Nowadays, we use more and more electronic devices in daily life and work—like smartphones, tablets, laptops and smart wearables. Our need for quick charging is growing fast. Some people may always feel they don’t have enough charging ports on the desktop. To fix this issue, here comes a project, which is an open-source DIY desktop … Read more
Background: For amateur radio operators engaging in Portable Operations in the Parks (POTA) and Summits on the Air (SOTA), reliable, efficient power is the backbone of successful activations. These activities often take place in remote, off-grid locations where solar power becomes a vital energy source. An MPPT (Maximum Power Point Tracking) controller is not just … Read more
Introduction to Hobby Electronics Hobby electronics is a field that engages individuals with a passion for technology, enabling them to create, innovate, and experiment with electronic components and systems. It encompasses various activities including, but not limited to, building circuits, programming microcontrollers, and designing unique gadgets. This domain appeals to tech enthusiasts, makers, and anyone … Read more
Introduction to FreeRTOS and the ESP32 FreeRTOS is a prominent open-source real-time operating system (RTOS) specifically designed for microcontrollers and small embedded systems. Its popularity arises from its lightweight nature and efficient multitasking capabilities, making it an ideal choice for developers and hobbyists engaged in electronics projects. FreeRTOS provides a framework that allows developers to … Read more