Msense
About the Msense PCB
Msense is an open source Nordic nRF PCB design by fredriknk, published on GitHub under the MIT license. It is a 4-layer board measuring 91 × 30 mm, with 106 components from 47 distinct parts.
Its main chip is the nRF9160-SICA-B1A-R7, from the Nordic nRF family. Other key parts include the LV2862XLVDDCR, ADS1115IDGSR, nPM1300-QEAA-R7, BME680 and USBLC6-4SC6. By type, the board carries 35 capacitors, 35 resistors, 11 diodes, 7 ICs, 6 connectors and 4 inductors.
Main components on the Msense
Msense bill of materials (BOM)
106 components, 47 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LV2862XLVDDCR LV2862XDDC | SOT-23-6 | U1 |
| 1 | ADS1115IDGSR ADS1115IDGST | TSSOP-10_3x3mm_P0.5mm | U2 |
| 1 | nPM1300-QEAA-R7 nPM1300-QEXX | QFN-32-1EP_5x5mm_P0.5mm_EP3.6x3.6mm_ThermalVias | U3 |
| 1 | nRF9160-SICA-B1A-R7 nRF9160-SICA | LGA_9160_16.0x10.5mm | U5 |
| 1 | BME680 | Bosch_LGA-8_3x3mm_P0.8mm_ClockwisePinNumbering | U6 |
| 1 | USBLC6-4SC6 | SOT-23-6 | U8 |
| 1 | TPS22917DBVR TPS22917DBV | SOT-23-6 | U9 |
| 2 | FDS6898A | SOIC-8_3.9x4.9mm_P1.27mm | Q1, Q2 |
| 2 | U.FL-R-SMT-1 HIROSE ELECTRIC U.FL-R-SMT-1 | U.FL_Hirose_U.FL-R-SMT-1_Vertical | J1, J4 |
| 1 | SS-12800-004 IEC61076-2_M8_A-coding_01x04_Receptacle_Shielded | STEWART_SS-12800-004_M8_04_Socket_Right_Angle | J2 |
| 1 | 693043020611 | 693043020611 | J3 |
| 1 | CONN_01X13_PIN Conn_01x13_Pin | PinHeader_1x13_P2.54mm_Vertical | J5 |
| 1 | BD125-10-A-0305-0580-L-B JLINK | SEXY_pinpogo | J6 |
| 1 | BH-18650-PC2 | BatteryHolder_MPD_BH-18650-PC2 | BT1 |
| 1 | 0805L110WR | Fuse_0805_2012Metric | F1 |
| 1 | TGS8410 | TGS8410 | S1 |
| 2 | KMR223GLFG KMR223NGLFG | SW_Push_1P1T_NO_CK_KMR2 | SW1, SW3 |
| 1 | NTCG163JF103FT1 10k NTC | R_0603_1608Metric | TH1 |
| 3 | MSS1P3L-M3/89A | D_MicroSMP_AK | D1, D2, D8 |
| 4 | SD0603S040S0R2 | D_0603_1608Metric | D3, D4, D5, D6 |
Show 27 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LG L29K-G2J1-24-Z | LED_0603_1608Metric | D7 |
| 3 | LG L29K-G2J1-24-Z LED | LED_0603_1608Metric | D9, D10, D11 |
| 1 | AMDLA4020S-220MT 22uH | L_Abracon_AMDLA4020S | L1 |
| 1 | LQW15AN39NJ8ZD 39NH | C_0402_1005Metric_Sqr | L2 |
| 1 | CVH252009-2R2M 2.2uH | L_1008_2520Metric | L3 |
| 1 | LQW15AN68NG0ZD 68 nH | C_0402_1005Metric_Sqr | L8 |
| 9 | 0.1UF 0.1uF | C_0603_1608Metric | C1, C2, C4, C13, C14, C32, C34, C36 +1 |
| 6 | 4.7UF 4.7uF | C_0603_1608Metric | C5, C6, C7, C15, C23, C25 |
| 1 | 2.2UF 2.2uF | C_0805_2012Metric | C8 |
| 3 | 10UF 10uF | C_0805_2012Metric | C10, C12, C37 |
| 7 | 1UF 1uF | C_0603_1608Metric | C11, C16, C17, C20, C28, C31, C39 |
| 2 | 47UF 47uF | C_0805_2012Metric | C21, C22 |
| 1 | 1NF 1nF | C_0603_1608Metric | C24 |
| 4 | VJ0402D150FXCAJ 15pF | C_0402_1005Metric_Sqr | C26, C27, C33, C35 |
| 2 | CBR04C560F1GAC 56pF | C_0402_1005Metric_Sqr | C29, C30 |
| 1 | 68K 68k | R_0603_1608Metric | R1 |
| 4 | 470R | R_0603_1608Metric | R2, R3, R5, R12 |
| 2 | 1k | R_0603_1608Metric | R4, R8 |
| 4 | 0R | R_0402_1005Metric | R6, R31, R32, R33 |
| 9 | 0R | R_0603_1608Metric | R7, R21, R22, R26, R27, R28, R30, R34 +1 |
| 1 | 12K 12k | R_0603_1608Metric | R9 |
| 5 | 1M | R_0603_1608Metric | R10, R11, R17, R24, R25 |
| 1 | 56K 56k | R_0603_1608Metric | R13 |
| 3 | 10K 10k | R_0603_1608Metric | R14, R16, R23 |
| 1 | 15K 15k | R_0603_1608Metric | R15 |
| 3 | 100R | R_0603_1608Metric | R18, R19, R20 |
| 1 | 150R | R_0603_1608Metric | R29 |
Msense design files
The KiCad project lives in the fredriknk/msense repository on GitHub; these links point at the commit this page was built from.
Msense: common questions
What microcontroller does the Msense use?
The Msense is built around the nRF9160-SICA-B1A-R7, from the Nordic nRF family.
How big is the Msense PCB?
The Msense measures 91 × 30 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Msense?
106 components, from 47 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 Msense design files?
From the fredriknk/msense repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Msense design in my own project?
Yes, under the terms of its MIT license, which fredriknk chose for the repository.
Can I test firmware for the Msense without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.
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