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Summary of Contents for Velleman VMA328
- Page 1 VMA328 UV LIGHT SENSOR GUVA-S12SD MODULE USER MANUAL...
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Page 2: Safety Instructions
Nor Velleman nv nor its dealers can be held responsible for any damage (extraordinary, incidental or indirect) – of any nature (financial, physical…) arising from the possession, use or failure of this product. - Page 3 VMA328 Overview VMA328 Extend your light-sensing spectrum with this analogue UV sensor module. It uses a UV photodiode, which can detect the 240-370 nm range of light (which covers UVB and most of UVA spectrum). The signal level from the photodiode is very small, in the nano-ampere level, so we tossed on an opamp to amplify the signal to a more manageable volt-level.
- Page 4 Serial.begin(9600); void loop() float sensorVoltage; float sensorValue; sensorValue = analogRead(A0); sensorVoltage = sensorValue/1024*3.3; // Change 3.3 to 5 if the power supply of the VMA328 is 5V. Serial.print("sensor reading = "); Serial.print(sensorValue); Serial.println(""); Serial.print("sensor voltage = "); Serial.print(sensorVoltage);...
- Page 5 • Velleman® can decide to replace an article with an equivalent article, or to refund the retail value totally or partially when the complaint is valid and a free repair or replacement of the article is impossible, or if the expenses are out of proportion.