Author: Debashis Das

JieLi Technology AC6329C4 is a 35 cents MCU that also has support for Bluetooth 5.0, it also has several I/Os, ADC, PWM, and other features. The MCU is very similar to the CH32V003 MCU in terms of cost but the main difference is that the CH32V003 does not have Bluetooth support but the...

Waveshare PCIe-Based 5G HAT+ for Raspberry Pi 5 enables high-speed 5G/4G/3G networking for the Pi. It supports multiple SIMCom/Quectel 5G modules such as Quectel RM502Q-AE and is compatible with both Raspberry Pi OS and OpenWRT. The HAT features a Type-C port for connecting to...

FluidNC TMC2209 Pen/Laser CNC Controller is an ESP32-based 2-axis CNC controller with FluidNC firmware. This CNC controller is designed for machines that use stepper motors on 2 axes. These include pen drawing machines, laser cutters/engravers, sand plotters, etc. It also has an RC...

Espressif Systems has now released a stable version of ESP32 Arduino Core 3.0.0 with support for ESP32-C6 and ESP32-H2 MCUs based on the ESP-IDF 5.1.4 framework. As usual, you can now use this latest version of IDF in your Arduino IDE, but at the time of writing it's unclear whether...

RPGA Feather by Oak Development Technologies is an RP2040 and iCE40FPGA-powered development board in an Adafruit Feather form factor. The board is tiny and features an MCP73831 1S LiPo charger, a USB 2.0 Type-C connector for power and programming, and an RGB LED driven by the...

Mekotronics R57 is a fanless AI mini-PC powered by a Rockchip RK3576 octa-core Cortex-A72/A53 SoC SoC. Other than that it has dual GbE Ethernet, 6 TOPS NPU RS232, RS485, and digital inputs and outputs, and in terms of RAM and Storage it includes up to 4GB LPDDR5, a 32GB eMMC...

Conexio Technologies, Inc. has recently introduced Conexio Stratus Pro, a battery-powered development board built around Nordic Semiconductor's nRF9161 cellular modem. The unique aspect of this board is that it has support for LTE-M, NB-IoT, and GPS connectivity and to make things even...

AgroSense is a multifunctional LoRa temperature and humidity sensor with advanced LoRa technology, especially suitable for industrial and agricultural applications. It not only realizes long-distance data transmission, but also has the advantages of high accuracy and low power...