46
10uF C5 CAP-SMD_BD6.3-L6.6-W6.6-FD C72482 2 $0.45
Conn_01x02 J2 PinHeader_1x02_P2.54mm_Vertical 1 $5.49 Price includes other headers
Conn_01x02 J1 PinHeader_1x02_P2.54mm_Vertical 1
Conn_01x08 J3 PinHeader_1x08_P2.54mm_Vertical 1
Solder Paste 1 $13.95
Solder 1 $8
PCB 5 $2
Stencil 1 $7
Hotplate 1 $15
JLCPCB Shipping $18.63
LCSC Shipping $10.45
Amazon Shipping $9

Total Cost: $104.88

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A Rubber Ducky Devboard built around an ESP32-S3-WROOM-1U Module

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