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Mega65-r3-expansion board.

MEGA65·mega65-r3-expansion-board

Mega65-r3-expansion board. layout, top view — open source ESP32 board by MEGA65

About the Mega65-r3-expansion board.

Mega65-r3-expansion board. is an open source ESP32 PCB design by MEGA65, published on GitHub. It is a 4-layer board measuring 215 × 126.9 mm, with 102 components from 26 distinct parts.

Its main chip is the ESP32 Connector, from the ESP32 family. Other key parts include the 74HC595, 74LVC165 and 74LS125. By type, the board carries 46 resistors, 21 connectors, 19 capacitors, 13 ICs and 3 inductors.

From the project

Expansion board for the MEGA65 R3+ Main Boards

Main components on the Mega65-r3-expansion board.

74HC59574LVC16574LS125

Mega65-r3-expansion board. bill of materials (BOM)

102 components, 26 distinct parts.

QtyPartRefs
4
74HC595
U1, U4, U6, U11
3
74LVC165
U2, U5, U7
5
74LS125
U3, U8, U9, U10, U13
1
74LS125
U12
2
Conn_01x04
J1, J2
1
C64_User_Port
J3
3
Conn_01x02
J4, J18, J20
1
C64_Tape_Port
J5
1
OKR-T/3-W12-C
J6
2
Conn_02x06_Odd_Even
J7, J8
1
PMOD1
J9
1
PMOD2
J10
1
Conn_02x05_Odd_Even
J11
2
Conn_02x17_Odd_Even
J12, J13
1
Component A/V
J14
1
ESP32 Connector
J15
1
MD-90SM
J16
3
Conn_01x03
J17, J19, J21
3
1uH
L1, L2, L3
13
0.1uF
C1, C2, C3, C4, C5, C6, C7, C8 +5
Show 6 more
QtyPartRefs
3
180pF
C14, C16, C18
3
91pF
C15, C17, C19
17
1K
R1, R2, R3, R4, R5, R6, R7, R8 +9
10
3K3
R16, R17, R18, R19, R20, R24, R25, R26 +2
1
220R
R21
18
1K0
R28, R29, R30, R31, R32, R33, R34, R35 +10

Mega65-r3-expansion board. design files

The KiCad project lives in the MEGA65/mega65-r3-expansion-board repository on GitHub; these links point at the commit this page was built from.

Mega65-r3-expansion board.: common questions

What microcontroller does the Mega65-r3-expansion board. use?

The Mega65-r3-expansion board. is built around the ESP32 Connector, from the ESP32 family.

How big is the Mega65-r3-expansion board.?

The Mega65-r3-expansion board. measures 215 × 126.9 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Mega65-r3-expansion board.?

102 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mega65-r3-expansion board. design files?

From the MEGA65/mega65-r3-expansion-board repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Mega65-r3-expansion board. design in my own project?

The repository has no license, so all rights stay with MEGA65. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Mega65-r3-expansion board. 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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