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Nestronic Game Music Synthesizer

dkonigsberg·nestronic·hardware/main-board/nes.kicad_pcb

Nestronic Game Music Synthesizer PCB layout, top view — open source ESP32 board by dkonigsberg
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About the Nestronic Game Music Synthesizer PCB

Nestronic Game Music Synthesizer is an open source ESP32 PCB design by dkonigsberg, published on GitHub. It is a 2-layer board measuring 127 × 114.3 mm, with 82 components from 51 distinct parts.

Its main chip is the ESP-WROOM-32, from the ESP32 family. Other key parts include the R-78E5.0-0.5, R-78E3.3-0.5, 74LVC1404, RP2A03 and 74HCT138. By type, the board carries 28 capacitors, 23 resistors, 14 ICs, 6 connectors, 3 transistors and 2 crystals.

It belongs with the audio and retro computing designs in this gallery.

From the project

Nestronic Game Music Synthesizer Alarm Clock

A good overview of the project can be found in these blog posts: Introducing the Nestronic Nestronic System Architecture Building the Nestronic Prototype Nestronic Input Board

A few videos demonstrating the project are here: First end-to-end test DuckTails! First prototype assembled and working! Completed case, buttons, and Blaster Master! * Nestronic Complete Assembly

Nestronic Game Music Synthesizer, from the project README
From the project README

Main components on the Nestronic Game Music Synthesizer

R-78E5.0-0.5R-78E3.3-0.574LVC1404RP2A0374HCT138LM4889AS6C6264MCP40D17AT28C64B74HCT00PCA9564MCP7940NESP-WROOM-32EClamp2410P

Nestronic Game Music Synthesizer bill of materials (BOM)

82 components, 51 distinct parts.

QtyPartRefs
1
R-78E5.0-0.5
U1
1
R-78E3.3-0.5
U2
1
74LVC1404
U3
1
RP2A03
U4
1
74HCT138
U5
1
LM4889
U6
1
AS6C6264
U7
1
MCP40D17
U8
1
AT28C64B
U9
1
74HCT00
U10
1
PCA9564
U11
1
MCP7940N
U12
1
ESP-WROOM-32
U13
1
EClamp2410P
U15
3
SS8050
Q1, Q2, Q3
1
21.5 MHz
Y1
1
32.768 kHz
Y2
1
Power Jack
J1
1
Input Board
J2
1
Speaker
J3
Show 31 more
QtyPartRefs
1
Program
J4
1
NHD OLED Connector
J5
1
microSD Socket
J6
1
Battery
BT1
1
POT
RV1
1
NES Reset
SW1
1
ESP Reset
SW2
1
D
D1
1
D_Schottky
D2
5
10uF
C1, C2, C3, C4, C28
3
30pF
C5, C7, C13
1
0.47uF
C6
10
0.1uF
C8, C9, C11, C15, C16, C17, C18, C19 +2
1
0.33uF
C10
2
1uF
C12, C14
1
1uF
C20
1
100uF
C22
1
1nF
C24
1
10pF
C25
1
12pF
C26
1
100pF
C27
4
2k
R1, R2, R3, R4
2
1k
R5, R22
1
2.2M
R6
2
100
R7, R9
3
4.7k
R8, R10, R14
2
12k
R11, R15
3
20k
R12, R13, R17
2
10k
R16, R23
3
100k
R18, R19, R20
1
470R
R21

Nestronic Game Music Synthesizer design files

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

Nestronic Game Music Synthesizer: common questions

What microcontroller does the Nestronic Game Music Synthesizer use?

The Nestronic Game Music Synthesizer is built around the ESP-WROOM-32, from the ESP32 family.

How big is the Nestronic Game Music Synthesizer PCB?

The Nestronic Game Music Synthesizer measures 127 × 114.3 mm, has 2 copper layers and is 1.6002 mm thick.

How many components are on the Nestronic Game Music Synthesizer?

82 components, from 51 distinct parts. The full bill of materials is listed on this page.

Where can I download the Nestronic Game Music Synthesizer design files?

From the dkonigsberg/nestronic repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Nestronic Game Music Synthesizer design in my own project?

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

Can I test firmware for the Nestronic Game Music Synthesizer 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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