For embedded developers, is an excellent real-world project. You learn:
: It utilizes a 2.8-inch ILI9341 LCD (320x240) and provides 8MB of internal flash storage for apps and data captures. Key Firmware Projects LA104 pocket logic analyser operating system - GitHub
This is why has become a thriving niche. The community has reverse-engineered the hardware and created open-source alternatives that transform the device.
The stock firmware uses a simple round-robin DMA to capture data. But advanced involves: la104 firmware work
The modular architecture makes adding new features straightforward. For example, to implement a new RF protocol:
Some developers have built “firmware mods” that turn the LA104 into a:
After successful build, the firmware image ( system.hex ) is in the build directory. For embedded developers, is an excellent real-world project
The LA104 was born in a quiet workshop above a bicycle repair shop, where solder smoke mixed with the scent of oil and old paper. It was small — barely larger than a coin — but packed with curiosity: a tiny screen, a few buttons, and a heart of code called firmware.
Recognizing the LA104’s potential, developer Gabriel Valky (gabonator) created an alternative open-source firmware that completely reimagines the device’s software. The replacement is described as “really an incredible accomplishment” that “elevates an already intriguing piece of kit”.
As of 2025, new hardware like the DS212 and LA2016 may outshine the LA104 in raw specs. However, the LA104 remains a beloved platform precisely because of its . No other pocket logic analyzer offers this level of low-level access. For example, to implement a new RF protocol:
4 digital input channels and 4 programmable digital output channels.
Hold the ">|" (Play/Pause) button while switching the power on.
If you are currently trying to upgrade your device, I can help you find the specific download links and installation steps. Please tell me: What is printed on the back of your LA104?
The is a popular, pocket-sized 4-channel digital logic analyzer known for its 100 MSa/s sampling rate, 2.8-inch color screen, and extreme portability. However, while the stock factory software is adequate for basic UART, I2C, and SPI decoding, it severely limits the hardware's true capabilities.