UBMP4.3 is a simple, versatile, and inexpensive microcontroller development system designed for learning or teaching microcontroller programming and interfacing without breadboarding by using the parts on-board.

UBMP4.3 is a minor hardware revision of UBMP4.2 and is identical except for the addition of USB-C channel configuration resistors (allowing UBMP4.3 to be powered directly from with a USB2.0 type-C to type-C cable without a USB type-A to type-C adapter) and modified silkscreen button labels to match those on the compatible CHRP4 robotics development system.

UBMP4.3 is designed to be built into a variety of projects including a Simon-style memory game, room alarm, NeoPixel driver, TV remote control, and more, and is programmed using either Microchip’s MPLAB X IDE or the cloud-based MPLAB Xpress IDE. Its USB bootloader allows UBMP4.3 to be programmed in C using almost any device – including Chromebooks!

UBMP4.3 Hardware Features

• Microchip PIC16F1459 USB-capable microcontroller with 8k words of program FLASH (6k words free when using the USB 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 (now works using USB-C to USB-C cables in addition to USB-A to USB-C cables/adapters)
• 6-pin ICSP (In-Circuit Serial Programming) header for PICkit-4

Go to mirobo.tech/ubmp4 for more information. A list of parts to build your own UBMP4.3 is available on Digi-Key.