Hi John @itinerant-john, If you buy for a $1, then yes, it is a gamble, and whilst I have bought a lot of small things through that channel, every ...

Hi Ron @zander, Our posts have crossed in the ether again... You say It seemed to me you missed the description of the 'fail safe' on passenge...

Hi Ron @zander, Mechanical systems are certainly not my area, but for something like this, I would have expected a system to 'fail-safe'. I real...

Hi @dbwfred, I'll leave Ron (@zander) to provide his specialist elevator experience, but hoped a few quick general thoughts for you to ponder mig...

Hi Bill @dronebot-workshop, Sorry to hear about your mishap. Wishing you a speedy recovery. I am sure you must spend a tremendous amount of time...

Hi @jettedlikeshek, RE: I am confused as to why this wouldn't be sufficient for the nRf24L01 adapter module. If the LDO regulator takes the 9V dow...

Hi @jettedlikeshek, I am sorry, but I am not clear what power source you are using for the NRF24L01 module/adapter ... the diagram just says VCC. ...

Hi Ron @zander, I noticed the 50V - 70V, but also "I'm looking for some way of creating ~50V DC", which I focused on. A higher voltage version w...

Hi John, @itinerant-john I haven't the foggiest idea whether it will work, but AliExpress (and probably others), are offering a boost converter th...

Hi @jettedlikeshek, It's always difficult to guess what the other person is doing, unless they provide lots of information, which sadly is rare. ...

Hi @josiah430, Did you get anywhere with the links to Silicon Labs and Pololu I sent? If you got stuck, try posting what you found, or where you...

Hi Ron @zander, The chip is apparently designed to act as a voltage detector, which is fine. At first glance, the suggested circuit of dumping cu...

Hi Ron @zander, Curiously, the Pololu page also has links to MAC OS X versions of the drivers, with advice "We can assist with advanced technical i...

Hi @will ( & @billinfl ) Thanks Will, for pointing out another problem ... I was assuming the wiring and the segment declaration order were mudd...

Hi Bill @billinfl, Well done for your achievements! I totally agree, you need to get the basic digits 0-9 working, before moving on. I no...