Candidate
About the Candidate PCB
Candidate is an open source PCB design by sql-monk, published on GitHub. It is a 2-layer board measuring 78 × 78 mm, with 65 components from 65 distinct parts.
By type, the board carries 25 connectors, 18 resistors, 9 capacitors, 7 crystals and 3 transistors.
From the project
BATMAN hardware, firmware, and mechanical design
CAD-прототип, не перевірений на стенді. Основний проєкт: batman/batman.kicad_pro, KiCad 10.0.6+. У спільній PCB чотири замкнені контури: це чотири фізичні плати, не одна плата з міддю між ними. Схема має кореневий і шість функціональних аркушів.
Актуальна ревізія трасування 2026-09-09: 223 сегменти (A: 85, B: 77, C: 28, D: 33), тільки напрямки 0/45/90°. Попередня версія зі 165 сегментами довільного напрямку замінена. Компоненти, їхні кути, контакти та чотири перемички залишені на місцях; глобальний мінімум кількості перемичок не доведений. GND з'єднує заливка. Вільні кінці трас точно…
Candidate bill of materials (BOM)
65 components, 65 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BC547_CBE | LUT_Q1 | Q1 |
| 1 | BC547_CBE | LUT_Q2 | Q2 |
| 1 | BC557_CBE | LUT_Q3 | Q3 |
| 1 | B1_B2_GND | LUT_X1 | X1 |
| 1 | VIN_DC_GND | LUT_X2 | X2 |
| 1 | 5V_GND | LUT_X3 | X3 |
| 1 | DS18B20 | LUT_X4 | X4 |
| 1 | U_LOAD_SENSE | LUT_X5 | X5 |
| 1 | BAT_SENSE_TO_B | LUT_X6 | X6 |
| 1 | BAT_SENSE_FROM_D | LUT_X8 | X8 |
| 1 | DEVKITC_38_SOCKET_MMCU DevKitC_38_socket_mMCU | LUT_J1 | J1 |
| 1 | ACS1_3WIRE | LUT_J3 | J3 |
| 1 | ACS2_3WIRE | LUT_J4 | J4 |
| 1 | ACS3_3WIRE | LUT_J5 | J5 |
| 1 | SW1_GND_ON | LUT_J6 | J6 |
| 1 | SW2_GND_ON | LUT_J7 | J7 |
| 1 | RELAY | LUT_J8 | J8 |
| 1 | DPS_UART | LUT_J9 | J9 |
| 1 | OLED_I2C | LUT_J10 | J10 |
| 1 | BUTTON | LUT_J11 | J11 |
Show 45 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SPI | LUT_J12 | J12 |
| 1 | LINK_+3V3_GND_SCL_SDA | LUT_J20 | J20 |
| 1 | LINK_+3V3_GND_SCL_SDA | LUT_J21 | J21 |
| 1 | LINK_+3V3_GND_SENS_PWR | LUT_J22 | J22 |
| 1 | LINK_+3V3_GND_SENS_PWR | LUT_J23 | J23 |
| 1 | LINK_GND_+3V3_SENS | LUT_J24 | J24 |
| 1 | LINK_GND_+3V3_SENS | LUT_J25 | J25 |
| 1 | LINK_+5V_GND | LUT_J26 | J26 |
| 1 | LINK_+5V_GND | LUT_J27 | J27 |
| 1 | LINK_RELAY_IN1_RELAY_IN2_GND | LUT_J28 | J28 |
| 1 | LINK_RELAY_IN1_RELAY_IN2_GND | LUT_J29 | J29 |
| 1 | LINK_+3V3_GND | LUT_J30 | J30 |
| 1 | LINK_+5V_GND | LUT_J31 | J31 |
| 1 | LINK_I_B1_I_B2_U_B1_U_B2_GND | LUT_J32 | J32 |
| 1 | LINK_I_LOAD_U_LOAD_GND | LUT_J33 | J33 |
| 1 | COPPER_STAR_AT_X3 | LUT_NT1 | NT1 |
| 1 | 1N5819 | LUT_VD1 | VD1 |
| 1 | 1N5819 | LUT_VD2 | VD2 |
| 1 | 100N_50V 100n_50V | LUT_C3 | C3 |
| 1 | 100N_50V 100n_50V | LUT_C4 | C4 |
| 1 | 100N_50V 100n_50V | LUT_C5 | C5 |
| 1 | 1U_16V 1u_16V | LUT_C7 | C7 |
| 1 | 1U_16V 1u_16V | LUT_C8 | C8 |
| 1 | 1U_16V 1u_16V | LUT_C9 | C9 |
| 1 | 100N_16V 100n_16V | LUT_C11 | C11 |
| 1 | 100N_16V 100n_16V | LUT_C12 | C12 |
| 1 | 100N_16V 100n_16V | LUT_C13 | C13 |
| 1 | 100k_1% | LUT_R1 | R1 |
| 1 | 10k_1% | LUT_R2 | R2 |
| 1 | 100k_1% | LUT_R3 | R3 |
| 1 | 10k_1% | LUT_R4 | R4 |
| 1 | 100k_1% | LUT_R5 | R5 |
| 1 | 4.7k_1% | LUT_R6 | R6 |
| 1 | 1k | LUT_R7 | R7 |
| 1 | 1k | LUT_R8 | R8 |
| 1 | 1k | LUT_R9 | R9 |
| 1 | 4.7K 4.7k | LUT_R10 | R10 |
| 1 | 10K 10k | LUT_R11 | R11 |
| 1 | 1k | LUT_R12 | R12 |
| 1 | 10K 10k | LUT_R13 | R13 |
| 1 | 1k | LUT_R14 | R14 |
| 1 | 10K 10k | LUT_R15 | R15 |
| 1 | 4.7K 4.7k | LUT_R16 | R16 |
| 1 | 4.7K 4.7k | LUT_R17 | R17 |
| 1 | 4.7K 4.7k | LUT_R18 | R18 |
Candidate design files
The KiCad project lives in the sql-monk/batman repository on GitHub; these links point at the commit this page was built from.
Candidate: common questions
How big is the Candidate PCB?
The Candidate measures 78 × 78 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Candidate?
65 components, from 65 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Candidate design files?
From the sql-monk/batman repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Candidate design in my own project?
The repository has no license, so all rights stay with sql-monk. Use it as a reference, and ask the author before reusing the design.
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