As you may well know, Arduino’s analog inputs can be used to measure DC voltage between 0 and 5V (when using the standard 5V analog reference voltage) and this range can be increased by using two ...

Little Bird Electronics posted an article about using an analog voltage reference with Arduino. This is a tool available when using an analog-to-digital converter. By setting up either an internal … ...

Show how a voltage divider controls voltage in a circuit, ... One of these resistors can be a variable resistor, like an LDR (light dependent resistor) or a thermistor; ...

Save guides, add subjects and pick up where you left off with your BBC account. The two resistors may have fixed values or one may be an LDR, a thermistor or other input device. The supply voltage ...