Main Boards
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Main Board)
Main Boards are "the brains". They are simple electronic circuits ready for connecting any Module to them.
- Based on a PIC12F683
- 8 pin
- Power supply: 2.0 to 5.5V
- Program memory: 3584 bytes (2048 instructions)
- RAM: 128 bytes
- EEPROM: 256 bytes
- 31kHz-8MHz internal oscillator
- Up to 20MHz external oscillator
- Two 8-bit timers. One 16-bit timer
- 10-bit, 4-channel Analog-to-Digital Converter
- CCP/PWM
- Analog Comparator module
- ICSP connector
- Up to 6 data input/outputs
- One decoupling capacitor
- Based on a PIC16F688
- 14 pin
- Power supply: 2.0 to 5.5V
- Program memory: 7168 bytes (4096 instructions)
- RAM: 256 bytes
- EEPROM: 256 bytes
- 32kHz-8MHz internal oscillator
- Up to 20MHz external oscillator
- One 8-bit timer. One 16-bit timer
- 10-bit, 8-channel Analog-to-Digital Converter
- EUSART
- Dual Analog Comparator module
- ICSP connector
- Up to 12 data input/outputs
- Two decoupling capacitors
- Based on a PIC16F88
- 18 pin
- Power supply: 2.0 to 5.5V
- Program memory: 7168 bytes (4096 instructions)
- RAM: 360 bytes
- EEPROM: 256 bytes
- 31kHz-8MHz internal oscillator
- Up to 20MHz external oscillator
- Two 8-bit timers. One 16-bit timer
- CPP/PWM
- 10-bit, 7-channel Analog-to-Digital Converter
- SPP (SPI/I2C)
- AUSART/SCI/RS-232
- Dual Analog Comparator module
- ICSP connector
- Up to 16 data input/outputs
- I2C connector with pull-ups
- Two decoupling capacitors
- Based on a PIC16F722
- 28 pin
- Power supply: 1.8 to 5.5V
- Program memory: 3584 bytes (2048 instructions)
- RAM: 128 bytes
- 62.5kHz-16MHz internal oscillator
- Up to 20MHz external oscillator
- Two 8-bit timers. One 16-bit timer
- 2x CPP/PWM
- 8-bit, 11-channel Analog-to-Digital Converter
- SPP (SPI, slave I2C, master I2C must be implemented in software)
- AUSART
- Capacitive sensing module
- ICSP connector
- Up to 25 data input/outputs
- I2C connector with pull-ups
- Two decoupling capacitors
- WARNING: Not supported by SDCC compiler

- Based on a PIC16F887
- 40 pin
- Power supply: 2.0 to 5.5V
- Program memory: 14336 bytes (8192 instructions)
- RAM: 368 bytes
- EEPROM: 256 bytes
- 31kHz-8MHz internal oscillator
- Up to 20MHz external oscillator
- Two 8-bit timers. One 16-bit timer
- Two CPP/PWM modules
- 10-bit, 14-channel Analog-to-Digital Converter
- MSPP (SPI, master/slave I2C)
- EUSART/SCI/RS-232
- Dual Analog Comparator module
- ICSP connector
- Up to 35 data input/outputs
- Three I2C connectors with pull-ups
- Two decoupling capacitors
- One independent power connector, with enough room for more