Analog temperature sensor, 10 mV/°C
| Supply | 4–30 V |
| Interface | Analog, 10 mV/°C |
| Range | 0…+100 °C |
Digital temperature sensor, 1-Wire, ±0.5 °C
| Supply | 3.0–5.5 V |
| Interface | 1-Wire |
| Range | −55…+125 °C |
Ultrasonic distance sensor, 2–400 cm
| Supply | 5 V |
| Interface | Trigger / echo |
| Range | 2–400 cm |
Digital temperature and humidity sensor, ±0.5 °C, ±2 % RH
| Supply | 3.3–6 V |
| Interface | Single-wire |
| Range | −40…+80 °C, 0–100 % RH |
Digital temperature and humidity sensor, ±2 °C, ±5 % RH
| Supply | 3.3–5.5 V |
| Interface | Single-wire |
| Range | 0…+50 °C, 20–90 % RH |
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 |
