Advent’s back, back again. Day 11 and time for another 1 kΩ resistor, this time so we can use the red LED as a photodiode, or light sensor. When the red LED’s cathode is connected to the battery, it will conduct… Read More ›
The second installment of our Christmas circuitry feature! This time featuring resistors, sensors and transistors.
Who needs a chocolate advent calendar when you have an electronic advent calendar? Not us here at JPhys+, that’s for sure. Find out more about how we’re marking the days leading up to Chrismas.