Zak's Electronics Blog

2022-04-20

Another Raspberry Pi router and a look at the routing performance and power consumption of the Compute Module 4 … Continue reading

2022-02-04

I recently moved into a two-floor apartment with a door intercom system on the bottom floor for the building lobby area. Since I’m normally upstairs I...

2021-07-03

Recently I’ve been working on a network router using the Compute Module 4 and a custom base board with a Realtek RTL8111H PCIe Ethernet controller. Raspberry...

2021-04-20

My Samsung HT-C460 home cinema had started going into protection mode – it would display “PROT” on its screen and turn off after a few seconds. It’s an...

2020-06-14

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...

2020-02-11

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...

2020-01-06

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...

2019-10-01

Many years ago (September 2009) I made a simple bench power supply using an LT1083 7.5A linear regulator with adjustable output voltage designed to be...

2018-09-02

Here’s a simple, tiny electronic dice project using 7 LEDs, an ATtiny25V, a CR1616 coin cell and a few passives. Measuring just 18mm x 18mm and 4.9mm...

2017-12-23

What’s more annoying than having to pull the USB cable every 5 seconds to power cycle the project you’re working on? Especially when you’ve ran out of...