Tag: electronics

Use pin 7 to wakeup an Arduino Pro Micro

When designing a circuit that is meant to run on low power, I have found that is is a good start to choose a microcontroller board that is has a lower base voltage level than 5V. The reasons are twofold. First, a lower voltage means lower power consumed, period. Second, there are…

How to use flashrom on Archlinux ARM

By corrupting a bootloader on my router's motherboard I managed to soft-brick it. Bootloader is usually the first batch of software instructions, the motherboard executes when powered up. Soft-bricking means that the device won't boot up, but can be resurrected to life, or de-bri…