8-bit AVR MCU, 8 KB flash, 20 MHz
| Core | AVR, 20 MHz |
| Flash / RAM | 8 KB / 512 B |
| Supply | 2.7–5.5 V |
32-bit MCU, Arm Cortex-M3, 72 MHz, 64 KB flash
| Core | Cortex-M3, 72 MHz |
| Flash / RAM | 64 KB / 20 KB |
| Supply | 2.0–3.6 V |
8-bit AVR MCU, 32 KB flash, 20 MHz
| Core | AVR, 20 MHz |
| Flash / RAM | 32 KB / 2 KB |
| Supply | 1.8–5.5 V |
8-bit AVR MCU, 32 KB flash, 20 MHz
| Core | AVR, 20 MHz |
| Flash / RAM | 32 KB / 2 KB |
| Supply | 1.8–5.5 V |
8-bit AVR MCU with USB, 32 KB flash, 16 MHz
| Core | AVR, 16 MHz |
| Flash / RAM | 32 KB / 2.5 KB |
| Supply | 2.7–5.5 V |
Analog temperature sensor, 10 mV/°C
| Supply | 4–30 V |
| Interface | Analog, 10 mV/°C |
| Range | 0…+100 °C |
ATmega2560 board, 54 digital I/O, 16 analog inputs
| Flash | 256 KB |
| MCU | ATmega2560, 16 MHz |
ATmega328P board, 16 MHz, USB (CH340), Uno R3 form factor
| Flash | 32 KB |
| MCU | ATmega328P, 16 MHz |
2-channel relay module, 10 A 250 V AC, optocoupler
| Outputs | 2 relay |
| Contacts | SPDT, 10 A 250 V AC |
| Coil | 5 V DC |
