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Posted on Originally published at blog.circuit.rocks

Nordic nRF54LC10A: One Chip for BLE, Thread, Zigbee and Matter

Want a Matter sensor that runs for months on a coin cell? Your shopping list today is an nRF54L15 development kit, a breadboard, a couple of I2C sensors and the free nRF Connect SDK. Nordic's newest entry-level part, the nRF54LC10A, is sampling now, but its own dev kits do not land until Q1 2027 and the chips reach mass production in Q2. Code you write against the L15 this semester ports across, so there is no reason to sit on your hands until then.

What Nordic actually announced

The nRF54LC10A is the budget end of the nRF54L family, and the pitch is that it drops the price without dropping protocols. One radio block covers Bluetooth Low Energy, IEEE 802.15.4-2020, and the proprietary 2.4GHz mode Nordic uses for low-latency links. That 802.15.4 support is what gets you Thread, Zigbee and Matter off a single part instead of bolting a second radio onto your board. Nordic is aiming it at asset trackers and simple smart-home sensors, plus hub designs where it sits next to a bigger processor and handles Thread traffic as a coprocessor.

The numbers that matter at the bench

Inside is an Arm Cortex-M33 at 128MHz with a RISC-V coprocessor clocked to match, 192kB of SRAM, and 1,012kB of RRAM standing in for the flash you would normally expect. RRAM writes faster and cheaper in energy terms than flash, which matters when your logger wakes up, scribbles a reading and goes back to sleep. You get up to 31 GPIO pins, I2C, SPI and UART, and an eight-channel ADC you can switch between 10-bit and 14-bit precision. The detail worth circling: a real-time clock that keeps ticking while the chip sits in OFF mode. That is the whole battery-life trick in one line, since your sensor spends most of its life asleep at microamp draw, wakes on the RTC, transmits, and drops back down.

Where to point it

For a capstone or thesis build, Matter is the angle with the most road ahead of it. A classroom air-quality node or a campus asset tracker that joins a Thread network and pairs with commercial hubs is a far stronger defense than another Wi-Fi sensor posting to a dashboard nobody else can reach. Start by reading the full Hackster write-up on the nRF54LC10A, then flash the Matter light-bulb sample from nRF Connect SDK onto an L15 board and watch it pair. If your sensor reads garbage on the ADC, check your pull-ups before you blame the chip.


Originally published on blog.circuit.rocks.

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