A few days ago, the micro:bit Foundation released the hardware schematic for the micro:bit V2 board, along with a complete bill of materials.
For detailed content, please refer to the community post.
Schematic
BOM
| NO | Item | Description | Usage | Manufacturer | ManufacturerPN | Location |
|---|---|---|---|---|---|---|
| 1 | PCB | PCB 2 Layer, Black solder mask with white silkscreen, matte finish ENIG 42x52mm | 1 | AVL | micro:bit PCB V2 | PCB1 |
| 2 | Ceramic Capacitor | Ceramic Capacitor 10uF 6.3V X5R 20% 0603 | 2 | MURATA | GRM188R60J106ME47D | C20,C21 |
| 3 | Ceramic Capacitor | Ceramic Capacitor 0.3pF ±0.1pF 50V 0402 C0G/NP0 | 1 | KEMET | CBR04C308B5GAC | C11 |
| 4 | Ceramic Capacitor | Ceramic Capacitor 1000pF 5% 50V 0402 C0G/NP0 | 1 | SAMSUNG | CL05C102JB5NNNC | C38 |
| 5 | Ceramic Capacitor | Ceramic Capacitor 0.1µF 10% 25V X5R 0402 | 17 | TAIYO YUDEN | TMK105BJ104KV-F | C5,C8,C10,C14,C16,C17,C19,C23,C25,C26,C28,C29,C30,C31,C32,C34,C52 |
| 6 | Ceramic Capacitor | Ceramic Capacitor 100pF 5% 50V 0402 C0G/NP0 | 5 | SAMSUNG | CL05C101JB5NNNC | C9,C56,C57,C58,C59 |
| 7 | Ceramic Capacitor | Ceramic Capacitor 10000pF 10% 25V X7R 0402 | 1 | MURATA | GRM155R71E103KA01D | C40 |
| 8 | Ceramic Capacitor | Ceramic Capacitor 1µF 10% 6.3V X5R 0402 | 3 | YAGEO | CC0402KRX5R5BB105 | C1,C37,C54 |
| 9 | Ceramic Capacitor | Ceramic Capacitor 2200pF 10% 50V X7R 0402 | 1 | MURATA | GRM155R71H222KA01D | C33 |
| 10 | Ceramic Capacitor | Ceramic Capacitor 24pF 5% 50V 0402 C0G/NP0 | 3 | SAMSUNG | CL05C240JB5NNNC | C2,C4,C7 |
| 11 | Ceramic Capacitor | Ceramic Capacitor 4.7uF 20% 6.3V X5R 0402 | 3 | TDK | C1005X5R0J475M | C6,C15,C36 |
| 12 | Connector | 2 Pin RA 2mm SMT Connector | 1 | MTCONN | WB200SW-02SR01 | J2 |
| 13 | Crystal | Crystal 32MHz 3.2X2.5X0.6mm 4-Pad | 1 | AEL | X32M000000S045 | X1 |
| 14 | Diode | 3A Schottky diode with extreme low VF drop (typ. 0.12V at IF=10mA) | 1 | STMICROELECTRONICS | BAT60JFILM | D51 |
| 15 | Diode | 3A Schottky diode with extreme low VF drop (typ. 0.12V at IF=10mA) | 2 | INFINEON | BAT60AE6327 | D57,D59 |
| 16 | Diode | Diode general purpose single switching 100V 4A | 1 | NEXPERIA | BAS16LD,315 | D5 |
| 17 | Diode | Diode Schottky low forward voltage drop SOT523 | 1 | DIODES INCORPORATED | BAT54T-7-F | D1 |
| 18 | Diode | TVS Diode high surge bidirectional | 3 | DIODES INCORPORATED | D5V0H1B2LP-7B | D71,D72,D73 |
| 19 | Diode | Ultralow capacitance double rail-to-rail ESD protection device | 1 | NXP | PRTR5V0U2F_115 | D62 |
| 20 | Inductor | Inductor chip 10uH 20% IDC min=50mA | 1 | MURATA | LQM18FN100M00D | L2 |
| 21 | Inductor | Inductor CMC 150mA 90 ohms SMT 1210 | 1 | TAIYO YUDEN | MCF12102H900-T | L5 |
| 22 | Inductor | Inductor RF 4.7nH ±0.3N H 700mA 180mOhm Max 0402 | 2 | MURATA | LQG15HS4N7S02D | L3,L7 |
| 23 | LED | LED Red colourless dome 0603 | 26 | EVERLIGHT | 19-217/R6C-AL1M2VY/3T | D2,D4,D6,D8,D10,D12,D14,D16,D18,D20,D22,D24,D26,D28,D30,D32,D34,D36,D38,D40,D42,D44,D46,D48,D50,D60 |
