433 MHz transmitter and receiver pair
| Supply | 3.5–12 V TX, 5 V RX |
| Radio | ASK/OOK |
| Bands | 433 MHz |
| Interface | Digital |
Wi-Fi + Bluetooth module, dual-core, 4 MB flash
| Supply | 3.0–3.6 V |
| Radio | Wi-Fi 2.4 GHz, BT 4.2 |
| Flash | 4 MB |
GSM/GPRS module, quad-band, SMS and data
| Supply | 3.4–4.4 V |
| Bands | 850/900/1800/1900 |
| Interface | UART |
Wi-Fi + Bluetooth LE module, RISC-V, 4 MB flash
| Supply | 3.0–3.6 V |
| Radio | Wi-Fi 2.4 GHz, BLE 5 |
| Flash | 4 MB |
Wi-Fi + Bluetooth LE module, dual-core, 8 MB flash, 8 MB PSRAM
| Supply | 3.0–3.6 V |
| Radio | Wi-Fi 2.4 GHz, BLE 5 |
| Flash | 8 MB + 8 MB PSRAM |
Capacitive soil moisture sensor, corrosion resistant
| Supply | 3.3–5.5 V |
| Interface | Analog |
| Range | Soil moisture |
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 |
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 |
Power relay, SPDT, 10 A, 12 V DC coil
| Contacts | SPDT, 10 A |
| Coil | 12 V DC |
| Mount | PCB |
Waterproof temperature probe, 1 m cable, 1-Wire
| Supply | 3.0–5.5 V |
| Interface | 1-Wire |
| Range | −55…+125 °C |
