HardLabs

Hc radio

ras-rap·hc-radio·pcb/hc-radio.kicad_pcb

Hc radio PCB layout, top view — open source ESP32 board by ras-rap

About the Hc radio PCB

Hc radio is an open source ESP32 PCB design by ras-rap, published on GitHub under the MIT license. It is a 2-layer board measuring 139 × 113 mm, with 123 components from 67 distinct parts.

Its main chip is the ESP32-S3-WROOM-1, from the ESP32 family. Other key parts include the E22-900M22S, MCP73831-2-OT, AP2112K-3.3, NS4150 and USBLC6-2SC6. By type, the board carries 43 switches, 41 diodes, 18 capacitors, 10 resistors, 6 ICs and 2 connectors.

It belongs with the rf & radio designs in this gallery.

Main components on the Hc radio

E22-900M22SESP32-S3-WROOM-1MCP73831-2-OTAP2112K-3.3NS4150USBLC6-2SC6

Hc radio bill of materials (BOM)

123 components, 67 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
E22-900M22S
IC1
1
ESP32-S3-WROOM-1
U1
1
MCP73831-2-OT
U2
1
AP2112K-3.3
U3
1
NS4150
U4
1
USBLC6-2SC6
U5
1
USB_B
J1
1
CONN_01X04
Conn_01x04
J3
1
Battery
BT1
1
Speaker
LS1
1
R_Potentiometer
RV1
1
1
SW1
1
2
SW2
1
3
SW3
1
4
SW4
1
5
SW5
1
6
SW6
1
7
SW7
1
8
SW8
1
9
SW9
Show 47 more
QtyPartRefs
1
0
SW10
1
Q
SW11
1
W
SW12
1
E
SW13
1
R
SW14
1
T
SW15
1
Y
SW16
1
U
SW17
1
I
SW18
1
O
SW19
1
P
SW20
1
A
SW21
1
S
SW22
1
D
SW23
1
F
SW24
1
G
SW25
1
H
SW26
1
J
SW27
1
K
SW28
1
L
SW29
1
Enter
SW30
1
FN
SW31
1
Z
SW32
1
X
SW33
1
C
SW34
1
V
SW35
1
B
SW36
1
N
SW37
1
M
SW38
1
Bksp
SW39
1
Space
SW40
1
SW_SPDT
SW41
1
Boot
SW51
1
Reset
SW52
40
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +32
1
LED
D41
2
4.7UF
4.7uF
C1, C2
5
1UF
1uF
C3, C10, C14, C15, C18
4
10UF
10uF
C4, C7, C8, C11
5
0.1UF
0.1uF
C5, C6, C9, C12, C16
1
10NF
10nF
C13
1
22UF
22uF
C17
1
2KO
2kO
R1
2
1KO
1kO
R2, R7
3
100KO
100kO
R3, R4, R8
2
10KO
10kO
R5, R6
2
4.7KO
4.7kO
R9, R10

Hc radio design files

The KiCad project lives in the ras-rap/hc-radio repository on GitHub; these links point at the commit this page was built from.

Hc radio: common questions

What microcontroller does the Hc radio use?

The Hc radio is built around the ESP32-S3-WROOM-1, from the ESP32 family.

How big is the Hc radio PCB?

The Hc radio measures 139 × 113 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Hc radio?

123 components, from 67 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 Hc radio design files?

From the ras-rap/hc-radio 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 Hc radio design in my own project?

Yes, under the terms of its MIT license, which ras-rap chose for the repository.

Can I test firmware for the Hc radio 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.

Similar boards