| Microcontroller is 8051
AT89S52 40-pin compatible mcu |
| Crystal frequency in 11.0592MHz |
| ISP in-system programming port compatible with the
original ATMEL ISP cable |
| AMS1117-5V voltage regulator |
| MAX232 for debug and communication with a PC for data
analysis |
| Sensirion SHT10 digital humidity and
temperature sensor |
| Philips PCF8563
Real-time-clock with 0.047F super cap for power backup |
| Atmel 24C256 EEPROM (256kbits, 32kbyte) |
| 5-way navigator joystick |
| Piezo sounder with amplification circuit |
| 40-pin IDE-cable
compatible extension port for xdata ROM/RAM extension.
Selection jumper for EA pin shorted to ground or +5V
available |
| JHD12864J dot-matrix monochrome LCD with MOSFET control
on backlight power. Controller is Samsung KS0108B |
| 1.6mm double-side PCB with silk-screen printing, size 125mmx88mm |
