info.mkrsgh.org - page 4

Recent posts

Review: ESP32-S2-Saola-1 and nanoESP32-S2

Updated:

6 minute read

I recently bought two ESP32-S2 development boards, ESP32-S2-Saola-1 and nanoESP32-S2. ESP32-S2 is a recent addition to ESP32-family, a scaled-down version of ESP32 with new peripherals and features. I have several ESP32 (and tons of ESP8266) for developments, but not many ESP32-S2. While waiting for the latest products — ESP32-C3 — from espressif, I would like to test the libraries and projects...

Review: LILYGO TTGO T8 ESP32-S2-WOOR

Updated:

9 minute read

As a maintainer of esp-idf-lib, I would like to test the library on ESP32S2, a single core version of ESP32. At the moment, the only ESP32S2 development board available from AliExpress — the only practically feasible distributor in the country where I live — is one from LilyGo. LilyGo, a Chinese manufacturer, has a broad range of ESP32 development boards. As their boards are kind of hit-or-mis...

Logistics updates in Siem Reap

Updated:

1 minute read

I have been making several purchases from AliExpress since the last post about shipping from China to Cambodia (Logistic recovering from Covid 19). Here is the summary: it takes a bit longer than before, but reasonably fast.

Talk: STEM Education programs for kids in Siem Reap

Updated:

1 minute read

I am trying to open a makerspace here in Siem Reap, where tools and equipment are provided for makers, who create things. I would like to introduce one of my subprojects at the makerspace, STEM education program with BBC micro:bit for kids ages 6 through 12. I would like to give a talk about the project to parents in Siem Reap.

How engineers fix problems

Updated:

8 minute read

As I wrote before, the small alley in front of the property will be paved soon. Everyone in the alley needs to give up some part of their lands. That also means major constructions of walls, gates, gardens, and swimming pools. All the owners are renovating. Babel Guesthouse is not an exception. They had a nice garden, but it’s gone. They are working on new garden. As the network devices and c...