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…
The concept of transferring energy without wires has always been a desire of mankind. Numerous experiments have been conducted in this field, with Nikola Tesla’s experiments being among the most famous. Thanks to these research efforts, we can now wirelessly charge our mobile phones and other devices. For those who wish to continue experimenting, there…
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
Stereo power amplifier 10+10W into 8 ohms based on the integrated PAM8610, suitable for systems that require high efficiency and little heat to be dissipated. By now, the miniaturization of electronic circuits is advancing unstoppably. It involves even those devices of traditional electronics such as audio amplifiers, which do not have a strict…
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…
Let’s learn about an interesting educational platform that allows you to make and study a real multitude of electronic circuits and their applications. Among the techniques to approach students and very young people, the one of using ecosystems related to prototyping boards such as Arduino has proved to be very effective; next to it…
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…
It is halfway between an Arduino Mini (in size) and an Arduino Mega in terms of computational capacity, available memory and integrated peripherals. Since the creation of the Arduino project and the subsequent spread of the original boards, the electronics industry and especially the nascent electronics industry for Makers, has moved in two directions:…
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