Latest News Of YIM Space

TrailNAV, an open-source solar-powered offline navigation device based on ESP32-C6 MCU and 2.7" e-paper display, was released in June 2026. It integrates NEO-M8N GPS and QMC5883L magnetometer for destination guidance and digital compass — fully off-grid, no cellular required. Fully open-source on GitHub, demonstrating embedded systems' potential for ultra-low-power outdoor navigation.

NB-IoT and LoRaWAN have become dominant connectivity technologies for solar GPS trackers, offering ultra-low power consumption and strong signal penetration. Solar panels are being further miniaturized for animal wearable trackers. 

In an era of deep integration between the Internet of Things (IoT) and new energy technologies, solar-powered GPS suppliers are emerging as key drivers in advancing green positioning technology. By combining solar power generation with GPS positioning, these manufacturers offer sustainable, maintenance-free solutions for outdoor equipment, logistics tracking, environmental monitoring, and more.

Solar Panels in Space Technology: Flexible Solar Wings Reach Batch Production Maturity with One-Rocket Four-Satellite Mission

To address the energy loss caused by insufficient sun-tracking accuracy in PV systems, researchers have developed a hybrid algorithm dual-axis solar tracking system (DASTS) that integrates GPS positioning and light-dependent resistors (LDRs). Through innovative LDR design and algorithm optimization, the tracking error has been reduced to 1.8°, and experimental results show a 38.2% increase in power generation compared to fixed systems.

The selection of a satellite platform is one of the most fundamental hardware choices in a space mission. It dictates the overall Size, Weight, and Power (SWaP) budget range available for the rest of the setup and has knock-on effects on all other aspects of the mission design.

The micro solar cell harvests energy from ambient light, but its output drops sharply indoors or at night. To solve this, the LED patch – which attaches comfortably to the skin – emits red light (670 nm) that penetrates deeply through tissue, delivering reliable optical power to the subcutaneous solar cell. This hybrid approach ensures continuous, daylight‑independent energy supply.

The Internet of Things (IoT) requires sustainable, battery-free power solutions. Micro energy harvesting captures ambient energy to enable self‑powered IoT nodes. Among all available sources, solar energy (photovoltaic harvesting) offers the highest power density and greatest maturity, making it the most practical choice for indoor and outdoor IoT deployments.

Thin-film solar cells are a type of solar cell made by depositing thin layers of photovoltaic material onto a glass, plastic or metal substrate. Thin-film solar cells are typically much thinner than the wafers used in conventional crystalline silicon based solar cells. Only seven years later in 1999, the U.S. National Renewable Energy Laboratory and Spectrolab collaborated on a three-junction gallium arsenide solar cell that reached 32% efficiency. In 2022, Vladimir Bulović's Organic and Nanostructured Electronics (ONE) Lab at the Massachusetts Institute of Technology (MIT) introduced flexible organic thin-film solar cells integrated into fabric.

Micro solar cells extend the operational lifespan of IoT wildlife trackers indefinitely, resolving the critical limitation of finite battery capacity in remote conservation efforts. By harvesting ambient light energy, these miniature photovoltaic cells eliminate the need for dangerous and expensive animal recapture operations to replace tracking hardware batteries.