Grove - ORP Sensor Kit Pro is an advanced liquid ORP measurement kit that measures water quality from -2000 mV to +2000 mV. With a 5-meter IP68 probe and compatibility with Arduino and XIAO, it is ideal for monitoring aquatic environments, wastewater treatment and aquaculture.

Unshielded UTP category 5E Ethernet network cable with RJ45 plugs. Lanberg PCU5-10CC-0500-B

Adafruit 2269 - Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0

Adafruit 2267 - Bluefruit LE Friend - Bluetooth Low Energy (BLE 4.0) - nRF51822

Module with laser distance sensor ToF VL53L0X designed for M5Stack sets. It can detect simple hand gestures. M5Stack U010

A module with a joystick designed for M5Stack sets. Returns data from two axes and button state via the I2C interface. M5Stack U024-C

High-quality, aesthetically made USB 3.0 HUB with a built-in 10/100/1000Mbps network card. Akyga AK-AD-32

A small WiFi module designed for IoT applications. It can communicate with the motherboard via the I2C or UART interface. DFRobot TEL126

Expansion board with LoRa Node SX1262 module dedicated for Raspberry Pi. It supports the LoRaWAN protocol and allows communication in the 433 MHz frequency band. Waveshare SX1262 433/470M LoRaWAN HAT

HDMI / micro HDMI plug-in cable (AD) from Kruger & Matz, allows you to connect the latest generation of Micro HDMI devices to displays equipped with an HDMI connector. KM0327

Gravity: Analog TDS Sensor / Meter is an analog water purity measurement module. It is powered by 3.3 ... 5.5V voltage and has an analogue output interface. Module compatible with Arduino. DFRobot SEN0244

The module is equipped with a button. It communicates via a digital interface and allows you to add simple controls to your M5Stack based project. M5Stack Button Unit

Industrial network switch equipped with 5 Gigabit Ethernet ports. It can operate in full-duplex 10/100/1000M mode. Waveshare Gigabit-Switch-5P (EU)

Extension board with stepper motor controller based on the STSPIN820 system. Ideally suited for use, among others in 2D / 3D printers, robots, cameras. Pololu 2878

Module with SGP30 gas sensor. The sensor communicates via the I2C interface. SGP30 system contains several elements reacting to various metal oxides, which allows for more accurate determination of air quality. Adafruit 3709

The Pololu Pushbutton Power Switches are sophisticated power control alternatives to bulky mechanical switches. The main function is pushbutton-based latching power control, where one push turns on power and another push turns it off.

LED strip with connector JST 200 mm (blue) (HK23344)

Audio module with two microphones and display designed to work with the Raspberry Pi. Pimoroni PIM524

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 6 V and a maximum output of 2.5 A to 3.5 A. Pololu 4981