USB-C powered consumer temperature/humidity sensor node using a low-power Wi‑Fi + BLE 5.x MCU module, digital T/RH sensor, protected 5 V USB-C input, and 3.3 V regulation.
USB-C powered consumer environmental sensor node with ESP32-class Wi‑Fi/Bluetooth, digital temperature/humidity sensing, protected 5 V input, and 3.3 V low-power electronics.
Battery-powered ESP32-S3 LoRa ePaper sensor board with SHT41 environmental sensing, LiPo charging/fuel gauge, 5V input detection, and a 4.2 inch 300x400 b&w ePaper interface in an 85 x 60 mm low-profile PCB.
Raspberry Pi Zero HAT-style PCB with bottom 40-pin GPIO header and top-side connectors for MLX90640 thermal camera, SCD41, PIR, IMU, OLED, and thermal sensor terminals.
ESP32 DevKit V1 sensor hub powered from a 12V barrel jack through an LM2596 5V buck converter, with gas, temperature, flame, thermal camera, OLED, relay outputs, buzzer, and ESP32-CAM connections.
Four-channel electrochemical gas sensor signal-conditioning module based on the TI LMP91000EVM architecture, with shared I2C, per-channel SPI ADCs, 2.5V reference, sensor headers, and STM32F767ZI interface.
Battery-powered infrared/PIR sensor board with USB-C charging, single-cell LiPo battery input, 3.3 V regulation, sensor output header, and status indicators.
USB-C powered low-power temperature and humidity sensor node using an ESP32 Wi‑Fi/BLE module, digital T/RH sensor, protected 5V input, and 3.3V system rail for consumer environmental monitoring.
Battery-powered ESP32-C6 Thread environmental sensor using SCD41 for temperature and CO2, USB-C for charging/data, LiPo power, and a buck-boost 3.3 V rail.
USB-C powered consumer environmental sensor node with ESP32-class Wi‑Fi/BLE connectivity, digital temperature/humidity sensing, protected 5 V input, and low-power 3.3 V electronics.
Consumer USB-C powered low-power environmental sensor node with Wi-Fi, Bluetooth LE, digital temperature/humidity sensing, and protected 5 V input supporting 0.5–3 A USB-C sources.
USB-C powered low-power consumer environmental sensor node using a Wi‑Fi/BLE 5.x MCU module, digital temperature/humidity sensor, and protected 5 V USB-C input sized for 0.5–3 A sources.
Consumer USB-C powered low-power environmental sensor node using a Wi-Fi + Bluetooth LE MCU module, digital temperature/humidity sensor, USB-C 5 V input, and protected 3.3 V power architecture sized for 0.5–3 A USB-C sources.
Low-power USB-C powered environmental sensor node with Wi-Fi 802.11 b/g/n, BLE 5.x, digital temperature/humidity sensing, and protected 5 V USB-C input for 0.5–3 A sources.
USB-C powered low-power environmental sensor node with ESP32-class Wi‑Fi/BLE connectivity, a digital temperature/humidity sensor, 5 V USB-C sink input, and input protection sized for 0.5–3 A sources.
USB-C powered low-power temperature/humidity sensor node with ESP32-class Wi‑Fi/BLE 5.x connectivity, digital T/RH sensing, USB-C 5 V sink input, and protected 3.3 V power path sized for 0.5–3 A sources.
Consumer USB-C powered environmental sensor node with ESP32-class Wi-Fi/BLE, digital temperature/humidity sensing, protected 5 V input, and low-power 3.3 V architecture.
24 V DC field sensor wiring diagram for Siemens S7-300 SM321 DI 16xDC24V inputs, recreated from the provided reference image with +24 V/0 V rails and I0.0–I0.7 signal mapping.
