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217

Raspberry Pi 500+ Launches with 256GB NVME SSD and 16GB RAM

By Travis Foss

The Raspberry Pi 500+ features a mechanical RGB keyboard, upgrades memory to 16GB, and includes a pre-loaded 256GB SSD with the latest Raspberry Pi OS.

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57

Non-Compliant Use of CH340 V3 Pin: Deep Dive for Engineers

By PTSolns

In this technical post, we explore the widely used CH340 IC from WCH, a popular USB-to-serial converter.

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30

Measuring the Current Draw on BMP280 Sensor Module

By PTSolns

In this post, we measure the BMP280 barometric pressure sensor in Normal mode and Forced mode using the Nordic Power Profiler Kit II (PPK2).

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172

Audio Devices: We Use Them, But What Are They?

By Aaron Gondo

Learn how dynamic and planar magnetic drivers create sound using magnets, diaphragms, and current.

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61

UNIHIKER K10 Update: 4 Programming Platforms On Windows, macOS & Linux

By DFRobot

The UNIHIKER K10 is now fully compatible with major programming platforms.

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64

FireBeetle 2 ESP32-C5 Review: Dual-Band Wi-Fi 6 & Solar Charging

By DFRobot

As Internet of Things (IoT) applications continue to evolve, developers using the ESP32 series often face challenges such as congested 2.4GHz bands, data transmission bottlenecks, and inefficient multi-device collaboration.

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48

Selection Guide of DAC Modules

By DFRobot

DFRobot’s DAC module selection guide, dividing modules into 0-2.5V/VCC, 0-5V/10V, 4-20mA categories. It details each product’s SKU, chip, channels, I/O, resolution, accuracy, features, includes functional diagrams, helping choose the right one.

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35

FireBeetle V1 vs V2 (ESP32/ESP8266/Arduino) Development Board Selection

By DFRobot

This guide compares FireBeetle V1 vs V2 (ESP32/ESP8266/Arduino versions), breaking down key differences in features, hardware/software compatibility to help pick the best for smart home/IoT.

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35

Selection Guide for DFRobot pH Sensors

By DFRobot

A comprehensive comparison of pH sensors tailored for various applications from Arduino enthusiasts to industrial monitoring.

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25

UNIHIKER K10 Camera Extension & Flipping Guide for AI/Robotics Projects

By DFRobot

When working on the UNIHIKER K10 AI vision recognition project, we often need to recognize our own face or point the camera in a different direction. However, since the K10's camera is fixed on the board, this can be difficult. To solve this, we can use a 24-pin FPC Extension Board and an FPC cable.

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25

My Journey Learning Hardware as a Computer Science Student

By Shruti Garg

Learn how a CS major tackled robotics, wireless charging, and Raspberry Pi with no prior hardware background.

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149

Why Your USB-C Cable Won't Program Your Microcontroller

By PTSolns

Some USB-C cables only charge and can’t upload code to microcontrollers like the Nano Flip or ESP32 microWatt. Learn why your cable might be the issue.