All Tesla vehicles are equipped with eSIM or built-in SIM cards that provide 4G/5G connectivity for the car. This Tesla SIM works only on official markets and is useless in “gray” areas. There is no connectivity at all in non-official regions. Installing a local SIM card can solve the connectivity issue. Previously, I explained how to replace the LTE modem…
Starlink rev 3 (V2) power architecture
This article will explore how the Starlink REV3 (a.k.a. G3/V3) power architecture is implemented. We will learn how the Starlink “PoE” is implemented and how the Starlink board powers up. This information might be helpful for those doing Starlink repairs. The primary focus will be on the rev3 boards, which are the most common worldwide (as of summer 2024). Please…
Powering Starlink REV4 (V3) from the 12V without PoE injector/router
My 12V mod for the REV3 is extremely popular. Today, I will show you how to make a similar modification with the new terminal REV4 (a.k.a V3). As always, a lot of pictures below.
Starlink terminal revision 4: overview and tests
Revision 4 is the new version of the Starlink user terminal. As of February 2024, the new version is only available in the US. I decided to test the new hardware and compare it to the well-known REV3 (a.k.a. Gen2/V2 or “Standard Actuated”).
Connecting external GPS antenna to the Starlink terminal
In this article, I would like to discuss Starlink GPS implementation, potential problems, and ways to improve. Let’s agree that the paper will focus on GNSS in general, but for convenience, I will call it GPS. But first…
How to power Starlink terminal from 12V without PoE injector and DC/DC converters
Today it has become popular to convert rectangular Starlink terminals into a flat “automotive” version. There are tons of projects like this one or this. People cut the terminal case and pack it in a custom flat housing. Typical usage: RV. An essential part of such modifications is the change of the power scheme.
Reworking Gen2 Starlink router from SPX connector to 8P8C (RJ45)
Everyone would agree that the proprietary SPX connector isn’t the best solution. Sometimes it fails, especially when frequently connecting and disconnecting. And there is no easy way to repair or replace this connector. In this article, I would like to show a method of reworking the Starlink Gen2 router to RJ45 (it’s 8PC, but…).
Data logger for UNI-T UT800 multimeters
I have been using my uni-t ut804 bench multimeter for a while. My current tasks requires collecting different kinds of measurements for further analysis. I decided to connect my multimeter to a computer for data capture.
How to add Ethernet port to the Gen 2 Starlink router
Many people are asking about Ethernet on the Gen2 Starlink router. My article about the Ethernet adapter is also quite popular. Let’s see how we can bring this port back to the router.
EQMOD adapter for telescopes. Version 2
This is a short note about the upgraded version of my old EQMOD adapter for telescopes. Technically, this device it’s a USB – UART adapter with galvanic isolation. That’s why it might be used not only for telescope control. It’s a third revision of the board.