| 24 | LED | LED Red side view SMT | 1 | EVERLIGHT | 48-213/RAC-BP2Q2VY/3C | D70 |
| 25 | LED | LED Yellow 590nm 0603 | 1 | EVERLIGHT | 19-217/Y5C-AM1N1VY/3T | D61 |
| 26 | MCU | IC MCU 256KB FLASH 48MHz 1.71-3.6V QFN32 | 1 | NXP | MKL27Z256VFM4 | U5 |
| 27 | MCU | Multi-protocol Bluetooth Low Energy, ANT and 2.4GHz proprietary system-on-chip | 1 | NORDIC SEMICONDUCTOR | nRF52833-QIAA | U2 |
| 28 | Microphone | Analog Microphone omnidirectional 1.5V-3.6V | 1 | KNOWLES | SPU0410LR5H-QB-7 | U4 |
| 29 | Sensor | MEMS Module 3-Axis Accelerometer, 3-Axis Magnetometer 1.71V to 3.6V, ±16g LGA-12 | 1 | ST | LSM303AGRTR | U6 |
| 30 | Speaker | Speaker magnetic 9mm SMT | 1 | JIANGSU HUANENG | MLT-8530 | SP1 |
| 31 | Tactile Switch | Switch Tactile SPST 6mm J Lead | 3 | DIPTRONICS | DTSJ-61K-Q-T/R | SW1,SW2,SW3 |
| 32 | Thick film Resistor | Resistor 100K 1% 62.5mW 0402 Thick Film | 2 | MULTICOMP | MCWR04X1003FTL | R17,R24 |
| 33 | Thick film Resistor | Resistor 100R 5% 125mW 0805 Thick Film | 1 | YAGEO | RC0805JR-07100RL | R59 |
| 34 | Thick film Resistor | Resistor 105R 1% 100mW 0402 Thick Film | 6 | PANASONIC | ERJ2RKF1050X | R11,R28,R45,R46,R48,R49 |
| 35 | Thick film Resistor | Resistor 10K 1% 62.5mW 0402 Thick Film | 7 | MULTICOMP | MC00625W0402110K | R4,R5,R19,R22,R27,R37,R61 |
| 36 | Thick film Resistor | Resistor 10M 1% 62.5mW 0402 Thick Film | 4 | MULTICOMP | MCWR04X1005FTL | R7,R8,R9,R53 |
| 37 | Thick film Resistor | Resistor 10R 5% 62.5mW 0402 Thick Film | 1 | YAGEO | RC0402JR-0710RL | R60 |
| 38 | Thick film Resistor | Resistor 120R 5% 100mW 0603 Thick Film | 1 | YAGEO | RC0603JR-07120RL | R16 |
| 39 | Thick film Resistor | Resistor 1K 1% 62.5mW 0402 Thick Film | 3 | MULTICOMP | MC00625W040211K | R51,R52,R63 |
| 40 | Thick film Resistor | Resistor 220R 1% 100mW 0402 Thick Film | 2 | PANASONIC | ERJ-2RKF2200X | R38,R39 |
| 41 | Thick film Resistor | Resistor 33K 5% 62.5mW 0402 Thick Film | 1 | YAGEO | RC0402JR-0733KL | R62 |
| 42 | Thick film Resistor | Resistor 4.7K 1% 62.5mW 0402 Thick Film | 4 | MULTICOMP | MC00625W040214K7 | R1,R2,R50,R55 |
| 43 | Thick film Resistor | Resistor 47K 5% 62.5mW 0402 Thick Film | 1 | YAGEO | RC0402JR-0747KL | R15 |
| 44 | Thick film Resistor | Resistor 68R 5% 62.5mW 0402 Thick Film | 3 | YAGEO | RC0402JR-0768RL | R42,R43,R58 |
| 45 | Thick film Resistor | Resistor 0R 5% 62.5mW 0402 Thick Film | 4 | MULTICOMP | MCSR04X000PTL | R13,R47,R54,R56 |
| 46 | Transistor | MOSFET N-Channel 20V 1.4A SOT-323-3 | 1 | INFINEON | BSS816NW | T2 |
| 47 | Transistor | Transistor NPN 100mA 50V DC Single 3-Pin SC-75 | 4 | ONSEMICONDUCTOR | DTC143EET1G | T3,T4,T5,T7 |
| 48 | Transistor | Transistor PNP 50V 100mA 200mW SC-75 | 1 | ONSEMICONDUCTOR | DTA143ZET1G | T1 |
| 49 | USB Connector | USB Connector, Micro USB Type A B SMT RA | 1 | AdamTech | MCR-B-S-RA-SMT-CS5-T/R | J3 |
| 50 | Voltage Regulator | LDO Voltage Regulator 3.3V and 300mA out, µDFN-4 | 1 | ONSEMI | NCP114BMX330TCG | U3 |