Capacitive soil moisture sensor, corrosion resistant
| Supply | 3.3–5.5 V |
| Interface | Analog |
| Range | Soil moisture |
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 |
RP2350 development board with Wi-Fi and Bluetooth
| Radio | Wi-Fi 2.4 GHz, BT 5.2 |
| Flash | 4 MB |
| MCU | RP2350, 2× Cortex-M33 / RISC-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 |
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 |
General-purpose relay, DPDT, 5 A, 24 V DC coil, LED indicator
| Contacts | DPDT, 5 A |
| Coil | 24 V DC |
| Mount | Socket |
Solid-state relay, 2 A, 100–240 V AC, 5 V DC input
| Contacts | SPST-NO, 2 A, 240 V AC |
| Coil | 5 V DC |
| Mount | PCB |
