2 layers88.9 × 76.2 mm
CHRP400
mirobotech/CHRP400
CHRP4 (Common Hardware Robotics Project 4, rev. 0) KiCad schematic and PCB design files.
78 partsMIT
2 layers88.9 × 38.1 mm
UBMP430
mirobotech/UBMP430UBMP430 KiCad files
- Size
- 88.9 × 38.1 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 64
- Nets
- 48
- Pads
- 180
- Tracks, vias
- 369, 3
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 26 Apr 2023
- Updated
- 20 Jan 2026
Overview
UBMP430 is an open-source printed circuit board by mirobotech, from the mirobotech/UBMP430 repository on GitHub, published under the MIT licence. It is a 2-layer board of 88.9 × 38.1 mm with 64 parts on 48 nets, routed with 369 tracks and 3 vias.
It is built around the TEPT4400, TSOP38238 and OED-EL-1L2. Its parts include 24 resistors, 6 capacitors, 6 diodes, 5 switches and 2 ICs. It belongs with the PIC boards of this library.
Main components
3
TEPT4400
插件,P=2.54mm-40℃~+85℃ 3nA Light Intensity 插件,P=2.54mm Ambient Light Sensors ROHSVishay IntertechnologyAmbient Light Sensors
TSOP38238
SIP-3-2.54mm-25℃~+85℃ 10mW 2.5V~5.5V 350uA 38kHz 45m ±45° SIP-3-2.54mm Infrared Remote Receiver (IRM) ROHSVishay IntertechnologyInfrared Remote Receiver (IRM)
OED-EL-1L2
插件-25℃~+85℃ 1.2V 60° 940nm 插件 Infrared LED Emitters ROHSLumexInfrared LED Emitters
README
README.mdUBMP430
UBMP430 (USB-Based Beginner Multipurpose Project 4, rev. 3) KiCad schematic and PCB design files.
UBMP430 is a simple, versatile, and inexpensive microcontroller development system for everyone! The UBMP430 circuit board has a variety of simple I/O devices built-in so beginners can learn to code and make an assortment of different projects using just the parts on UBMP430 – no breadboarding, shields, or other modules are required, and external devices can be added using the expansion header.
UBMP430 was designed for learning or teaching PIC programming in C or assembly language using either Microchip’s MPLAB X IDE or their MPLAB Xpress Cloud-based IDE. The USB µC bootloader allows UBMP430 to appear as a mass storage drive for easy programming. Simply drag and drop a compiled .hex file onto the PIC16F1459 drive that shows up in your computer's device manager, and your program will start to run as soon as the file is transferred.
The bootloader makes it possible to program UBMP430 using almost any kind of device, even enabling schools with 1:1 Chromebook programs to teach real C language microcontroller programming with Github integration.
UBMP430 Hardware Features
- Microchip PIC16F1459 USB-capable microcontroller with 8k words of program FLASH (6k words free when using the USB µC bootloader), 128B of user FLASH, 1kB of RAM, 10-bit ADC, and a built-in temperature sensor
- 5 built-in pushbuttons
- 5 visible light LEDs
- 1 piezo beeper output
- optional 8-pin header for PORTC I/O pin expansion (great for servos, a SONAR module, NeoPixels, an LCD display, etc.)
- optional IR LED output for remote control transmitter applications (or a high-current transistor-driven output)
- optional IR demodulator for remote control decoding
- optional IR phototransistor or visible-light ambient light sensor for light sensing
- USB 2.0 type-C port for power and programming (updated
- 6-pin ICSP (In-Circuit Serial Programming) header for PICkit-4
UMBP430 is Open
UBMP430 is open hardware and uses open source software – we want educators to have full access to the circuit, lesson materials, and code. The following permissions and conditions apply to UBMP430:
- the KiCad UBMP430 files stored in GitHub are open hardware licensed under the terms of the MIT license (except the mirobo.tech logo - see below). You are free to use and modify the UBMP430 files to make your own UBMP430 circuit boards.
- UBMP430 programs stored in GitHub are open source software licensed under the terms of the MIT license.
- UMBP430 learning materials on the mirobo.tech website are licensed under the terms of the Creative Commons CC-BY 4.0 license.
- the USB uC bootloader is open source and licensed under the terms of the GPL3.0 license by John Izzard.
- the mirobo.tech logo mark is a trademark of mirobo Technolgy and may not be used without prior permission.
Can I buy a UBMP430?
UBMP430 boards, kits, and lab packs are available at mirobo.tech.
Bare UBMP430 printed circuit boards are also available from OSHPARK.
Parts
64| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | 100 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R3, R4, R5, R6, R11, R12, R13, R14, R15, R16, R17, R18, R22 |
| 8 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | H1, H2, H3, H4, H5, H6, H7, H8 |
| 5 | 470 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R7, R8, R9, R10 |
| 4 | LED | UBMP430-Library:LED_D3.0mm | D2, D3, D4, D5 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_Pad | MH1, MH2, MH3, MH4 |
| 4 | SW_Push | Button_Switch_THT:SW_PUSH_6mm | SW2, SW3, SW4, SW5 |
| 2 | 100nF | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C2, C5 |
| 2 | 1k0 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R19, R21 |
| 2 | 5k1 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R23, R24 |
| 1 | 100Z Ferrite | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | FB1 |
| 1 | 10nF(opt.) | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C4 |
| 1 | 1uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 2N3904 | Package_TO_SOT_THT:TO-92 | Q2 |
| 1 | 470nF | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C3 |
| 1 | 47uf(opt.) | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C6 |
| 1 | 4k7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R20 |
| 1 | Battery | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | BT1 |
| 1 | ICSP | UBMP430-Library:PinHeader_1x06_P2.54mm_Horizontal | H9 |
| 1 | Logo_Open_Hardware_Small | Symbol:OSHW-Symbol_6.7x6mm_SilkScreen | G2 |
| 1 | OED-EL-1L2 | UBMP430-Library:LED_D5.0mm_Horizontal_O1.27mm_Z3.0mm_Clear | D6 |
| 1 | PIC16F1459-IP | Package_DIP:DIP-20_W7.62mm_Socket | U1 |
| 1 | PROG | Button_Switch_THT:SW_PUSH_6mm | SW1 |
| 1 | Piezo Beeper | Buzzer_Beeper:Buzzer_TDK_PS1240P02BT_D12.2mm_H6.5mm | LS1 |
| 1 | RUN | UBMP430-Library:LED_D3.0mm | D1 |
| 1 | TEPT4400 | LED_THT:LED_D3.0mm_Clear | Q1 |
| 1 | TSOP38238 | OptoDevice:Vishay_MINICAST-3Pin | U2 |
| 1 | USB2 TYPE-C | Connector_USB:USB_C_Receptacle_GCT_USB4085 | J1 |
| 1 | mirobotech_logo | UBMP430-Library:mirobo_logo_10 | G1 |
Questions
How big is the UBMP430 PCB?
It measures 88.9 × 38.1 mm and has 2 copper layers, 1.6 mm thick.
What parts does the UBMP430 use?
64 parts, built around the TEPT4400, TSOP38238 and OED-EL-1L2. 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 UBMP430 KiCad files?
From the mirobotech/UBMP430 repository on GitHub, at the commit this page was made from: the board is UBMP430.kicad_pcb and its schematic UBMP430.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the UBMP430 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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