I impulsed a sleeve of programmed chips, with stickers covering what they were. They are a Motorola XC68HC705C9CP microcontroller in a 40-pin DIP package. http://www.elnec.com/device/Motorola/MC68HC705C9+%5BPLCC44%5D/ ^Any one know of a dedicated site...
I need someone to collaborate on a RTLSDR project to 'give something back' to first responders in my area. It might even save lives. What's needed is a GNURadio or (preferably) a DLL that can decode pi/4 DQPSK packets.Working with SDR's is an area I...
Hi there,A friend of mine recently passed away and his wife has put me in charge of selling some of his historic computer stuff. The problem is I have no idea what it's worth. Can you help me?There's an HP 85 with the owners manual, 4 linking cables,...
I know that there are lots of 18650 cells about with wildly improbable capacities advertised that don't come even close to living up to it. Does anyone have experience with bigger cells, such as this: https://www.alibaba.com/product-detail/3-2V-100AH-Lithium-ion-phosphate_1600071018066.html?spm=a2700.galleryofferlist.0.0.66224c67PYUnhw&s=p...
I'm pretty sure I've done this dance before. Anyways... I'm trying to count pulses off a telephone dial as BCD. Right now, the circuit I've got goes straight to ten and latches. It doesn't count. I started with this circuit......and adapted it (redrew,...
I'm trying to upload a background image to my private project. It shows the loading bar goes to 100%, then displays "Something is wrong, please try again". It's a 556KB jpeg, 1200px x 675px. Tried on Safari and Chrome.How to fix this?Edit:...
Heya's,Havent visited the site in a few months (i know, i know, im terrible) and now that i return i find that hackaday.io has a 404 page.This used to be my clever custom profile url, and actually still is, if i go to my profile, i get the site's 404...
I have a CB radio my dad gave me. He ran freight for 20 years, all over the country, so the radio has some sentimental value. Not enough, however, to take it to a actual shop. XD It only broadcasts a few miles, when hooked up to a 2 or 3 foot whip antenna....
It seems we will have to change the slogan for our HaD project for a very strange reason. We have failed to find consensus on where to put the apostrophe.www.lukaev.comThe slogan in question is. (a) YESTERDAYS STYLE, TOMORROWS TECHNOLOGY.or. (b)...
I'm trying to create a device that can work all day long and I'm trying to figure out what the best "computer" for the job. It needs to be able to run a bit of threaded code (preferably Java), have at least 3 input and 1 output pins, and run all...
The North County Mini Maker Faire is back; co-hosted by the San Diego Maker’s Guild and the Antique Gas & Steam Engine Museum. This weekend event falls on Father’s Day Weekend, June 17-18, making it a perfect family event.The Mini Maker Faire is a celebration...
Would it be somehow possible to use a Pi 3+ to convert input HDMI to composite video?...asking for a friend.I don't mind if it's software conversion, or a bit laggy!I may just resort to buying a cheap $6 box from Alibaba.I am very low on money, and all...
Someone "gave" us their old diaper wipe warmer one year, it was gross and only a matter of time before I took it apart. I found a neat foil heater in it that I might finally have a use for and was wondering if anyone knew how I should power it...