Hyperoptic: IPv6 and Out-of-Order Packets
Troubleshooting Hyperoptic IPv6, covering suppressed router advertisement responses and MAC-related out-of-order packet issues. Continue reading
Zak's Electronics Blog
Zak's Electronics Blog
Latest posts
Mail Notifier - WiFi Edition
A WiFi connected mail notifier using an ESP8285 module and Telegram Continue reading
RouterPi - A Compute Module 4 Router
Another Raspberry Pi router and a look at the routing performance and power consumption of the Compute Module 4 Continue reading
IoT and a Door Entry System
Controlling an apartment lobby door with Telegram Continue reading
Raspberry Pi - Compiling a Module for the 64-bit Kernel
Compiling a Module for the 64-bit Raspberry Pi Kernel Continue reading
Repairing a Samsung HT-C460 Home Cinema System
Repairing a Samsung HT-C460 Home Cinema System Continue reading
AVR-GCC 15.2.0 for Windows 32 and 64 bit
This is where I'll be uploading builds of AVR-GCC for Windows 32 and 64 bit, which will also include Binutils, AVR-LibC, AVRDUDE, Make and GDB. Continue reading
Raspberry Pi 4 PCI-Express Bridge “Chip”
After seeing the work done by Thomasz Mloduchowski and Colin Riley with managing to bridge the Raspberry Pi 4's PCI-Express bus to a USB 3.0 port, and then seeing these comments on hack-a-day, I thought I would give it a go too! So, here's a PCIe bridge chip that simply replaces the VL805 USB 3. Continue reading
Smart Power Bank Keep-Alive
Ever wanted to power a project from a USB power bank, only to have it keep shutting itself off because the current draw was too low? This project aims to fix that with these handy and slightly over-engineered USB modules containing a microcontroller, op-amp, MOSFET and a few other bits to create a p... Continue reading
Remote Mail Notifier (and GPS Tracker)
At the moment I'm living in a block of flats and my mailbox is in a central lobby area. I'm often receiving small surprise packets from China and never know when the postman has been, usually between 8 and 12, sometimes even twice a day! I also don't have any road facing windows that I can look out... Continue reading