CHIPSEA CST85F01 is an Arm Cortex-M4F microcontroller clocked at up to 480 MHz and designed for IoT applications with dual-band (2.4/5.0 GHz) WiFi 6 with TWT (Target Wake Time) support, Bluetooth 5.0 LE, and a range of I/Os. Following the recent availability of 2.4 GHz WiFi 6 IoT chips such as Espressif Systems ESP32-C6 and Bouffalo Lab BL616, CHIPSEA CST85F01 offers an alternative with dual-band WiFi 6 connectivity while we are waiting for the launch of the ESP32-C5 RISC-V microcontroller. CST85F01 specifications: CPU core – Arm Cortex-M4F CPU with MPU and FPU @ up to 480 MHz Memory – 992 KB SRAM, SDR/DDR PSRAM interfaces Storage – 752 KB ROM, 8 Mbit to 128 Mbit flash WiFi features 2.4GHz/5GHz Wi-Fi 6 Data rates up to 286.8 Mbps (Tx) and 229.4 Mbps (Rx) with 20/40 MHz bandwidth Rx sensitivity – -98dBm in 11b mode, -93.5dBm in MCS0 HT20 mode Tx power […]
$4 Sipeed M0S Dock IoT development board features BL616 WiFi 6, BLE 5.2, and Zigbee RISC-V microcontroller
As expected, Sipeed has now launched the Sipeed M0S IoT module based on Bouffalo Lab BL616 RISC-V microcontroller with 2.4 GHz WiFi 6, BLE 5.2, and Zigbee connectivity along with the “Sipeed M0S Dock” development board. The M0S is a tiny module (11×10 mm) with a 320 MHz wireless MCU, a ceramic antenna, and castellated holes for I/Os, and the Sipeed M0S Dock places the module on an easy-to-use board with a USB Type-C port, a BOOT button, and a 12-pin 2.54mm pitch header. Sipeed M0S module specifications: MCU – Bouffalo Lab BL616 32-bit RISC-V (RV32IMAFCP) microcontroller @ up to 320 MHz (384 MHz overclocked) with 480KB SRAM, 4MB flash, 2.4 GHz WiFi 6, Bluetooth 5.2 dual mode, and 802.15.4 radio (Zigbee) Antenna – Ceramic antenna (red component on module) I/Os – 25 castellated holes with RGB LCD DVP camera USB 2.0 OTG up to 480 Mbps I2C, UART, SPI […]
ESP32-C6 WiFi 6, BLE, and 802.15.4 module and development board launched!
Espressif Systems has finally launched the ESP32-C6 WiFi 6, Bluetooth 5.0 LE, and 802.15.4 IoT microcontroller by making the ESP32-C6-WROOM-1 module available on Aliexpress for $14.25 for a pack of 5 modules as well as the ESP32-C6-DevKitC-1 development board that’s out of stock on the official store at the time of writing. but somehow listed in another store for $16.22 plus shipping. Besides the availability announcement, another surprise is the 802.15.4 radio for Zigbee and Thread that was not part of the original ESP32-C6 announcement in April 2021. The ESP32-C6-DevKitC-1 development board comes with a module with 8MB flash, exposes most of the I/O’s from the ESP32-C3, and comes with two USB-C ports, two buttons, and an RGB LED. ESP32-C6-DevKitC-1 development board specifications: Wireless module – ESP32-C6-WROOM-1 with ESP32-C6 single-core 32-bit RISC-V clocked up to 160 MHz 320KB ROM, 512KB SRAM, low-power RISC-V core @ up to 20 MHz Wireless […]
Maker Feather AIoT S3 – An ESP32-S3 board programmable with CircuitPython or Arduino
Cytron Maker Feather AIoT S3 is an ESP32-S3 board compatible with the Adafruit Feather form factor and suitable for makers and STEM education with features like LEDs for GPIOs, a buzzer, expansion headers and connectors, and support for CircuitPython & Arduino. The WiFi and Bluetooth LE IoT board also supports LiPo and Li-Ion batteries, includes a USB Type-C port for power/charging and programming, and a few buttons. It’s suitable for machine learning thanks to the vector extensions found in the ESP32-S3 microcontroller. Maker Feather AIoT S3 specifications: Wireless module – Espressif ESP32-S3-WROOM-1-N8R8 module with ESP32-S3 dual-core LX7 microprocessor @ up to 240 MHz with Vector extension for machine learning, 8MB FLASH, 8MB PSRAM, WiFi 4 and Bluetooth 5 LE/Mesh USB – 1x USB Type-C port power and programming Expansion 2x GPIO headers compatible with Adafruit Feather form factor and FeatherWing add-on boards 3x Maker Ports compatible with Qwiic, STEMMA QT, […]
