Hi Ron @zander, @kaleb's introductory question can have more than one interpretation ... I think @kaleb was saying he started with a Sim800 s...

Hi @kaleb, I have no experience in this area ... so this is only an observation, NOT a recommendation! Quick search for '4G module Arduino' at...

Hi Ron @zander, Good to hear from you ... hope you are taking it easy. The LED suggestion may be a complete red herring .. I can't see his ki...

Hi Ron @zander and @stefandws, Ron, I hope you are feeling better ... that is the most important thing! ------------------ As I said, (Ron...

Hi @stefandws, Ron (@zander) knows a lot more about this than I do, so this is only a random suggestion to consider. (Ron, sorry to see that your ...

Hi @spaghetticallahan, I am not familiar with this product, but I just had a quick glance at the code, etc. This product is unusual (compared to...

Hi @mtlatc, re: Tho I'm still not confident I'm doing everything right. Few, if any, of us are confident of doing everything right. Person...

Hi Ron @zander, The 125 MHz oscillator in the module is a crystal oscillator which is used as the reference input to the AD9850, that uses it to g...

Hi @sj_h1, You have received some good suggestions so far. If you are still looking, may suggest you clarify the type of output you require. e...

Hi @Ajaxcrypto Dave, Welcome - hopefully you will find this a friendly and helpful environment. I certainly remember the Pentium's ... my PC a...

@Hi mtlatc Re I am not that confident in my ability to doing the circuit tracing. Can you be more specific? ... I should mention, tracing a circ...

Hi @mtlatc , That new picture does complicate the situation. Sorry, but I think the only way to solve the situation is for you do some actual circ...

Hi @mtlatc, The component in your original photo looks a thin 'flat' part, but I can only see one side. Are both sides flat? If so, this matches the...

Hi @mtlatc, The circuit I showed is a tiny clip from what looks like as can of the original TI99/4 manual ... hand-typed and hand-drawn schematic...

Hi @mtlatc, Now if I can find a replacement. 12pF and 15pF ceramic capacitors are off the shelf parts .. shouldn't be too difficult. As an ...