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DC710 - The Radio Bomber

jeremylaratro·dc710_badge·foxhunt-badge/foxhunt-badge.kicad_pcb

DC710 - The Radio Bomber PCB layout, top view — open source ESP32 board by jeremylaratro
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About the DC710 - The Radio Bomber PCB

DC710 - The Radio Bomber is an open source ESP32 PCB design by jeremylaratro, published on GitHub. It is a 2-layer board measuring 200 × 77.1 mm, with 56 components from 29 distinct parts.

Its main chip is the ESP32-C3-MINI-1, from the ESP32 family. Other key parts include the AP2112K-3.3, SA868-V and TP4056_Module. By type, the board carries 18 capacitors, 18 resistors, 6 diodes, 4 ICs, 4 connectors and 4 switches.

It belongs with the rf & radio, wearables and power & battery designs in this gallery.

From the project

Badge development for DefCon 710 group

ESP32-C3 + SA868-V VHF transceiver in a B-2 Spirit silhouette PCB. ~$16 BOM at qty 100, single-cell LiPo, 200×80mm flying-wing form factor (~7.87" tip-to-tip, real B-2 proportions: wingspan/length ≈ 2.5, ~31° leading-edge sweep).

Power tree: USB-C 16P → SS14 Schottky → TP4056 LiPo charger → AP2112K-3.3 LDO → 3.3 V rail. 3 PWRFLAG drivers (VBUS, VBATRAW, GND) keep ERC happy. MCU: ESP32-C3-MINI-1 with EN reset RC, 10 µF / 1 µF / 100 nF decoupling, RESET / SEL / UP / DN tactiles, USB-C as native USB 2.0 (CDC) plus UART debug pass-through (J3). Radio: SA868-V (VHF) module with PTT / PD pull-ups…

Main components on the DC710 - The Radio Bomber

AP2112K-3.3ESP32-C3-MINI-1SA868-VTP4056_Module

DC710 - The Radio Bomber bill of materials (BOM)

56 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
AP2112K-3.3
U1
1
ESP32-C3-MINI-1
U2
1
SA868-V
U3
1
N/A
TP4056_Module
U4
1
C165948
USB_C_USB2.0_16P
J1
1
C124375
SAO
J2
1
C124375
Debug
J3
1
C131350
Battery
J4
1
C720477
RESET
S1
1
C720477
SEL/BOOT
S2
1
C720477
UP
S3
1
C720477
DOWN
S4
1
C90364
OLED_SSD1306
DISP1
1
SS14
D1
1
C72043
GREEN
D2
4
WS2812B-2020
D3, D4, D5, D6
1
C17168
0R
L1
5
C15849
1uF
C1, C2, C7, C32, C40
1
C14663
10uF
C5
1
C19702
1uF
C6
Show 9 more
QtyPartRefs
7
C14663
100nF
C8, C9, C10, C11, C21, C30, C31
1
C19702
10uF
C12
1
C16133
470uF/10V
C20
2
DNP
C50, C51
2
C23186
5.1k
R1, R2
4
C21190
1k
R3, R30, R31, R32
8
C25804
10k
R4, R5, R6, R7, R8, R9, R40, R41
1
C22962
220R
R11
3
10k
R12, R13, R14

DC710 - The Radio Bomber design files

The KiCad project lives in the jeremylaratro/dc710_badge repository on GitHub; these links point at the commit this page was built from.

DC710 - The Radio Bomber: common questions

What microcontroller does the DC710 - The Radio Bomber use?

The DC710 - The Radio Bomber is built around the ESP32-C3-MINI-1, from the ESP32 family.

How big is the DC710 - The Radio Bomber PCB?

The DC710 - The Radio Bomber measures 200 × 77.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the DC710 - The Radio Bomber?

56 components, from 29 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the DC710 - The Radio Bomber design files?

From the jeremylaratro/dc710_badge repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the DC710 - The Radio Bomber design in my own project?

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

Can I test firmware for the DC710 - The Radio Bomber 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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