CO2 sensors from Sensirion. SCD30, SCD40, or STCC4? Which sensor is suitable for home use?
Sensirion, a leading manufacturer of various sensors, offers multiple types of sensors for measuring CO2 concentration. This article will explore the differences, advantages, and the best sensor for battery operation.
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ESP32, SunDuino – temperature/humidity Si7021 sensor and OLED 128x64px (I2C)
Other article about ESP32. We again connect ESP32 to temperature/humidity sensor Si7021 (HTU21), but today we also connect OLED where will be showed data from sensor. The OLED has 128x64px…
The IQRF Summit 2017 witnessed real IoT applications
The event focused on real solutions for smart cities, buildings, homes, transportation, security and industry was held in Prague on 7 and 8 June 2017. Their products and solutions were…
2 tutorials with ESP8266 – WiFi expander/repeater and temp/hum sensor DHT11
There are two interesting tutorials with WiFi ESP8266. The first of them is WiFi repeater/extender and second tutorial is how to use DHT11 temperature/humidity sensor with NodeMCU (ESP12E). The first…
ROCK64, 64-bit with Rockchip RK3328
ROCK64, a new single-board computer by PINE64. Rockchip RK3328 (64bit quad-core A53), 1/2/4 GB 1866 MHz LPDDR3 RAM, eMMC socket, 128 Mbit SPI FLASH, Gigabit ethernet, 2x USB 2.0, 1x…
Tutorial: how to use MicroPython (uPython) on ESP32
Very short news. This tutorial how to use MicroPython on ESP32 is written for Windows OS, but changes in steps will not so difficult for Linux or MacOS. Let’s try…
A64_OLinuXino – quad-core, 1/2GB RAM, WiFi&BLE, gigabit ethernet
Olimex released a new single-board computer – A64-OLinuXino. THe development of board started since 2015, now is available on store. A64-OLinuXino is available in three variants. On store is only…
M5Stack Core – ESP32
M5Stack – stackabled development boards, which be useful for your development. This is description of M5Stack project in one sentence. The main advantages of M5Stack are Arduino IDE library, whole…
Up Core – X86 quad-core, kickstarter campaign
UP board or UP? (UP squared) board, these are familiar names of single-board computers. UP team comming with kickstarter campaign for a new single-board computer called UP core. UP core…
UPDATED: SinoVoip in automotive? Released BananaPi-T3
SinoVoip company released a few pictures of BananaPi-T3 (BPI-T3). It should be designed for automotive application. Maybe infotainment (?). UPDATE: BananaPi-T3 will not be on stock for hobby makers. T3…
PHOTO GALLERY: STM32L4 IoT development board
We shared a few weeks ago the news about STM32L4 IoT development board. There are pictures of the board. The development board contains a lot of sensors and wireless technologies.…