2 layers
2 layers
Beacon
Cesium-Lab/body1PCBs
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 52
- Nets
- 44
- Pads
- 173
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 7 Aug 2025
- Updated
- 20 Apr 2026
Overview
Beacon is an open-source printed circuit board by Cesium-Lab, from the Cesium-Lab/body repository on GitHub. It is a 2-layer board with 52 parts on 44 nets.
It is built around the BME280, BAT60JFILM and KSS221GLFS, with the PS1240P02BT among its other parts. Its parts include 15 capacitors, 9 resistors, 7 connectors, 5 ICs and 2 diodes. It belongs with the STM32 boards of this library.
Main components
4
BME280
LGA-8(2.5x2.5)-40℃~+85℃ 0%RH~100%RH 1.71V~3.6V 1.8uA 16bit I2C、SPI ±0.5℃ ±3%RH LGA-8(2.5x2.5) Temperature and Humidity Sensor ROHSBoschTemperature And Humidity Sensor
BAT60JFILM
SOD-32310V 3A 580mV@1A 6uA@10V Independent SOD-323 Schottky Diodes ROHSSTMicroelectronicsSchottky Diodes
KSS221GLFS
SMD,7x3.5mm-40℃~+85℃ 1.7mm 2N 3.5mm 32V 50mA 7mm Gull Wing IP40 Rectangular Button SPST Surface Mount, Right Angle SMD,7x3.5mm Tactile Switches ROHSC&KTactile Switches
PS1240P02BT
插件,D=12.2mm-10℃~+70℃ 12.2mm 30V 3V 4kHz 5mm 7.8mm 70dB Passive (Externally Driven) Piezoelectric 插件,D=12.2mm Buzzers ROHSTDKBuzzers
README
README.mdbody
Hardware
Parts
52| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 100nF | Capacitor_SMD:C_0603_1608Metric | C4, C5, C6, C7, C8, C9, C14, C15 |
| 6 | PAD | Connector_PinSocket_2.54mm:PinSocket_1x01_P2.54mm_Vertical | H1, H2, H3, H4, H5, H6 |
| 3 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C12, C13 |
| 3 | Conn_01x02_Socket | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J3, J4, J5 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric | C10, C11 |
| 2 | 2.2k | Resistor_SMD:R_0603_1608Metric | R3, R4 |
| 2 | BAT60JFILM | Diode_SMD:D_SOD-323 | D1, D2 |
| 2 | Conn_01x06_Pin | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J1, J2 |
| 2 | Green | LED_SMD:LED_0603_1608Metric | LD1, LD2 |
| 1 | 1 | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 100 | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 10K | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric | C2 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 20 | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 30 | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 510 | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | BME280 | Package_LGA:Bosch_LGA-8_2.5x2.5mm_P0.65mm_ClockwisePinNumbering | U6 |
| 1 | Blue | LED_SMD:LED_0603_1608Metric | LD4 |
| 1 | Conn_01x02_Socket | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J6 |
| 1 | Conn_01x05_Socket | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J7 |
| 1 | FerriteBead_Small | Capacitor_SMD:C_0603_1608Metric | FB2 |
| 1 | KSS221G | Custom Footprint Library:SW_KSS221GLFS_CNK | SW1 |
| 1 | LD1117S33TR_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U4 |
| 1 | LD1117S50TR_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | MCP2542FDxMF | Package_DFN_QFN:DFN-8-1EP_3x3mm_P0.65mm_EP1.55x2.4mm | U5 |
| 1 | NMOS (2N7002NXAKR) | Package_TO_SOT_SMD:TSOT-23 | Q1 |
| 1 | PS1240P02BT | Buzzer_Beeper:Buzzer_TDK_PS1240P02BT_D12.2mm_H6.5mm | BZ1 |
| 1 | Red | LED_SMD:LED_0603_1608Metric | LD3 |
| 1 | STM32F042K6Tx | Package_QFP:LQFP-32_7x7mm_P0.8mm | U2 |
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Questions
What parts does the Beacon use?
52 parts, built around the BME280, BAT60JFILM, KSS221GLFS and PS1240P02BT. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Beacon KiCad files?
From the Cesium-Lab/body repository on GitHub, at the commit this page was made from: the board is Beacon/Beacon.kicad_pcb and its schematic Beacon/Beacon.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Beacon design in my own project?
Its repository states no licence, so its author keeps all rights: ask Cesium-Lab before reusing the design.