Implementing another power DAC with an LM317 regulator into a PWM topology but this one adds a preregulator so it can run ...

Assuming that it is used with a 10-MHz counter/timer, its resolution is roughly 10 µV per count ... or by U1 itself. Using a 555 in this self-resetting mode is unusual but is very handy here. This ...

Previous research has suggested that IL-1 signaling in neurons is involved in sickness behaviors, anxiety, and changes in sleep, but the exact neural circuits involved have not been well-defined. The ...