The Sterling charger we’ve had on board nb Tanya Louise since Feb 2014 has bitten the dust, with 31220 hours on it’s internal clock. Since we’re a liveaboard boat, this charger has had a lot of use while we’re on the mooring during winter, when the solar bank isn’t outputting
Here’s some teardown photos of an old De La Rue coin counter, used in businesses for rapid counting of change into large bags. An overview of the whole mechanical system of the counter. Coins are loaded into the drum at the rear of the machine, which sorts them into a
Here’s some testing of the first bipolar supply for the Rigol scope. This is the +/-7.5v supply. Above is the supply built with it’s output filtering. The modules used are a PTN78020W for the positive rail & a PTN78060A for the negative rail. Under a 1A load across the total
One bit of my equipment that I’ve never looked into is my scanner, a handheld Uniden unit. I got this when Maplin Electronics had them on special offer a few years ago. Here’s the scanner itself, roughly the same size as a usual HT. Here the back cover has been
The latest addition to my radio shack is the GY561 frequency & power meter, which has already come in useful for measuring the output power of all my radios. It’s a small device, roughly the same size & weight as a stock UV-5R. Power is provided by 3 AAA cells.