HardLabs

RadioBoard2025

papurika37·KUBTSS_Board25·RadioBoard2025/RadioBoard2025/RadioBoard2025.kicad_pcb

RadioBoard2025 PCB layout, top view — open source ESP32 board by papurika37

About the RadioBoard2025 PCB

RadioBoard2025 is an open source ESP32 PCB design by papurika37, published on GitHub. It is a 2-layer board measuring 69.5 × 86.5 mm, with 60 components from 32 distinct parts.

Its main chip is the ESP32-WROOM-32, from the ESP32 family. Other key parts include the LM1117MP-3.3, CH340G, Disp_A0, Disp_A1 and Disp_A2. By type, the board carries 22 resistors, 11 capacitors, 9 ICs, 5 transistors, 4 switches and 4 diodes.

From the project

KUBTSS Avionics 25th designed by pprk

Main components on the RadioBoard2025

LM1117MP-3.3CH340GESP32-WROOM-32Disp_A0Disp_A1Disp_A274HC595_Driver0HT7733

RadioBoard2025 bill of materials (BOM)

60 components, 32 distinct parts.

QtyPartRefs
1
~
U1
1
LM1117MP-3.3
U2
1
CH340G
U3
1
ESP32-WROOM-32
U4
1
Disp_A0
U5
1
Disp_A1
U8
1
Disp_A2
U10
1
74HC595_Driver0
U12
1
HT7733
U14
2
MMBT3904
Q1, Q2
3
PNP_2SA1015
Q3, Q4, Q5
1
12MHz
Y1
1
USB_C_Receptacle_USB2.0_14P
J1
1
IM920_Writer(TWELITE_R)
J2
1
Battery_Cell
BT1
1
REG
SW1
1
RST
SW2
1
BOOT
SW3
1
CELL
SW4
3
RB160M
D1, D2, D4
Show 12 more
QtyPartRefs
1
LED
D3
1
100uH
L1
3
10u
C1, C2, C5
5
0.1u
C3, C4, C6, C10, C11
1
1000p
C7
1
47u
C8
1
22u
C9
2
5.1k
R1, R2
8
10k
R3, R4, R5, R7, R8, R10, R11, R13
1
1k
R6
3
1.3k
R9, R12, R22
8
130
R14, R15, R16, R17, R18, R19, R20, R21

RadioBoard2025 design files

The KiCad project lives in the papurika37/KUBTSS_Board25 repository on GitHub; these links point at the commit this page was built from.

RadioBoard2025: common questions

What microcontroller does the RadioBoard2025 use?

The RadioBoard2025 is built around the ESP32-WROOM-32, from the ESP32 family.

How big is the RadioBoard2025 PCB?

The RadioBoard2025 measures 69.5 × 86.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the RadioBoard2025?

60 components, from 32 distinct parts. The full bill of materials is listed on this page.

Where can I download the RadioBoard2025 design files?

From the papurika37/KUBTSS_Board25 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the RadioBoard2025 design in my own project?

The repository has no license, so all rights stay with papurika37. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the RadioBoard2025 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

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