Set with a measuring module and a probe for measuring the pH of wet soil and food products. The module is powered with the voltage of 5 V and has an analog output with a voltage range from 0 to 4 V. DFRobot SEN0249

The transceiver module of the DP83848 Ethernet interface

400x300, 4.2inch E-Ink raw display

E-Ink display (ePaper) with a diagonal of 1.54 "and a resolution of 200 x 200 pixels with a SPI controller

E-Ink display (ePaper) with a diagonal of 1.54 "and a resolution of 200 x 200 pixels with a SPI controller. Waveshare 1.54inch e-Paper (B)

WIFI-LPT100 Eval Kit module enables UART data transmission via WiFi, ultra low power consumption, encrypted communication

E-Ink display (ePaper) with a diagonal of 2.9 "and a resolution of 296 x 128 pixels with a SPI controller. Waveshare 2.9inch e-Paper (B)

Waveshare Photo Interrupter Sensor is an IR optical sensor module with Schmitt trigger and a signaling diode allowing the construction of an incremental encoder. Waveshare Photo Interrupter Sensor

LPWA antenna dedicated to communication in LoRa networks in the 868 MHz frequency band. Equipped with an SMA connector. Waveshare SMA 868 Antenna

LPWA antenna dedicated to communication in LoRa networks in the 433 MHz frequency band. Equipped with an SMA connector. Waveshare SMA 433 Antenna

MIC5504-3.3YM5, Single Output LDO 3,3V 300mA, SOT23-5

Quectel RM520N-GL IoT module with M.2 connector. Supports communication within 5G, 4G and 3G networks and supports GNSS positioning within GPS, GLONASS, BDS and Galileo systems. Waveshare RM520N-GL

The S9V11F3S5CMA switching step-up/step-down regulator efficiently produces a fixed 3.3 V (default) or 5 V (selectable) output whether it is higher or lower than the input voltage, which can range from 2 V to 16 V. (Note: minimum start-up voltage is 3 V, but it operates to 2 V after that.)

The module with the SX127x 433 MHz system for LoRa communication, designed for FireBeetle boards. It communicates via the SPI interface. DFRobot TEL0121

GNSS receiver to receive navigation signals from satellite navigation systems such as GPS and BeiDou. It offers positioning accuracy of up to 2 m. DFRobot TEL0157

Breadboard ZY-208 with dimensions 240 × 210 mm and 3220 tie points, designed for rapid prototyping of electronic circuits without soldering. Suitable for educational, testing, and hobby projects.

M4T28-BR12SH1, Battery Backup IC, 2.8 V 4-Pin, SNAPHAT

BULT118, Bipolar (BJT) Single Transistor, NPN, 400 V, 45 W, 2 A, 10 hFE, SOT-32

A small module with a 3-axis magnetometer based on the Melexis MLX90393 system. Its resolution is 0.161 μT. I2C or SPI interface is used for communication. The I2C interface has been derived on connectors compatible with the Qwiic standard. SparkFun SEN-14571