Schmitt Trigger Oscillator

Schmitt Trigger Oscillator

The Schmitt Trigger Inverter oscillator is a very simple oscillator which can be useful but is also not very accurate or stable. Pros Easy and simple circuit Easy timing calculation Useful for not critical oscillations or clock signal. Cons Subject to frequency changes with temperature differences Subject to frequency changes …

3D printed repair and replacement for Wooden rail track

3D printed repair and replacement for Wooden rail track

I had two issues with my son’s Big Jig rail track. One was the railway crossing gates getting broken and the other was the “rickety bridge” issue. The gate was a simple case of it being stood on. But one gate and the track link got broken so I looked to …

GroClock update 1

GroClock update 1

Quick update – I have been looking at which processor to use and which Wifi module. I was considering using a Bluetooth module but that would have meant developing an iPhone /Android app which just adds to much to the project. So have decided to use a Wifi Module with a built-in web …