HardLabs

VFO-ESP32-Si5351

paulh002·VFO-ESP32-Si5351·kicad-wifi/vfo-pcb.kicad_pcb

VFO-ESP32-Si5351 PCB layout, top view — open source ESP32 board by paulh002

About the VFO-ESP32-Si5351 PCB

VFO-ESP32-Si5351 is an open source ESP32 PCB design by paulh002, published on GitHub. It is a 2-layer board measuring 108.4 × 79.9 mm, with 95 components from 37 distinct parts.

Its main chip is the ESP32L, from the ESP32 family. Other key parts include the AMS1117, LM2576HVS-ADJ and Si5351A-B-GT. By type, the board carries 40 resistors, 25 capacitors, 15 connectors, 6 transistors, 4 ICs and 2 crystals.

It belongs with the iot & wireless designs in this gallery.

From the project

VFO ESP32 Si5351

Kicad files new version with wifi. This version uses a buck converter for powersupply, the lm7805 is not able to supply a stable enough 5v for wifi use I am still testing if the buck converter does not generate to much noise

Main components on the VFO-ESP32-Si5351

AMS1117LM2576HVS-ADJSi5351A-B-GT

VFO-ESP32-Si5351 bill of materials (BOM)

95 components, 37 distinct parts.

QtyPartRefs
1
AMS1117
U1
1
LM2576HVS-ADJ
U2
2
Si5351A-B-GT
U3, U4
6
BFR92
Q1, Q2, Q3, Q4, Q5, Q6
2
Crystal
Y1, Y2
1
Rotery Encoder1
J1
1
Rotery Encoder2
J2
1
Analog in 3-6
J3
1
RxTx
J4
1
V12
J5
1
ESP32L
J6
1
ESP32R
J7
1
ILI9341
J8
1
Conn_01x07_Female
J9
1
Link-out 1-2
J10
1
Link-out 1-0
J11
1
Link-out 2-0
J12
1
Link-out 2-2
J13
1
Link-out 2-1
J14
1
Link-out 1-1
J15
Show 17 more
QtyPartRefs
1
Rotary_Encoder_Switch
SW1
1
1N5817
D1
1
100u
L1
1
10u
C1
19
100n
C2, C3, C4, C5, C7, C8, C12, C14 +11
1
1000u
C6
3
10n
C9, C11, C13
1
2200u
C10
6
2.2k
R1, R2, R11, R12, R13, R14
1
680
R3
10
150
R4, R21, R22, R23, R24, R25, R29, R32 +2
6
10k
R5, R6, R7, R8, R9, R10
7
1k
R15, R16, R17, R18, R19, R20, R40
3
200
R26, R27, R31
3
33
R28, R30, R35
3
68
R33, R34, R37
1
3.1k
R39

VFO-ESP32-Si5351 design files

The KiCad project lives in the paulh002/VFO-ESP32-Si5351 repository on GitHub; these links point at the commit this page was built from.

VFO-ESP32-Si5351: common questions

What microcontroller does the VFO-ESP32-Si5351 use?

The VFO-ESP32-Si5351 is built around the ESP32L, from the ESP32 family.

How big is the VFO-ESP32-Si5351 PCB?

The VFO-ESP32-Si5351 measures 108.4 × 79.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the VFO-ESP32-Si5351?

95 components, from 37 distinct parts. The full bill of materials is listed on this page.

Where can I download the VFO-ESP32-Si5351 design files?

From the paulh002/VFO-ESP32-Si5351 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the VFO-ESP32-Si5351 design in my own project?

The repository has no license, so all rights stay with paulh002. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the VFO-ESP32-Si5351 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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