Espressif Systems has just started mass production of the ESP32-C5 RISC-V wireless microcontroller with dual-band (2.4/5.0 ...

[Jelmer] used a HLK-RM04 WiFi router module for the brains of his build, which talks to an ATMega that controls a SI4432 RF transceiver. The router runs OpenWRT and generates POCSAG control ...

LuckFox Pico Mini is a very small Linux board. This board runs Ubuntu, but it does not have network functionality. We can use the W5500 SPI Ethernet module.