Internal pull up resistors in a micro-controller vs external pull ups
58034
Internal pullup for input in PIC microcontroller
36776
Input impedance of Arduino Uno analog pins?
104596
When measuring a resistor with a multimeter does polarity matter?
16875
Getting code onto a microcontroller
44284
Resistors in series vs parallel
23784
Reason behind choosing the compensating resistor for input bias current in op amps
154242
How to synchronize two microcontrollers to micro-second accuracy?
80746
Total resistance with resistors bridging two branches
4030
Do I really need resistors when controlling LEDs with Arduino?
134944
how to choose the right pullup resistances for i2c lines with multiple slaves
134679
How do I calculate the power rating for zero-ohm resistors?
32258
How to design the gate resistor value?
56895
AVR 1.1V Internal ADC Reference Over-Voltage
155857
Voltage rating vs. power rating of a resistor
79813
Internal or external oscillator
147232
What could cause a microcontroller to unexpectedly reset?
12448
How is it possible that if I combine 100 Ohm resistors in different ways, I get _LESS_ resistance than original?