The 1.54″, 200×200 e-paper display, with four-color support and low power consumption, is designed for applications requiring clear, backlit information, such as electronic labels, information panels, and industrial devices. The SPI interface ensures compatibility with popular microcontrollers and development boards, while the wide viewing angle and paper effect enable comfortable reading in all lighting conditions. Waveshare 1.54inch e-Paper (G)

Extending tile dedicated to ESP Thread Border Router. It allows you to add an Ethernet interface. Sparkfun WRL-25498

Quartz resonator, SM49 HC49S housing, RoHS

Waveshare 8 Push Buttons module provides 8 single push buttons in 1 board. Waveshare 3678

8-channel analog acquisition module with default current measurement mode (0–20 mA), designed for industrial applications requiring stable and precise data acquisition. Compatible with current sensors, it supports RS485 communication and the Modbus RTU standard, allowing easy integration with SCADA systems and PLC controllers. Galvanic isolation and noise immunity make it suitable for environments with high EMC requirements. Ideal for industrial process monitoring, environmental parameter measurement, and building automation.

Pin strip straight in black, single-row, female, 1x8, pitch 2.54mm, THT, RoHS. PB08S

UART-CAN converter module based on the TJA1050 transceiver system. It allows for communication, for example, of a microcontroller via the CAN bus

SEN-13676

The BLE Nano from RedBearLab is the smallest Bluetooth 4.1 Low Energy (BLE) development board on the market. With the included MK20 USB in this kit, you’ll be able to deploy firmware to BLE Nano even easier. WRL-14071/WRL-13730

Sound module supported by I2C interface, which allows to generate sound signals in simple projects thanks to Qwiic system and ATtiny84 microcontroller. With support of Arduino libraries, users can control volume, frequency and duration of sound, which makes it ideal for applications such as alarms or signals in robots. SparkFun BOB-24474

Raspberry Pi Camera Module, 5 megapixel OV5647 sensor in an adjustable-focus module. Waveshare RPi Camera (B)

5-button keyboard module with analog output

An advanced wireless communication module based on the Bluetooth 5.2 (Bluetooth® Low Energy, BLE) stack, which is designed using the powerful Nordic nRF5340 SoC. It provides GPIO, SPI, UART, TWI, I2C, PDM, PWM, ADC, NFC and USB interfaces for connecting peripherals and sensors. SparkFun WRL-25465

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25467

Camera module with USB interface with a resolution of 2MP. Camera with Sony CMOS IMX291 sensor, the module is equipped with two microphones. ArduCAM B0201

12MP AI camera that supports AI models and offers computer vision functions, operating autonomously thanks to the built-in eMMC memory. Equipped with an industrial IP67 housing, PoE power supply and 4 TOPS computing power, it enables 4K/30FPS image recording, object tracking and real-time analysis. With support for AI models, easy integration with Ethernet networks and a durable design, it is ideal for outdoor and industrial applications. Luxonis OAK-1 PoE Auto-focus

Module with an analog TEMT6000 light intensity sensor. The voltage at the output is linearly correlated with the intensity of the incident light. The module is supplied with the voltage from 3.3 to 5V. DFRobot SEN0043

The Finder 80.51.0.240.0000 electromagnetic relay is a high-quality SPDT component, operating at 24VDC, capable of switching loads up to 8A at 250VAC, ideal for applications in automation and control systems. The robust design and reliable contacts ensure long life and reliable operation, while the compact dimensions facilitate integration in various systems.

A small module with a voltage level converter that allows easy conversion of signals from 3.3V to 5V. It is compatible with a wide range of LED strips, such as NeoPixel. With easy, solderless installation, it supports up to two signal lines, ensuring smooth operation of LEDs at frequencies up to 10 MHz. Adafruit 6066

Module containing TSH82 operational amplifier from STMicroelectronics. The system has two built-in amplifiers and each of them is available separately on the pins of the board as inverting amplifiers. Sparkfun BOB-14874