2 layers74 × 36 mm
Ch32v305-currentmonitor
cnlohr/cnhardware
My dumping grounds for all my kicad projects and random hardware bringup.
104 parts114
4 layers33 × 20 mm
Progressive logger hardware part
- Size
- 33 × 20 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 55
- Nets
- 52
- Pads
- 213
- Tracks, vias
- 679, 119
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 27 Sep 2025
- Updated
- 18 Dec 2025
Overview
PL1 is an open-source printed circuit board by Barsy-Barsevich, from the Barsy-Barsevich/Barsotion-PL1 repository on GitHub, published under the MIT licence. It is a 4-layer board of 33 × 20 mm with 55 parts on 52 nets, routed with 679 tracks and 119 vias.
It is built around the CH32V305GBU6, BMP388 and MKDV32GCL-STPA, with the AP2112K-3.3, ICM-45686 and TP4057 among its other parts. Its parts include 18 capacitors, 14 resistors, 7 ICs, 3 connectors and 2 diodes. It belongs with the RISC-V boards of this library.
Main components
8
CH32V305GBU6
QFN-28(4x4)QFN-28(4x4) Microcontrollers (MCU/MPU/SOC) ROHSWCH (Nanjing Qinheng Microelectronics)Microcontrollers (MCU/MPU/SOC)
BMP388
LGA-10(2x2)-40℃~+85℃ 1.65V~3.6V 1pa/K 2uA 30Kpa~1.25bar 50pa 8pa I2C、SPI LGA-10(2x2) Pressure Sensors ROHSBosch SensortecPressure Sensors
MKDV32GCL-STPA
LGA-8(6.6x8)-25℃~+85℃ 190uA 2.7V~3.6V 32Gbit 5,000 cycles 50MHz Read buffer function、ECC error correction function、Bad block management function SPI Yes LGA-8(6.6x8) NAND FLASH ROHSMKNAND FLASH
AP2112K-3.3
SOT253.3V 600mA CMOS Low Dropout Linear Regulator with EnableDiodes IncorporatedUncategorised
ICM-45686
LGA-14(3x2.5)-40℃~+85℃ 1.71V~3.6V 16bit 2.2uA 8KB IMU (accelerometer + gyroscope) Motion event detection SPI、I2C X,Y,Z X,Y,Z ±32g ±4000dps LGA-14(3x2.5) Accelerometers ROHSTDK InvenSenseAccelerometers
TP4057
SOT-23-6-40℃~+85℃ 1 25uA 4.24V 4V~6.5V Charging IC Lithium Battery Not supported SOT-23-6 Battery Management ROHSTECH PUBLICBattery ManagementUSBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)
KMS231GLFS
SMD,4.6x2.8mm-40℃~+85℃ 2.8mm 32V 3N 4.6mm 50mA Gull Wing IP40 Rectangular Button SPST Surface Mount, Right Angle SMD,4.6x2.8mm Tactile Switches ROHSC&KTactile Switches
README
README.mdBarsotion PL1R1 progressive logger
the 13th board after Berkut
⚡️Abstract
descriptions will be soon.
⚡️Programming
In purpose to lighten program building for AH4 & PL1, a special program suite was created. It was named AH4-SDK.
⚡️Continious progress
- Previous board: Barsotion-AH4
Parts
55| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 0.1uF | Capacitor_SMD:C_0402_1005Metric | C7, C8, C10, C11, C12, C13, C14, C15 |
| 7 | 10k | Resistor_SMD:R_0402_1005Metric | R2, R4, R5, R6, R7, R8, R13 |
| 4 | 10uF | Capacitor_SMD:C_0402_1005Metric | C4, C5, C6, C18 |
| 4 | MountingHole | MountingHole:MountingHole_2.2mm_M2_DIN965 | H1, H2, H3, H4 |
| 3 | 12pF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C3 |
| 3 | 1uF | Capacitor_SMD:C_0402_1005Metric | C9, C16, C17 |
| 2 | 1k | Resistor_SMD:R_0402_1005Metric | R3, R12 |
| 2 | 22 | Resistor_SMD:R_0402_1005Metric | R9, R14 |
| 2 | Yellow LED | LED_SMD:LED_0603_1608Metric | D1, D2 |
| 1 | 1.4k | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | 32.768kHz | Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm | Y2 |
| 1 | 47 | Resistor_SMD:R_Array_Convex_4x0402 | RN1 |
| 1 | 5.1k | Resistor_SMD:R_Array_Convex_4x0402 | RN2 |
| 1 | 6.65k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 8.25k | Resistor_SMD:R_0402_1005Metric | R10 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U6 |
| 1 | Acc.Conn | CustomConnectors:Battery_3V7_Cable_connector_v3 | J2 |
| 1 | BMP388 | CustomPackage:BMP388_v2 | U3 |
| 1 | CH32V305GBU6 | CustomPackage:QFN28_4x4mm_2.7mm_PAD | U1 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm | Y1 |
| 1 | ICM-45686 | CustomPackage:ICM-45686 | U2 |
| 1 | KMS231GLFS | Button_Switch_SMD:SW_SPST_CK_KMS2xxG | SW1 |
| 1 | LOGO | Logos:OKB_Iva_v2_6.4x5.5mm | G*** |
| 1 | MKDV32GCL-STPA | CustomPackage:LGA-8-8x6.6-MKDV32GCL-STPA | U7 |
| 1 | Prog_conn | Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Vertical | J6 |
| 1 | TP4057 | Package_TO_SOT_SMD:TSOT-23-6 | U4 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U5 |
| 1 | USB_C | Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J1 |
The 54 most common of 55 parts.
Questions
How big is the PL1 PCB?
It measures 33 × 20 mm and has 4 copper layers, 1.6 mm thick.
What parts does the PL1 use?
55 parts, built around the CH32V305GBU6, BMP388, MKDV32GCL-STPA and AP2112K-3.3. 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 PL1 KiCad files?
From the Barsy-Barsevich/Barsotion-PL1 repository on GitHub, at the commit this page was made from: the board is PL1.kicad_pcb and its schematic PL1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PL1 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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