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Hey Rex, a moderator has the ability to separate messages into a new topic. Would you like to make this a new topic starting with yours for the brand new Updated Sea Sprite and the March 2023 QSO

Very nice Chuck, this will be on my personal target list as well! I have been on the MIA list for the last few days because we are buying a new 32' Travel Trailer RV (with a real desk!!!) and trading

Gangue, OK, here is the very latest news... I will be hosting another Saturday Buildathon live streamed for the March QSO Today Virtual Ham Expo. The kit we will be building is a brand new updated

Agreed 210% ... -Dave

Hello hams or potential hams who want to build and play with QRP radios. The next time Rex Harper and others go to build-o-thon sessions at some conferences, can you start up a conversation on this

I know it is just easier to own a Jackery and I have owned similar units a few generations older, I decided to build a low cost POTA portable power box that would power all of my QRP & QRPp radios

Hello David. Thanks! I am going to post info but I am no expert and could be wrong.? But I do hope to get constructive criticism. I wonder if WE in this group can come up with an course on some of

Very nice and educational Daniel. I think it would be very cool to see the TT2 & Rockmite figures just for our own education and understanding. It's good to have the actual numbers in case impromptu

I think there was a private email from someone to me about this awhile back.? Shame the message did not go to this group. Anyways.? I think these 2 kits are simple to build for new hams, cheap,

Sorry Chuck, I keep intentionally interchanging Tuna Power with Tuna Helper and that is just a brain fart I will get over once I build both of them out. I have the Tuna Helper done so that is fresh

Chuck, I would have saved a lot of money buying a Jackery in the first place, but have certainly learned a lot about Anderson Power Poles and now have something fun to play with, LOL.? I do my

Dave, I missed this in your message: Has anyone done Mods to their Tuna Helper to alter it from charging a SLA battery to become a Voltage regulator Tuna Helper is a T/R switch so I think you had

Dave, After reading the long dialog I’m not sure what you are wanting to do? Yes the UC2906/3906 circuits are for charging/maintaining. I used one of the TPS/PTO circuit boards to maintain a lawn

I bought a buck converter type supply commonly used on golf carts. 8-40 volts in and 12 volts out up to 6 amps continuous.? It will fit inside my explorer battery box and have an output just for

It looks like the UC2906N is meant for charging SLA batteries, not regulating, obviously. My inclination would be to leave that circuit alone and not even install those supporting components for my

Has anyone done Mods to their Tuna Helper to alter it from charging a SLA battery to become a Voltage regulator (Out to the Tunas) for +12.6 -13.0 volts when the Can is powered by a LIFEPO4 lithium

Nice presentation. ---John AC9UV

Okay, tongue in cheek and in the spirit of 100% fun I decided to demonstrate my inability to master AI voiceovers and struggled to find free web-based video creation?software that was 100% compatible

Rex:Did you win the billion dollar plus?lottery?Lou, N8LA/QRP(p)

Rex, Well, if I wanted to over do it, I think this quantifies and qualifies. But I had a lot of fun nonetheless. Now off to build the next kit. Oh yes, the 12-volt DC soldering iron did great and I