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NB-IoT-DevKit Rev B

OLIMEX·NB-IoT·HARDWARE/NB-IoT-DevKit_Rev_B/NB-IoT-DevKit_Rev_B.kicad_pcb

NB-IoT-DevKit Rev B PCB layout, top view — open source board by OLIMEX
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About the NB-IoT-DevKit Rev B PCB

NB-IoT-DevKit Rev B is an open source PCB design by OLIMEX, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 25.4 × 40.6 mm, with 105 components from 51 distinct parts.

Other key parts include the SY8089AAAC(SOT23-5), BL4054B-42TPRN(SOT23-5), CH340T(SSOP20W), PCA9306DCUR(VSSOP-8) and TXB0108PWR(TSSOP-20). By type, the board carries 33 resistors, 28 capacitors, 7 ICs, 5 transformers, 5 diodes and 3 inductors.

It belongs with the iot & wireless, rf & radio and power & battery designs in this gallery.

From the project

NB-IoT is LPWAN technology for IoT

NB-IoT technology works over existing GSM network. This means all existing GSM networks with LTE can support NB-IoT if the protocol is installed by your GSM operator. One base cell can talk up to 100 000 NB-IoT nodes. One base cell can establish connection in urban area 1-10km and in rural area 10-100km One NB-IoT node can last on battery up to 10 years if less 200 bytes per day are transmitted

Main components on the NB-IoT-DevKit Rev B

SY8089AAAC(SOT23-5)BL4054B-42TPRN(SOT23-5)CH340T(SSOP20W)PCA9306DCUR(VSSOP-8)TXB0108PWR(TSSOP-20)Quectel_NB-IoT_BC66_Module(Pinout-OpenCPU)

NB-IoT-DevKit Rev B bill of materials (BOM)

105 components, 51 distinct parts.

QtyPartRefs
1
SY8089AAAC(SOT23-5)
U1
1
BL4054B-42TPRN(SOT23-5)
U2
1
CH340T(SSOP20W)
U3
1
PCA9306DCUR(VSSOP-8)
U4
2
TXB0108PWR(TSSOP-20)
U5, U7
1
Quectel_NB-IoT_BC66_Module(Pinout-OpenCPU)
U6
1
Q12MHz/20pF/10ppm/4P/3.2x2.5mm
Q1
1
Soldered/Opened
3.3V/VCCB1
2
Soldered
3.3V_E1, Start_E1
1
U.FL-R-SMT-1
ANT1
1
DW02S
BAT1
1
BAT:Soldered/EXT:Opened
BAT/EXT1
2
HN1x10
EXT1, EXT2
1
HN1x6
EXT3
1
HN1x3
EXT4
3
WPM2015-3/TR
FET1, FET2, FET3
2
BSS138(SOT23-3)
FET4, FET5
2
IT1185AU2
PWR_KEY1, RST_KEY1
1
SIM-SMT-6P(NASCT-W0012X-06-LF)
SIM1
3
BSS138(SOT23-3)
T1, T4, T5
Show 31 more
QtyPartRefs
2
BC817(SOT23-3)
T2, T3
1
MISB-SWMM-5B-LF(USB_MICRO)
USB-UART1
1
AP1231-1.8V(SOT23-5)
VR1
1
HAB-VCR-010-LF
mUEXT1
1
LED/YELLOW/0603
CHRG1
1
LED/Green/0603
LED_Netlight1
4
1N5819S4/SOD123
D1, D2, D3, D5
1
BAT54A(SOT23-3)
D4
1
2.2uH/1.5A/DCR=72mR/20%/3.00x3.00x1.50mm/CD32(NR3015T2R2M)
L1
1
FB0603/600R/200mA(160808-601)
L2
1
0R/R0402
L3
1
1nF/50V/10%/X7R/C0402
C1
7
22uF/6.3V/20%/X5R/C0603
C2, C3, C4, C5, C9, C27, C28
8
100nF/10V/10%/X5R/C0402
C6, C12, C15, C16, C20, C23, C24, C25
2
27pF/50V/5%/C0G/C0402
C8, C11
3
NA/C0402
C13, C14, C22
1
4.7uF/6.3V/20%/X5R/C0603
C17
2
47uF/6.3V/20%/X5R/C0805
C18, C19
4
33pF/50V/5%/COG/C0402
C21, C26, C29, C30
2
100k/R0402
R1, R31
6
1M/R0402
R2, R3, R13, R25, R32, R33
2
470k/R0402
R4, R5
3
10k/R0402
R6, R16, R26
2
2.2k/R0402
R7, R10
2
220k/R0402
R8, R23
1
49.9k/1%/R0402
R9
2
100R/R0402
R11, R12
5
1.5k/R0402
R14, R17, R19, R20, R30
4
4.7k/R0402
R15, R18, R21, R22
1
NA/R0402
R24
3
22R/R0402
R27, R28, R29

NB-IoT-DevKit Rev B design files

The KiCad project lives in the OLIMEX/NB-IoT repository on GitHub; these links point at the commit this page was built from.

NB-IoT-DevKit Rev B: common questions

How big is the NB-IoT-DevKit Rev B PCB?

The NB-IoT-DevKit Rev B measures 25.4 × 40.6 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the NB-IoT-DevKit Rev B?

105 components, from 51 distinct parts. The full bill of materials is listed on this page.

Where can I download the NB-IoT-DevKit Rev B design files?

From the OLIMEX/NB-IoT repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the NB-IoT-DevKit Rev B design in my own project?

Yes, under the terms of its GPL-3.0 license, which OLIMEX chose for the repository.

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