OneMicro-Base-Board
About the OneMicro-Base-Board
OneMicro-Base-Board is an open source PCB design by ExploreEmbedded, published on GitHub. It is a 2-layer board measuring 180 × 135 mm, with 143 components from 72 distinct parts.
Other key parts include the LM1117, L293D, 24C16, CP2102 and RGB_4pin. By type, the board carries 42 resistors, 25 connectors, 22 switches, 13 diodes, 10 ICs and 7 capacitors.
Main components on the OneMicro-Base-Board
OneMicro-Base-Board bill of materials (BOM)
143 components, 72 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | LM1117 | lm1117_xl | IC1, IC2 |
| 1 | L293D | DIP-16_W7.62mm_LongPads | IC3 |
| 1 | 24C16 | SOIC-8_3.9x4.9mm_Pitch1.27mm | U1 |
| 1 | CP2102 | cp2102_xl2 | U2 |
| 1 | RGB_4pin | sfh5712 | U3 |
| 1 | LCD-jhd12864e-xl | Pin_Header_Straight_1x20 | U4 |
| 1 | 74LVC125A | SSOP-14_5.3x6.2mm_Pitch0.65mm | U5 |
| 1 | DS1307 | SOIC-8_3.9x4.9mm_Pitch1.27mm | U7 |
| 1 | Rotary_Encoder | encoder_alps-ec12d | U9 |
| 6 | BC849 | SOT-23 | Q1, Q2, Q3, Q4, Q5, Q6 |
| 1 | CRYSTAL_SMD | RTC_Crystal_1 | X1 |
| 1 | BARREL_JACK | DC_Jack | CON1 |
| 1 | USB-MICRO-B-RESCUE-ARM_Base_Board | USB_A | CON2 |
| 1 | USB-MICRO-B | USB_B | CON3 |
| 1 | CONN_01X06 | Pin_Header_Straight_1x06 | P1 |
| 4 | CONN_01X32 | Pin_Header_Straight_1x32 | P2, P3, P6, P16 |
| 4 | CONN_02X04 | Pin_Header_Straight_2x04 | P4, P22, P23, P24 |
| 4 | CONN_01X04 | Pin_Header_Straight_1x04 | P5, P7, P13, P19 |
| 1 | CONN_01X03 | bornier3 | P8 |
| 1 | CONN_01X05 | Pin_Header_Straight_1x05 | P9 |
Show 52 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | CONN_01X01 | M3_mounting | P10, P11, P12, P14 |
| 2 | CONN_01X16 | Pin_Header_Straight_1x16 | P17, P18 |
| 1 | CONN_01X08 | Pin_Header_Straight_1x08 | P21 |
| 1 | BATTERY | VRT Cell holder | BT1 |
| 1 | LCD-016N002L | WC1602A | DS1 |
| 1 | SWITCH_ARRAY | Pin_Header_Straight_1x08 | JP1 |
| 2 | m1 | bornier2 | JP2, JP3 |
| 1 | JUMPER3 | Pin_Header_Straight_1x03 | JP6 |
| 1 | RELAYPTH | XL-RELAY-12 | K1 |
| 1 | POT | Potentiometer_Triwood_RM-065 | RV1 |
| 3 | POT | TrimPOT_WithKnob | RV2, RV4, RV5 |
| 1 | SW_DIP-8 | DIP-16_W7.62mm_LongPads | S1 |
| 1 | MICRO_SD | Micro_SD | SD1 |
| 1 | BUZZERPTH | Buzzer_12x9.5RM7.6 | SG1 |
| 1 | Power | SPSPT_XL_NEW | SW1 |
| 4 | SW_PUSH | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW2, SW3, SW4, SW5 |
| 1 | C | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW6 |
| 1 | D | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW7 |
| 1 | E | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW8 |
| 1 | F | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW9 |
| 1 | 9 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW10 |
| 1 | 0 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW11 |
| 1 | A | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW12 |
| 1 | B | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW13 |
| 1 | 5 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW14 |
| 1 | 6 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW15 |
| 1 | 7 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW16 |
| 1 | 8 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW17 |
| 1 | 1 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW18 |
| 1 | 2 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW19 |
| 1 | 3 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW20 |
| 1 | 4 | SW_PUSH_SMALL_2pin_3D_xl_v1 | SW21 |
| 4 | LTS-6960HR | 7SegmentLED_LTS6760_LTS6780 | AFF1, AFF2, AFF3, AFF4 |
| 1 | 1n4148 | ZenerDiode_SMD_Small | D1 |
| 1 | PWR | LED-0603_NEW | D2 |
| 1 | RL2 | LED-0603_NEW | D3 |
| 1 | 1N40XX | ZenerDiode_SMD_new | D4 |
| 8 | LED | LED-0603_NEW | D5, D6, D7, D8, D10, D11, D12, D13 |
| 1 | ESPBoot | LED-0603_NEW | D9 |
| 2 | 100nF | C_0603_HandSoldering | C1, C2 |
| 1 | 100uF/25V | c_elec_8x10 | C3 |
| 4 | 0.1uF | C_0603_HandSoldering | C5, C6, C7, C8 |
| 12 | 470E | R_0603_HandSoldering | R1, R5, R6, R12, R20, R21, R22, R23 +4 |
| 10 | 10K | R_0603_HandSoldering | R2, R7, R10, R11, R14, R28, R29, R30 +2 |
| 2 | 33K | R_0603_HandSoldering | R3, R4 |
| 7 | 1K | R_0603_HandSoldering | R8, R9, R13, R38, R40, R42, R44 |
| 1 | Photores | Pin_Header_Straight_1x02 | R15 |
| 1 | 2.2K | R_0603_HandSoldering | R16 |
| 1 | 150E | R_0603_HandSoldering | R17 |
| 2 | 100E | R_0603_HandSoldering | R18, R19 |
| 4 | 68 | R_0603_HandSoldering | R37, R39, R41, R43 |
| 2 | RR8 | Resistor_Array_SIP8 | RR1, RR2 |
OneMicro-Base-Board design files
The KiCad project lives in the ExploreEmbedded/OneMicro-Base-Board repository on GitHub; these links point at the commit this page was built from.
OneMicro-Base-Board: common questions
How big is the OneMicro-Base-Board?
The OneMicro-Base-Board measures 180 × 135 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the OneMicro-Base-Board?
143 components, from 72 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 OneMicro-Base-Board design files?
From the ExploreEmbedded/OneMicro-Base-Board repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the OneMicro-Base-Board design in my own project?
The repository has no license, so all rights stay with ExploreEmbedded. Use it as a reference, and ask the author before reusing the design.