Following the launch of the NanoPi M1, which has already made a significant impact in the market, the FriendlyARM team has once again showcased their unique creativity with the NanoPi NEO. The NanoPi NEO (hereinafter referred to as NEO) is a completely open-source pocket maker tool launched by the FriendlyARM team for makers, embedded enthusiasts, … Read more
Introduction In IoT applications, battery-powered devices often need to communicate with MQTT servers, but the high power consumption of WiFi connections can severely affect battery life. The ESPNow2Mqtt library was born to address this issue, utilizing ESP-Now technology to complete MQTT communication within 100 milliseconds, achieving low power consumption and efficient IoT data transmission. Architecture … Read more
If you are unfamiliar with NanoFramework, you can check out the following examples 
The smart home system utilizes a multitude of IoT devices (such as temperature and humidity sensors, security systems, lighting systems) to monitor the internal state of the home in real-time, achieving intelligent adjustments and human-machine interaction. With the development of IoT technology, its application scope, data scale, and market share will further expand, making intelligent … Read more
Raspberry Pi (https://www.raspberrypi.org/) is a microcomputer board developed by the Raspberry Pi Foundation in the UK, based on ARM architecture. This board provides USB and Ethernet interfaces, allowing connection to keyboards, mice, and network cables. It has the basic functions of a PC, and the Raspberry Pi integrates Wi-Fi, Bluetooth, and a large number of … Read more
In this article, we learn how to transmit MQTT messages from ESP8266 / NodeMCU to a Raspberry Pi running an MQTT broker. Our NodeMCU will read the light levels through a light-dependent resistor (LDR) and then transmit this information to the Raspberry Pi over Wi-Fi using MQTT. NodeMCU is an open-source IoT platform. It is … Read more
MQTT Programming The Raspberry Pi, developed by the Raspberry Pi Foundation in the UK, is a microcomputer motherboard based on ARM architecture. This motherboard provides USB and Ethernet interfaces, allowing for the connection of keyboards, mice, and network cables. It has the basic functions of a PC, while also integrating Wi-Fi, Bluetooth, and a large … Read more
[Image] Application Background HONG KEUbidots is an Internet of Things cloud platform that securely connects hardware and digital inputs to the Ubidots Cloud through a device-friendly API (accessible via HTTP / MQTT / TCP / UDP protocols). It allows data to be sent to the cloud from any internet-enabled device, such as Arduino…
Click the “Mechanical and Electronic Engineering Technology” above to follow us 1. Introduction to GPIO The Raspberry Pi (GPIO) is a digital input/output interface used to control and monitor electronic components. Input pins can be used to read signals from external devices such as sensors or buttons; output pins can be used to output voltage … Read more
All the tool download links mentioned below are in the read more link at the bottom left of the article. ## 1. Format the MicroSD Card Be careful not to be tempted by cheap prices; it is said that 40% of sandisk cards on the market are fake, so it is best to buy from … Read more