Walter ESP32-S3 board supports NB-IoT, LTE-M, and GPS
QuickSpot Walter is an ESP32-S3 development board with built-in WiFi 4 and Bluetooth LE/Mesh connectivity, as well as NB-IoT, LTE-M, and GNSS support through a Sequans GM02SP 5G IoT modem that appears to be a variant of the Sequans Monarch 2 GM02S with GNSS support. Walter specifications: Wireless modules ESP32-S3-WROOM-1-N16R2 module ESP32-S3 dual-core LX7 microcontroller 2MB QSPI PSRAM 16MB QSPI flash 802.11 b/g/n WiFi 4 up to 150 Mbps with on-board antenna Bluetooth 5 LE up to 2Mbps, Bluetooth Mesh Sequans GM02SP modem LTE Cat M1 (LTE-M) and NB1/NB2 (NB-IoT) GNSS and assisted GNSS using GPS and Galileo constellations NanoSIM for cellular connectivity I/Os 2x 14-pin headers with up to 24x GPIO, UART, VIN, 3.3V, and GND 23x test points 3.3V I/O voltage Power Supply 5V (3.0 to 5.5V) DC via VIN pin 5V via USB Type-C port Dimensions – 55 x 24.8 mm Temperature Range – -40°C to +85°C […]
Bouffalo Lab BL616/BL618 RISC-V MCU supports WiFi 6, Bluetooth 5.2, and Zigbee
Bouffalo Lab BL616/BL618 is a 32-bit RISC-V wireless microcontroller with support for 2.4 GHz WiFi 6, Bluetooth 5.2 dual-mode, and an 802.15.4 radio for Zigbee, Thread, and Matter designed for IoT applications. We first spotted the BL616 RISC-V IoT MCU during the BL602/BL606 announcement in November 2020, but we had virtually no additional information about it so far. It appears both BL616 and BL618 will be launched next month with the main difference between the two being that BL616 has 19 GPIOs and BL618 comes with 35 GPIOs. Bouffalo Lab BL616 and BL618 specifications: MCU core – 32-bit RISC-V CPU (RV32IMAFCP) @ up to 320 MHz with FPU and DSP, 32KB instruction cache & 16KB data cache VPU – MJPEG video encoder Memory – 480KB SRAM, 4KB HBN RAM, embedded 4 or 8MB pSRAM (optional) Storage – 128KB ROM, 4Kb eFuse, embedded 2, 4, or 8MB flash (optional), XIP QSPI […]
Meadow F7v2 Feather STM32F7 MCU board supports .NET, C# programing
Wilderness Labs Meadow F7v2 Feather is an STM32F7 Arm Cortex-M7 development board following the Adafruit Feather form factor and programmable with C# through a lightweight implementation of the .NET framework. We had previously seen the .NET Framework running on Android and Linux thanks to Xamarin’s Mono, but I don’t think I had ever a microcontroller-class board supporting the .NET framework and C# programming. But that’s exactly what the Meadow F7v2 Feather does. Meadow F7v2 Feather specifications: MCU – STMicro STM32F7 Arm Cortex-M7 microcontroller @ 216 MHz with 2D graphics and JPEG accelerators Memory – 32MB RAM Storage – 64MB flash Connectivity – 2.4 GHz WiFi and BLE (ESP32) with onboard and external u.FL antennas USB – 1x Micro USB port for power and programming Expansion with through and castellated holes with up to 25x GPIO, 12x PWM, 6x analog inputs, 2x DAC, I2C, I2S input/output, SPI, UART, CAN Bus Misc […]
DROPLET irrigation system works with ESPhome and Home assistant
When PricelessToolkit failed to find an affordable (indoor) irrigation system that works with Home Assistant and ESPHome, he built the DROPLET board based on ESP32 wireless SoC and supporting up to five micro-pumps and soil moisture sensors. The board also comes with switches to manually control the pump, a built-in DS18B20 temperature sensor, a buzzer, and a I/O header to connect an expansion header for relay control, I2C, GPIOs, and an external DS18B20 temperature sensor. DROPLET specifications: Wireless module – ESP32-S with ESP32 dual-core 32-bit microcontroller @ 240 MHz with 2.4 GHz WiFi and Bluetooth connectivity, 4MB SPI flash Display – I2C header for 5V/3.3V OLED display Pump interfaces – 5x 2-pin connectors for micropumps Sensors and sensor interfaces DS18B20 temperature sensor 5x 3-pin connectors for soil moisture sensors; pulled low with a 1 MΩ resistor. Expansion – 2x 16-pin right-angle female header with GPIOs, UART, 5V, and GND Debugging […]