kwong – Page 13 – Kerry D. Wong

On Arduino Due PWM Frequency

I just got myself a couple of Arduino Due boards. While they were released almost two years ago, I have […]

In my last post, I showed my LED backlight mod of the HP 8642B synthesized signal generator. And during the […]

If you take a look at the picture below, you may recognize immediately that it is a picture of an […]

In my last couple of blog posts, I did a brief overview of the EnOcean Pi sensor kit from Newark […]

In my previous post, I took a quick look at the EnOcean sensor kit from Newark for Raspberry Pi and […]

I recently got the EnOcean Pi and EnOcean sensor kit from Newark. The sensor kit includes a temperature sensor module […]

As I mentioned in my previous posting, there was an issue with my Wavetek 907 microwave frequency generator. While everything […]

Since I just got myself an HP 5350B microwave counter and I had fixed it up, I thought it would […]

DS3232 is an extremely accurate RTC with a guaranteed accuracy of 2.5 ppm (0 °C to 40 °C), which translates […]

Last time, I did a teardown of an HP 5350B microwave counter. And as I mentioned in my teardown, the […]

Here is a teardown you do not see very often. I recently bought an HP 5350B 20 GHz microwave counter […]

Dave did an analog multimeter teardown in his latest episode. I have a Chinese made MF 10A multimeter bought back […]

I recently bought a few old power transistors from eBay. These are PNP Tung-Sol germanium transistors. According to the date […]

A few days ago, I bought a Keithley 197 sold as “unknown working condition” on the cheap. The seller said […]

I just moved my site from my own server to linode‘s VPS hosting. So you should see some pretty significant […]