HardLabs

Interface board 1

CHIBOY12·Ranial-Systems-BMS-project·SmartBMS-master/SmartBMS-master/04_Interface board/Hardware/Kikad_Interface_board_1/Interface_board_1.kicad_pcb

Interface board 1 layout, top view — open source AVR/Arduino board by CHIBOY12

About the Interface board 1

Interface board 1 is an open source AVR/Arduino PCB design by CHIBOY12, published on GitHub. It is a 2-layer board measuring 107 × 54 mm, with 63 components from 27 distinct parts.

Its main chip is the Arduino_1pin, from the AVR/Arduino family. Other key parts include the 4N35, NE555D and ULN2003A. By type, the board carries 18 connectors, 15 resistors, 10 diodes, 7 relays, 6 capacitors and 3 ICs.

It belongs with the power & battery designs in this gallery.

From the project

Battery Management System using BQ76952 and MCU communication.

Youtube presentation: https://youtu.be/0XNe25lMs6U?si=eK-90N3kao_sy4zy

Official page: https://hackaday.io/project/181453-green-bms

The main functions of BMS are: - To protect cells against overvoltage - To protect cells against undervoltage - To balance the cells

Smart BMS consists of four main components: 1. Cell Module (https://hackaday.io/project/181453-green-bms/log/198376-green-bms-cell-module) 2. Control Unit (https://hackaday.io/project/181453-green-bms/log/198414-green-bms-control-unit) 3. Limiter (https://hackaday.io/project/181453-green-bms/log/198378-green-bms-limiter) 4.…

Interface board 1, from the project README
From the project README

Main components on the Interface board 1

4N35NE555DULN2003A

Interface board 1 bill of materials (BOM)

63 components, 27 distinct parts.

QtyPartRefs
1
4N35
U1
1
NE555D
U2
1
ULN2003A
U3
2
PMBT2222
Q1, Q2
1
Conn_01x04
J1
2
Conn_01x03
J2, J3
1
Conn_01x06
J4
2
Conn_01x06
J5, J6
1
Power
P2
2
Analog
P3, P4
1
PWM
P5
1
PWM
P6
1
Communication
P7
6
CONN_01X01
P8, P9, P10, P11, P12, P13
7
G6K-2
K0, K1, K2, K3, K4, K5, K6
2
SW_Push
SW1, SW2
8
LED
D0, D1, D2, D3, D4, D5, D6, D9
2
D
D8, D10
2
100/16v
C1, C5
4
100n
C2, C3, C4, C6
Show 7 more
QtyPartRefs
9
1K
R0, R1, R2, R3, R4, R5, R6, R8 +1
1
2K
R9
1
47k
R11
1
10
R12
1
270
R13
1
470
R14
1
330
R15

Interface board 1 design files

The KiCad project lives in the CHIBOY12/Ranial-Systems-BMS-project repository on GitHub; these links point at the commit this page was built from.

Interface board 1: common questions

What microcontroller does the Interface board 1 use?

The Interface board 1 is built around the Arduino_1pin, from the AVR/Arduino family.

How big is the Interface board 1?

The Interface board 1 measures 107 × 54 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Interface board 1?

63 components, from 27 distinct parts. The full bill of materials is listed on this page.

Where can I download the Interface board 1 design files?

From the CHIBOY12/Ranial-Systems-BMS-project repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Interface board 1 design in my own project?

The repository has no license, so all rights stay with CHIBOY12. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Interface board 1 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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