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New products
New products
This project shows how modern electronics help a chemist. The device is used to measure the concentrations of colored substances or those that have colored reaction products. The phenomenon of selective absorption (absorption) of radiation with a strictly defined wavelength was used. Its source in the present glass is the LED diode. In comparison to other sources, the spectrocolorimeter using it will have lower sensitivity and a smaller range of the linear relationship between absorption and concentration.
The device is especially recommended for inquisitive chemists-electronics
Selected parameters:
- source of radiation beam - LED diode
- the ability to change the LED (color) depending on the substance being tested
- control and measurement - ATmega8 microcontroller
- reading - LCD display
- zeroing function
- additional function - UV absorption test for sunglasses
- power supply - 9-12Vdc
- programmed layout
- Detailed description in EdW 11/10
Download
Other products in the same category (16)
ZYBO Zynq™-7000 Development Board
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ROSA3D filament made of high-quality PLA granules. 0.8 kg of filament with a diameter of 1.75 mm is wound on the spool. ROSA3D PLA Starter Violet
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Board with the WiFi Espressif ESP32-C3 module. It offers 4 MB of Flash memory and 400 KB of SRAM and an RGB diode. It is equipped with a STEMMA QT connector. Adafruit 5405
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Edition about ARM microcontrollers
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Pressure sensor module with I2C interface (BMP085), allows precise pressure measurement in the range of 300 to 1100 hPa with an accuracy of 1 hPa, RoHS
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Go far and beyond with the futuristic mini-model of a space conqueror Mars Rover from the Ugears collection of mechanical models.
Spare 30 minutes or so to enjoy the assembly of an ingenious mechanical space vehicle. Inspired by ever-exciting sci-fi and no less amazing recent developments in the space industry, Ugears engineers pay tribute to the final frontier romantics with a six-wheel mechanical space-rover, the Mars Rover. UGears 70165
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