In the realm of the Internet of Things and embedded development, LCD screens are crucial components for human-machine interaction. The Hezhou LuatOS system, with its lightweight and highly flexible characteristics, provides developers with convenient LCD driver support. ▼ Click to view video demonstration ▼ This article will take the Air780EPM development board’s LCD application as … Read more
UC1701x LCD Module Application Guide 1. Module Overview The UC1701x is a commonly used LCD controller chip that supports a 96×64 dot matrix display, with 4-bit or 8-bit parallel interfaces and 3-wire or 4-wire serial interfaces. This controller is widely used in industrial control panels, handheld instruments, and other scenarios. Its highlights include a simple … Read more
Ahem… another sleepless night tortured by SD cards! I remember a young engineer asking me last week, “Why does his data keep disappearing after writing?” This reminded me of my own struggles back in the day. The SD card, though seemingly insignificant, often gives engineers a headache… What exactly is an SD card? Simply put, … Read more
Basic Features (1) ISM and SRD frequency bands of 2400-2483.5 MHz (2) Maximum operating rate of 500 kbps, supporting 2-FSK, GFSK, and MSK modulation methods (3) High sensitivity (-101 dBm at 10 Kbps 1%) (4) Built-in hardware CRC error detection and point-to-multipoint communication address control (5) Low current consumption (13.3 mA in RX) (6) Programmable … Read more
Friends involved in hardware design should be familiar with the SPI interface and the GPIO ports of MCUs, and many have personally designed SPI interfaces. When designing, did you consider this important parameter? — The driving capability of the SPI interface and ordinary GPIO ports. Today, let’s discuss how to evaluate the driving capability of … Read more