The NuMaker-PFM-M2351 is fantastic board powered by a microcontroller from the ARM Cortex-M23 family.
The board combines a secure memory, one WiFi module (ESP8266EX ESP03), one NAU88L25 audio codec with a 3.5mm Mid-Mount SMD headphone jack and one Micro-SD Read more
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The Nuc140V (connectivity series Cortex) board with LCD display, 9-pin UART and Voice Codec and has a 40% discount now https://direct.nuvoton.com/en/learning-board-of-nuc140-series
NUC140 Learning Read moreThe M0564VG4AE is a Cortex-M0 microcontroller which can run at up to 72MHz, features 85 I/O pins, 256 KB Flash, 20 KB SRAM, 4KB ISP ROM Read more