RFID reader/writer module, 13.56 MHz, card and key fob
| Supply | 3.3 V |
| Radio | RFID / NFC (MFRC522) |
| Bands | 13.56 MHz |
| Interface | SPI, I²C, UART |
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 |
RP2040 development board
| Flash | 2 MB |
| MCU | RP2040, 2× Cortex-M0+ |
Temperature and humidity module, ±0.5 °C, ±2 % RH
| Supply | 3.3–6 V |
| Interface | Single-wire |
| Range | −40…+80 °C, 0–100 % RH |
GSM/GPRS module, quad-band, SMS and data
| Supply | 3.4–4.4 V |
| Bands | 850/900/1800/1900 |
| Interface | UART |
Temperature and humidity module, ±2 °C, ±5 % RH
| Supply | 3.3–5.5 V |
| Interface | Single-wire |
| Range | 0…+50 °C, 20–90 % RH |
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 |
