2 layers71 × 73 mm
Alarm
bbokser/persuasive_waker
An open source hardware alarm clock that can't be snoozed or turned off.
71 parts3MIT
2 layers121 × 73 mm
Ponictron
bbokser/ponictron- Size
- 121 × 73 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 75
- Nets
- 88
- Pads
- 307
- Tracks, vias
- 422, 65
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 30 Nov 2025
- Updated
- 12 Oct 2026
Overview
Ponictron is an open-source printed circuit board by bbokser, from the bbokser/ponictron repository on GitHub, published under the MIT licence. It is a 2-layer board of 121 × 73 mm with 75 parts on 88 nets, routed with 422 tracks and 65 vias.
It is built around the LM358M, SHT40-BD1B-R2 and MSD-11-A, with the DMP4015SSSQ-13-VB, MAX31328NELB+ and NC7WZ14P6X among its other parts. Its parts include 19 resistors, 18 capacitors, 13 connectors, 9 ICs and 2 switches. It belongs with the RP2040 boards of this library.
Main components
12
LM358M
SOIC-8-16V~-1.5V、1.5V~16V 0℃~+70℃ 1MHz 2 20mA 2mV 3V~32V 45nA 500uA 5nA 7uV/℃ 85dB Built-in compensation SOIC-8 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
SHT40-BD1B-R2
DFN-4(1.5x1.5)-40℃~+125℃ 0%RH~100%RH 1.08V~3.6V 16bit 400nA Factory calibration、Built-in heater I2C ±0.2℃ ±1.8%RH DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHSSensirionTemperature And Humidity SensorMSD-11-A
SMD-40℃~+85℃ 1.85mm 30V Connector and Ejector MicroSD Card (TF Card) Push-Pull With Locating Pins SMD SD Card / Memory Card Connector ROHSCUISD Card / Memory Card ConnectorDMP4015SSSQ-13-VB
SO-8MOSFETsVBsemi Elec
MAX31328NELB+
LGA-10(5x5)-40℃~+85℃ 2.3V~5.5V 200uA 660nA Built-in I2C Temperature compensation、Backup power management and battery charging、Programmable clock output、Alarm function、Periodic interrupt output Yes LGA-10(5x5) Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time Clocks
NC7WZ14P6X
SC-70-6(SOT-363)-40℃~+85℃ 1.4V~3.6V 1.65V~5.5V 1uA 2 2 200mV~1.2V 32mA 32mA 4.9ns@5V,50pF 7WZ Series Schmitt trigger 电源关断保护、噪声抑制功能 SC-70-6(SOT-363) Inverters ROHSonsemiInverters
PEC11S-929K-S0015
SMD-40℃~+70℃ 10mA 30/15 5V Incremental Support Two-phase output Vertical welding SMD Rotary Encoders ROHSBournsRotary Encoders
TL3301BF260QJ
--20℃~+70℃ 12V 2.6N 50mA J-Lead Round Button SPST-NO Surface Mount,Vertical - Tactile Switches ROHSE-SwitchTactile Switches
DMG2305UX-7
SOT-23-55℃~+150℃ 1 P-Channel 1.4W 10.2nC@4.5V 20V 52mΩ@4.5V、100mΩ@2.5V 5A 77pF 808pF 85pF 900mV P-Channel SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETsFC68148S
-12V 2.1mm 2A 6.4mm DC Power Jack Surface Mount, Right Angle - DC Power Connectors ROHSCliffDC Power Connectors
RJCSE538001
SMD-55℃~+85℃ 1 Gold Non-LED Phosphor bronze Shielded Surface Mount, Right Angle SMD Ethernet Connectors / Modular Connectors (RJ45 RJ11) ROHSAmphenolEthernet Connectors / Modular Connectors (RJ45 RJ11)SRR6028-3R9Y
SMD,6.8x6.8mm2.3A 3.9uH 32mΩ ±30% SMD,6.8x6.8mm Power Inductors ROHSBournsPower Inductors
README
README.mdaquaponics_ctrl
Parts
75| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C6, C7, C8, C10, C11, C14, C17 |
| 8 | 10kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7, R11, R12, R13, R14, R15, R16, R17 |
| 7 | 10uF | Capacitor_SMD:C_0603_1608Metric | C1, C4, C5, C9, C12, C13, C15 |
| 6 | 47kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5, R6, R8, R9, R10 |
| 5 | B3B-PH-SM4-TB_LF__SN_ | B3B-PH-SM4-TB_LF__SN_:JST_B3B-PH-SM4-TB_LF__SN_ | J4, J7, J8, J9, J10 |
