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A second solution is to use a different temperature sensor, LM35DZ (HCSENS0011). This plugs into the same socket but must face the opposite way and have jumper, J1, OPEN. (If you get this wrong the chip will get very hot very quickly!) This a very quick acting sensor with analogue output connected t...

I’ve been messing about with the Multifunction shield and exploring the 4x7 segment display and the temperature sensing via the expansion ports. To get a quicker, easy input I added a 10K trim pot to the A5 connectors of the headers – very simple with 5 volts and GND next door. I always like to ...

I've been having fun over the weekend trying out the 1838B IR receiver (HCSENS0014) and the IR remote control (HCIRRC0001) and that they are very easy to get working. The receiver pins are quite wide and care is needed when pushing them into the milled interface socket. The cross face of the device ...

I've ordered but not yet received my shield but looking at the circuit diagram there appears to be a mistake with the SFH506-38 IR receiver - U4. It shows connections of Data OUT to +5Volts, VDD to GND and GND to pin 2 on the Arduino. It think it should be +5Volts to VDD, OUT to pin2 and GND to GND....