Sunday tips for you are here…
I have found a construction of fingerprint-controlled door lock. Here are the essential parts:
Datasheet: FPM10 / R305
Invaders from the Space
Want to build a handheld game console? You can do it with an Arduino, a LCD display and a couple of buttons. Retro buttons, if you wish.
Does anyone said “game console”? Look at this cool hack of cheap IKEA table. Here are some buying tips:
Leonardo R3 Atmega32u4 (it can emulate USB keyboard)
Everything is cooler with BlueTooth. Here is a BLE module
Its bigger brother with 433MHz radio with direct UART channel:
… and low power 433MHz radio module, no UART, just one bit on/off.
When you want hack old good IR remote controller, you will need these two pieces:
These clips are perfect in case you haven’t third pair of arms. Have you six hands? No? So you need these:
Accelerometers are great to measure vibrations. But when you want only to detect vibrations, not measure its strength, you can use much cheaper parts:
Where do you have all your SMD parts? All those transistors and resistors and capacitors? I guess this is a perfect solution