Unhook a Raspberry Pi from the mains and it forgets the time and date. It’ll only get them back again if you re-connect it to the Internet or enter the data manually. As a Pi user who doesn’t keep his kit connected – I usually wire and power it up when I need it – and doesn’t always bother with the Ethernet cable when he does, I’ve been after a decent real-time clock (RTC) add-on for quite a while. An RTC allows your Pi to keep time, even when the Pi’s power is cut.
Tag Archives: GPIO
The Sinclair ZX81: a Raspberry Pi retro restyle – Part 2
Check out my retro tech T-shirt store
Previously on ‘ZX81: a Raspberry Pi retro restyle’: I used a headerless Arduino Leonardo to connect a ZX81 microcomputer keyboard to a Raspberry Pi via USB, using code to handle normal, shifted and function-shifted key presses.
After some searching on eBay, I found an old ZX81 going cheap because it lacked cables, though when it arrived, I found the computer itself to be in excellent condition. Possibly it has never been used, though how if that were the case the cables were lost and the box got so tatty is a mystery I will probably never solve.
Continue readingReview: the Fuze, a Raspberry Pi keyboard case and electronics kit
Back in the day of the board computers of the late 1970s – your Scrumpi, your Nascom 1, your UK-101 et al – it was customary to build a case for it out of wood. If you were a better equipped ‘constructor’ – what we used to call ‘makers’ in those far distant days – you’d build a box out of metal.
Connect a Raspberry Pi to a Mac using a USB-Serial adapter
I’m enjoying tinkering with the Raspberry Pi. Alas most of the tutorials and guides available online, of which there are many, focus on hooking the tiny board computer to Windows or Linux machines. Mac-centric guidance is sparse, and I could have used some this week.
smittytone messes with micros 