Master Off V0.2
About the Master Off V0.2 PCB
Master Off V0.2 is an open source AVR/Arduino PCB design by carloslcor, published on GitHub. It is a 2-layer board measuring 43 × 46 mm, with 34 components from 24 distinct parts.
Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the AZ1117-3.3, AT24CS32-SSHM and LM35-LP. By type, the board carries 11 capacitors, 6 connectors, 6 resistors, 4 ICs, 3 switches and 2 diodes.
Main components on the Master Off V0.2
Master Off V0.2 bill of materials (BOM)
34 components, 24 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega328P-AU | TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | AZ1117-3.3 | SOT-223 | U2 |
| 1 | AT24CS32-SSHM | SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | LM35-LP | TO-92L_Inline | U4 |
| 1 | 16Mhz | Crystal_HC49-4H_Vertical | Y1 |
| 1 | USB_B_Micro | USB_Micro-B_Wuerth_629105150521_CircularHoles | J1 |
| 1 | Gravação | PinSocket_1x05_P2.54mm_Vertical | J2 |
| 1 | Bluetooh | PinSocket_1x04_P2.54mm_Vertical | J3 |
| 1 | Conexão PCI TOP | CONEXAO_RMMINI3_TOP | J4 |
| 1 | Conn_02x04_Odd_Even | NRF24L01_MOD | J5 |
| 1 | Conexão PCI BOT | CONEXAO_RMMINI3_BOT | J6 |
| 1 | Buzzer | Buzzer_12x9.5RM7.6 | BZ1 |
| 1 | MENU1 | PinHeader_1x02_P2.54mm_Vertical | SW1 |
| 1 | MENU2 | PinHeader_1x02_P2.54mm_Vertical | SW2 |
| 1 | MENU3 | PinHeader_1x02_P2.54mm_Vertical | SW3 |
| 1 | L MENU0 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1 |
| 1 | L MENU1 | LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D2 |
| 8 | 100nF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C1, C2, C3, C6, C8, C9, C10, C11 |
| 2 | 22pF | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C4, C7 |
| 1 | 100uF/16V | CP_Radial_D6.3mm_P2.50mm | C5 |
Show 4 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 10K | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R1, R3 |
| 1 | LDR03 | R_LDR_5.1x4.3mm_P3.4mm_Vertical | R2 |
| 2 | 470R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R4, R5 |
| 1 | 100R | R_0805_2012Metric_Pad1.15x1.40mm_HandSolder | R6 |
Master Off V0.2 design files
The KiCad project lives in the carloslcor/Master_off repository on GitHub; these links point at the commit this page was built from.
Master Off V0.2: common questions
What microcontroller does the Master Off V0.2 use?
The Master Off V0.2 is built around the ATmega328P-AU, from the AVR/Arduino family.
How big is the Master Off V0.2 PCB?
The Master Off V0.2 measures 43 × 46 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Master Off V0.2?
34 components, from 24 distinct parts. The full bill of materials is listed on this page.
Where can I download the Master Off V0.2 design files?
From the carloslcor/Master_off repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Master Off V0.2 design in my own project?
The repository has no license, so all rights stay with carloslcor. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Master Off V0.2 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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