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Calendar 2016
Day 15: A web server
Since the Blynk platform was the central point of our projects over the last few days, now we’re coming to a totally new subject: the NanoESP as web server. You’ve already gotten a first impression of it in the test…
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Day 14: Long-term temperature measurement
Behind today’s door is an NTC sensor (negative temperature coefficient thermistor). Its conductivity changes depending on the temperature. You’ll use the sensor today to undertake a long-term measurement of the temperature. As a small bonus, you can select a time…
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Day 13: Alarm system with push messages
Today’s project deals with a simple silent alarm system with password input for resetting the alarm. So that you get anything at all from the alarm, the board sends a push message to your smartphone. We’ll set the tilt sensor that’s…
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Day 12: Light monitor
Behind today’s door, you’ll find a phototransistor. This is a sensor with which the brightness can be measured. You’ll do that today, but in addition to simple measurement, the project also sounds an alarm as soon as limit values that…
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Day 11: Day- and nightlight
Behind today’s door is a 10-kohm resistor, but we don’t need it yet today. Instead, the set-up from yesterday’s test works today as well. In this project, you’ll build a day-night lamp that changes colours at specific times. Thus you…
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Day 10: Colour mixing
Behind today’s door is the reason for the many 1-kohm resistors. Namely, what you find there is a so-called RGB LED RGB stands for red-greenblue, since this LED is actually three LEDs that can be connected through a common cathode….
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Day 9: Brightness of the real LED
Behind today’s door is another 1-kohm resistor. But today you don’t have to change anything in the hardware layout from yesterday. Only a small detail changes on the interface. You don’t have to re-upload the programme because you’re simply manually…
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Day 8: Virtual LEDs
In the test for the sixth day, you saw how a push button on the hardware side can be mapped on a button in the app. However, another widget, namely the LED widget, is much simpler for this instance. In…
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Day 7: Analogue write
Behind today’s door is a potentiometer. You can use it to transfer analogue messages to the Blynk app. To do this, you need to build the circuit according to the picture. Things can get a bit tight when constructing with…
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Day 6: The hardware button
In yesterday’s test, you realised a simple control of an LED using the Blynk app. Today you’ll see that the control works in both directions. The push-button switch behind today’s door really comes in handy for this purpose. With it,…
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