Humidity and temperature sensor, -40C to 125C, 0 - 100% RH, I2C, Sensirion, RoHS

WiFi relay 63 A with energy monitoring and TUYA support enables advanced management of the electrical installation. Designed for home automation and energy consumption monitoring in single-phase circuits.

Black cable clips 8 mm with nail enable quick and stable fastening of wires in indoor installations. Intended for wooden and aerated concrete surfaces, packed in sets of 100 pieces.

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M0+, 64 KB Flash, 8 KB SRAM, 2 KB EEPROM, USB, ADC, DAC, LQFP32, RoHS

ARM Cortex-M0+ CPU, Low power, 64kB Flash, 8kB RAM, USB, 2xUSART, 2xI2C, 2xSPI, ADC, STM, LQFP64, RoHS

Real time clock module based on the Dallas DS1307 chip. Backup of settings with CR1225 battery. SparkFun BOB-12708

Kinetis E Series Cortex-M0+, 32-bit MCU, 8KB Flash, TSSOP16, Freescale, RoHS

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)

The Step-Up NCP1402 Buck Voltage Regulator module with output  voltage 3.3V, input voltage range of 0.8-3.3V and a maximum output current of 200 mA. Pololu 2114

DRV8801 Single Brushed DC Motor Driver Carrier

Precision XYZ color and light sensor with I2C interface. Measures light intensity and color components, features STEMMA QT / Qwiic connectors. Adafruit 6335

This ideal diode module allows for safe connection of two power supplies to a common output point, preventing reverse current flow. Built-in 20mΩ resistors allow for simple voltage compensation and load balancing between the power supplies. The board offers flexible input and output connectors, facilitating integration into industrial and hobby systems requiring high power reliability. Pololu 5398

ARM Cortex-M4 MCU, 128 KB Flash, 128kB SRAM, 84 MHz CPU, DSP with FPU, Art Accelerator, LQFP100, STM, RoHS

Pololu 12V Step-Up Voltage Regulator U3V50F12

Rod antenna 2.4G, gain 5dBi, connector type: IPEX/U.FL, RoHS

Adapter for RFID reader (125 kHz). Works with ID-3LA, ID-12LA and ID-20LA series systems. SparkFun SEN-13030