HardLabs

LoRa-STM32WL-DevKit

OLIMEX·LoRa-STM32WL-DevKIT·HARDWARE/LoRa-STM32WL-DevKIT/LoRa-STM32WL-DevKit-RevD1/LoRa-STM32WL-DevKit_RevD1.kicad_pcb

LoRa-STM32WL-DevKit PCB layout, top view — open source STM32 board by OLIMEX

About the LoRa-STM32WL-DevKit PCB

LoRa-STM32WL-DevKit is an open source STM32 PCB design by OLIMEX, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 58.4 × 55.9 mm, with 58 components from 34 distinct parts.

Its main chip is the STM32L052K8U3, from the STM32 family. Other key parts include the ME6210A33PG, IIS2MDCTR, NA(BME280) and AHT20. By type, the board carries 19 resistors, 13 capacitors, 5 ICs, 3 LEDs, 1 connector and 1 diode.

It belongs with the sensors, usb & debug tools and rf & radio designs in this gallery.

From the project

STM32WL SOC LoRa / LoRaWAN development board with JTAG debugger and sensors for light, temperature, humidity, pressure, 3-axis digital magnetometer

Product page: https://www.olimex.com/Products/IoT/LoRa/LoRa-STM32WL-DevKit/

Main components on the LoRa-STM32WL-DevKit

ME6210A33PGSTM32L052K8U3IIS2MDCTRNA(BME280)AHT20

LoRa-STM32WL-DevKit bill of materials (BOM)

58 components, 34 distinct parts.

QtyPartRefs
1
ME6210A33PG
U1
1
STM32L052K8U3
U2
1
IIS2MDCTR
U3
1
NA(BME280)
U4
1
AHT20
U5
1
HN1X10
CON1
1
BTH-DP-AA-LF(BH311P)
BAT1
1
HN1x2
BATTERY1
1
2xPN_F-D-1X12-LF
BB-STM32WL_PLATFORM1
2
T1107A(6x3,8x2,5MM)
BUTTON1, RESET1
2
WPM2015-3/TR
FET1, FET2
4
Mounting_Hole_NPTH
MH1, MH2, MH3, MH4
1
NA
SB1
1
SJ_Closed_Board_Mounted
SJ1
1
BH10S(B-D-02x5-LF)
UEXT1
1
MISB-SWMM-5B-LF
USB1
1
LED/0603/RED/300 mCd
LED1
1
LED/0603/GREEN/300 mCd
LED2
1
LED/0603/YELLOW/150 mCd
LED3
1
1N5819(S4 SOD-123)
D1
Show 14 more
QtyPartRefs
1
FB0805/600R/2A
L1
3
4.7uF/6.3V
C1, C4, C7
3
100nF/10V/20%/X5R
C2, C3, C12
2
2.2uF/6.3V/20%
C5, C11
3
220nF/+80-20%/10VDC
C6, C8, C10
1
NA(4.7uF/6.3V)
C9
1
22uF/6.3V
C13
3
220R
R1, R5, R6
2
1.5K
R2, R4
3
2.2K
R3, R14, R16
2
22R
R7, R12
1
SNS-LDR5MM
R8
7
10K
R9, R10, R11, R13, R15, R17, R18
1
100K
R19

LoRa-STM32WL-DevKit design files

The KiCad project lives in the OLIMEX/LoRa-STM32WL-DevKIT repository on GitHub; these links point at the commit this page was built from.

LoRa-STM32WL-DevKit: common questions

What microcontroller does the LoRa-STM32WL-DevKit use?

The LoRa-STM32WL-DevKit is built around the STM32L052K8U3, from the STM32 family.

How big is the LoRa-STM32WL-DevKit PCB?

The LoRa-STM32WL-DevKit measures 58.4 × 55.9 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LoRa-STM32WL-DevKit?

58 components, from 34 distinct parts. The full bill of materials is listed on this page.

Where can I download the LoRa-STM32WL-DevKit design files?

From the OLIMEX/LoRa-STM32WL-DevKIT repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the LoRa-STM32WL-DevKit design in my own project?

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

Can I test firmware for the LoRa-STM32WL-DevKit without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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