Sony HVF-2000P Viewfinder Teardown & Composite Video Hack

Well, it’s time for another viewfinder hack! I’ve been after one of these for a while, this is from an early 1980’s era Sony Trinicon camera, and instead of the tiny ยฝ” round CRT display, these have a 1.5″ square CRT – a Matsushita 40CB4. Luckily I managed to score

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Panasonic NV-M5 CRT Viewfinder Hack

  The old Panasonic NV-M5 has the standard for the time CRT based viewfinder assembly, which will happily take a composite video signal from an external source. This viewfinder has many more connections than I would have expected, as it has an input for the iris signal, which places a

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ELuc BLU4 Intelligent Lithium Battery Charger W/Bluetooth

Here’s another battery charger designed for lithium chemistry cells, the BLU4. This charger doesn’t display much on it’s built in LCD, apart from basic cell voltage & charging current limits, as it has a built in Bluetooth module that will link into an Android or iOS app. Above the charger

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Wearable Raspberry Pi Part 2.5 – Battery Pack PCM

The final part for the battery pack has finally arrived, the PCM boards. These modules protect the cells by cutting off the power at overcharge, undercharge & overcurrent. Each cell is connected individually on the right, 12v power appears on the left connections. These modules also ensure that all the

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