| 4 | MountingHole_Pad | 78614015360:WE-SMSA_78614015360 | H1, H2, H3, H4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_2.7mm_M2.5_DIN965_Pad | H5, H6, H7, H8 |
| 2 | 1kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R18 |
| 2 | 22uF | Capacitor_SMD:C_0603_1608Metric | C16, C18 |
| 2 | 470531000 | 0470531000:CONN_SD-47053-001_H10p00_MOL | J5, J11 |
| 2 | Conn_01x10 | Connector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_Vertical | J2, J6 |
| 2 | TL3301BF260QJ | SamacSys_Parts:TL3301BF260QJ | S1, S2 |
| 1 | 100Ω | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R19 |
| 1 | 2kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2 |
| 1 | 4.7kΩ | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | ADC_VREF | TestPoint:TestPoint_Pad_1.5x1.5mm | TP2 |
| 1 | AP63203WU-7 | AP63203WU-7:AP63203WU-7_DIO | U4 |
| 1 | Bootsel | TestPoint:TestPoint_Pad_1.5x1.5mm | TP1 |
| 1 | CPT-1203-03-SMT-TR | CPT_1203_03_SMT_TR:XDCR_CPT-1203-03-SMT-TR | LS1 |
| 1 | DMG2305UX-7 | SamacSys_Parts:SOT96P240X115-3N | Q1 |
| 1 | DMP4015SSSQ-13 | DMP4015SSSQ-13:SO8_DIO | U6 |
| 1 | FC68148S | FC68148S:FC68148S_CLF | J13 |
| 1 | LM358M | LM358M:8-SOP_OSI | U2 |
| 1 | MAX31328NELB+ | SamacSys_Parts:MAX31328NELB | IC2 |
| 1 | MCP4725A1T-E/CH | MCP4725A1T_E_CH:SOT-23-6_MC_MCH | U3 |
| 1 | MSD-11-A | MSD_11_A:CUI_MSD-11-A | J3 |
| 1 | NC7WZ14P6X | NC7WZ14P6X:SC70-6_ONS | U5 |
| 1 | PEC11S-929K-S0015 | SamacSys_Parts:PEC11S929KS0015 | IC3 |
| 1 | RJCSE538001 | RJCSE538001:AMPHENOL_RJCSE538001 | J1 |
| 1 | RTC_INT | TestPoint:TestPoint_Pad_1.5x1.5mm | TP3 |
| 1 | RaspberryPi_Pico | Module_RaspberryPi_Pico:RaspberryPi_Pico_Original_SMD | U1 |
| 1 | SHT40-BD1B-R2 | SamacSys_Parts:SHT40BD1BR2 | IC1 |
| 1 | SM04B-SRSS-TB_LF__SN__P_ | SamacSys_Parts:SM04BSRSSTBLFSNP | J12 |
| 1 | SRR6028-3R9Y | SRR6028-3R9Y:IND_BOURNS_SRR6028 | L1 |
Questions
How big is the Ponictron PCB?
It measures 121 × 73 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Ponictron use?
75 parts, built around the LM358M, SHT40-BD1B-R2, MSD-11-A and DMP4015SSSQ-13-VB. 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 Ponictron KiCad files?
From the bbokser/ponictron repository on GitHub, at the commit this page was made from: the board is hw/ponictron.kicad_pcb and its schematic hw/ponictron.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Ponictron 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).
Similar boards
- 2 layers186.2 × 66.3 mm
Rf main
esden/mcHF-kicad
This repository contains the KiCad import of the Altium design files for the mcHF QRP radio.
314 parts3 - 4 layers200 × 99 mm
MRIRobot PCB
biomimetics/MRIRobot_PCB
PC boards for MRI robogt control, specifically for STM32 motherboard
339 parts2 - 6 layers50 × 50 mm
- 2 layers100 × 66 mm
- 4 layers96 × 70 mm
Tradewind
binaryBeachLLC/tradewind
Tradewind TW-1: solar LoRaWAN field sensor. KiCad 9 board, CadQuery enclosure, RUI3 firmware, simulations, test data, report and datasheet.
85 parts - 2 layers103 × 74.2 mm
LED CONTROLLER POT FO41B007FF584
manhoosbilli1/led-dimmer-pot-controller
Potentiometer-controlled LED dimmer board
42 parts - 4 layers88.9 × 96.5 mm
Ers s32-board
schrodlm/nxp_hal
In this assignment the target platform changes from the STM32F407 to the NXP S32K118, an Arm Cortex‑M0+ microcontroller from the S32K1xx automotive family.
138 parts