This is a bummer. The only thing I ever used my rewards for was the Amazon gift cards. For the last few years I’ve almost always had a balance on my Amazon account, making it easy to buy anything I wanted. I’ll have to look into getting gift cards for a store that sells Amazon gift cards. I will beat the system.
- Model S or Model 3
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- Fast Drawing for Everyone
- Welcoming New Colleagues — a Data-Based Story
- Remote work: For programmers, the ultimate office perk is avoiding the office entirely
- IKEA Trådfri: Internet of Things done right
The Touch Bar on the MacBook is a pain in the ass. I’ve been getting sick of fighting with it to adjust volume and wanted an alternative to using the icon in the Mac OS menu bar. I already had some AppleScript code I use to reset volume to start my work day, so I ran with it to make a simple Alfred Workflow.
I didn’t realize how awesome this workflow would be. I’m using it all the time, even on my other Mac, which has the keyboard volume control buttons.
After watching recent Adafruit videos (1, 2, & 3) about IR and getting a neat new microcontroller which has a built-in IR transmitter, it looked fun to hack around with. I don’t have an IR receiver though. Then I remembered this old component video switch was in a storage closet. I tore it apart and easily got out the IR receiver. While I was destroying the device I figured I might as well take a bunch of parts that may be useful. If nothing else it was good practice desoldering.
The big PCB with a lot going on is already gone with the trash. The two small PCBs with buttons and LEDs (a triple set and a single) are cool and will be fun to work with since they’re already wired up. Would be neat to use these in an actual project some day.
The other components I kept are:
- IR 4 button remote
- L7805 voltage regulator
- PIC16C505 CMOS microcontroller
HD74HC126P quad buss buffer
- 2x CD4052BE analog multiplexer/demultiplexer
- HA17358A dual operational amplifier
- 78L09L voltage regulator
- A1515S PNP transistor
- 71M4 IR receiver sensor
Of course, I can’t find a datasheet for the one part I want to use. IR is pretty standard, so I’m hoping they didn’t go rogue when developing this device. I’ll post more once I get a chance to experiment.
Several months ago I would have had no idea what any of this stuff was, let alone how it worked. I still don’t know what several of those ICs do, but at least I’m able to look at the traces on the PCBs and follow connections to get a general idea of how everything works.
Never stop learning!