Module with temperature and humidity sensor DHT11. It uses a 1-wire communication interface and has a humidity measurement range from 20 to 90% with an accuracy of 5% and temperature from 0 to 50 ºC with an accuracy of 2 ºC

AVR ISP-MC USB 2,7-5,5V 16K-Flash TQFP32, Atmel

A compact relay module with an Omron G5LE-14-DC5 relay, capable of controlling loads up to 10 A with a 5 V coil voltage. Thanks to a BSS138K MOSFET transistor, it can be activated by a 2.5 V to 20 V logic signal, facilitating interoperability with microcontrollers. The module is equipped with 5 mm screw terminals, a 3-pin JST SH connector, and LEDs to indicate operation. Pololu 5662

Audio amplifier based on the TPA3116 chip with a power of 100 W with an active low-pass filter. Dedicated to the bass column (subwoofer)

8-bit ST7 MCU, 4kB Flash, 256B RAM, Lite Timer with Watchdog, Autoreload Timer with 32-MHz input clock, SPI, 10-bit ADC with Op-Amp, SOP20, RoHS

A compact Omron G5LE-14-DC12 relay module that allows you to control loads up to 10 A with a coil voltage of 12 V. Thanks to the BSS138K MOSFET transistor, it can be activated by a 2.5 V to 20 V logic signal, facilitating interoperability with microcontrollers. The module is equipped with 5 mm screw terminals, a 3-pin JST SH connector, and LEDs to indicate operation. Pololu 5663

Measuring clips for SMD circuits in SOP, SOIC, TSSOP, TSOP, SSOP, MSOP, PLCC, QFP package. It allows you to test small surface-mounted chips

Audio receiver with Bluetooth 4.2 module. It is powered by a microUSB connector or a battery and is equipped with a charging circuit

Camera lens with an M12 mount and a 4mm focal length featuring reduced geometric distortion, intended for camera modules with 1/2.5" sensors. ArduCam LN011 M2504ZH05S

Single-channel reflectance sensor from the QTR-MD series, 8 mm wide, featuring an RC output and a side-entry connector. Designed for line detection, surface contrast measurement, and edge detection in mobile robotics and automation systems. Pololu 4140

RGB LED strip controller with WiFi communication. It enables remote control of multi-colored strips with diodes powered with voltage from 5V to 28V using a mobile application. SL-LC01

A camera module with a 5 MP OV5640 image sensor, designed for use with the Renesas RZ/V2L Evaluation Kit, featuring a wide-angle lens with an 84.2° field of view and support for Full HD 1080p video at 30 fps. ArduCam B0530

Camera lens with an M12 mount and a 1.56mm focal length, intended for camera modules that require a very wide field of view. ArduCam LN008 M25156H14

RC splitter cable dedicated to servos, comes with a female and two male JR / Futaba connectors. Length 30 cm, diameter 26 AWG

Small LED matrix display with built-in rechargeable battery. Programmable via USB and Windows PC or Bluetooth and iOS and Android applications

ThinkNode M3 tracker based on the Meshtastic protocol, equipped with GPS, WiFi, BLE and LoRa 868MHz, designed for indoor and outdoor positioning with Meshtastic app support. Elecrow ThinkNode M3 Tracker Card

Module with a TDS sensor that allows you to measure the total content of solids dissolved in water. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020753

Module with 6-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface

8-channel I2C expander module based on the PCA9548 chip. Allows communication with multiple I2C devices that have the same address. Equipped with STEMMA QT connectors. Adafruit 5626

Module with e-Paper display, 2.13" diagonal and 212x104 px resolution. Communication via SPI interface. Waveshare 2.13inch e-Paper HAT (B)