
USB-C, myths and nonsense.
An article about USB-C was published on HN, and I simply have to respond. Besides a few inaccuracies, there has also been a wave of nonsense and myths on social media. The article on HN is behind a paywall, so I will try to address certain parts of the text without needing to copy it.
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Soldering pen for Weller tips – tindie
You can buy a lot of kind of soldering pens or soldering stations, if you prefer soldering pens, check this news. Ebay and aliexpress offers a few soldering pens, for…

How to decrease the deep-sleep current of ESP32-CAM
ESP32-CAM is very popular development board which contains Wi-Fi and Bluetooth connectivity with ESP32 module, OV2640 camera, slot for microSD card and programmer – USB-UART convertor. These parts are designed…

5 pcs of PCB with 100×100 for 0 USD
NextPCB offers 5 pcs with dimension 100×100 mm, only green soldermask for 0 USD. The shipping in my case is 8.80 USD (China Post Airmail), 24.60 USD for DHL. https://www.nextpcb.com/

Update: Rock Pi S – single-board computer with RK3308 for 9.99 USD – 256/512MB RAM, 1GB NAND FLASH, PoE
Update 2: Official release of Rock Pi S (v1.2) on official store of Rock Pi. Rock Pi store offers a few types which combine amount of RAM (256/512), optional 1GB…

Weather station with ePaper and weather data from OpenWeatherMap
The weather station is the first DIY project which makers do after sometime of playing with electronics. It is project which is helpful and makers using this long time. This…

New version of Wi-Fi module (v1.1) for IoT platform called BigClown
Wi-Fi module is used for Wi-Fi connection with your server and sending/receiving data with BigClown IoT platform. Wi-Fi connectivity is missing in the offer of BigClown. If you use Wi-Fi…

Update AT firmware to ESP8266 (ESP12E) in Linux
During the development of SW support of BigClown Wi-Fi module with ESP8266 in ESP12E module. Martin Grames found issue with using of SNTP or SSL, you have to update AT…

RaspberryPi 4B is not working with your USB-C charger? “We know”.
Tyler Ward shared detailed article about not working USB-C chargers with Raspberry Pi 4B. The problem is in design of USB-C of Raspberry Pi. HW designers used only one pull-down…

TTGO T-Call – development board with ESP32, GPRS module SIM800L and USB-C
LilyGO is known manufacturer of development boards, kits and modules TTGO, which contains diverse variantions of electronic components and functionality. Today they released a new board called TTGO T-Call contains…

Photogallery: Raspberry Pi 4B – 1/2/4 GB RAM, USB-C, 4K video – 35 USD
Raspberry Pi Foundation released a new version of Raspberry Pi single-board computer 4B. The improvement is really significant. RPi 4B supports 4K video, HEVC.H265 decoding, native gigabit ethernet and also…
