| MCU | Microchip PIC 16F1939 |
| MCU SPEED | 32 Mhz |
| MCU Program Memory | 28K Bytes |
| MCU Ram | 1024 Bytes |
| Analog I/O | 6, 10-bit Analog Pins |
| Digital I/O | 13, Digital Pins |
| PWM | 5, 10-bit PWM Pins |
| LCD | 16 Pin Parallel LCD Interface, Supports up to 4 Line LCD |
| EEPROM | 256 Byte EEPROM Storage |
| i2c | Software Configurable i2c Communication Functions |
| SPI | Software Configurable SPI Communication Functions |
| Serial | Software Configurable Serial Functions for MCU to MCU Direct Communications |
| 1-Wire | Software Configurable 1-Wire Communication Functions |
| Pulse In/Out | Software Configurable Pulse In / Out Functions |
| Sound | Built-In Functions for Sound Generation: Arbitrary Frequency Generator, Misc. Sound / Tone Generator, DTMF Generator |
| ICSP | ICSP Interface for firmware updates or override pyMCU firmware with custom code |
| USB | FTDI FT232R USB to UART Interface |
| POWER | Power Supplied by USB 25mA Source / Sink Current I/O 500mA Max Draw from USB Solder Jumper J1 Configurable for 3.3V or 5.0V Operation. Battery operatable 1.8V - 5.5V for use when overriding pyMCU firmware with custom code |
| Measurements | L = 2.45" (62.2mm) W = 1.45" (37.0mm) |