This low-charge warning buzzer alerts you when your vehicle’s battery is low. It is designed for vehicles with 12V batteries, such as cars, campers, and vans. You can set it to sound when the voltage drops below a user-defined threshold using a trimmer that allows for adjustment. Soldering is required for assembly. The kit comes…

Complete Kit for Motorized Outdoor Blinds and Shutters Automation. This kit includes all the necessary components and a rain sensor to detect weather conditions. By using a relay configured in monostable mode, the system can automatically close the outdoor blind or shutter to protect the fixtures from rain. The device is equipped with two trimmers…

With its high sensitivity and rapid response times, this kit-based device, utilizing the MQ-3 sensor, accurately detects the quantity of alcohol vapors in the breath, providing timely alerts both visually, through LEDs, and audibly with a sound alarm. When combined with an alarm system, this kit can be used indoors to detect the presence of…

Set of 3296W multi-turn trimmers with top adjustment 10K. The trimmers are sold in a package of 50 pieces. Go to Open-Electronics Store

Based on the PAM8610 chip, this small Class D stereo amplifier module is capable of delivering a maximum power of 10 watts into 8 ohms and 15 watts into 4 ohms. Power supply: 7 to 15 VDC (12 VDC recommended), idle consumption: 20 mA, efficiency: 90%, frequency response: 20 Hz to 20 kHz, dimensions (mm):…

Demoboard for the famous ESP32 Bluetooth and WiFi module (available among related products under code YB555). The ESP32 module provided for this demo board has a MicroUSB connector that can be used for programming. The ESP32 demo board must be powered at 12V via the PWR plug in order to supply power to all the…

This module uses the principle of optical LASER light scattering to measure the concentration of particulate matter (PM2.5 and PM10) in the air. It consists of a LASER diode, a photodiode, a microcontroller, a low-noise amplifier and a suction fan. The suctioned air passes through the detection chamber, where the LASER light striking the suspended…

Photovoltaic cell with very small dimensions, suitable for carrying out experiments with solar energy. Output voltage: 0.5 V, maximum current: 800 mA, dimensions: 72 x 46 x 2 mm.                                                        Go…

The FE1.1s chip is a high-performance, low-power integrated circuit that enables a USB 2.0 HUB with four output ports and corresponding status LEDs. It requires a minimum number of external components, which are essentially a quartz for the clock that defines the speed of the downstream ports (device outputs). It is fully compatible with the…

1.3″ Organic Light Emitting Diode (OLED) Display with good contrast, no backlighting required. Based on the graphics controller SH1106, SPI and I²C interface, resolution 128×64 px, active display area size 28×13 mm, board size 41×38 mm.   Technical specifications   Driver Chip: SH1106 Interface: 3-wire SPI, 4-wire SPI, I2C Go to Open-Electronics Store

Developer’s board specially made for use with the PRO midi 1284 prototyping board. It has housing for PRO midi 1284P and various connectors to connect to or accommodate various electronic devices (including in the form of breakout boards, sensors, and OLED displays) that enable the development of applications capable of exploiting the resources of Atmega…

Design, build and have fun with this handy case containing lots of modules set up to fit on LEGO bricks and usable for robotics, Arduino, Raspberry Pi, etc. Included in the package is a compatible Arduino Uno board and an experimental Shield board where you can easily connect sensor and actuator modules. An accompanying handout…