M5Stack CM4Stack is a tiny Arm Linux mini PC based on Raspberry Pi CM4 that measures 59 x 44 x 46mm and integrates a 2-inch touchscreen display for information and control, as well as the usual ports you’d expect from a mini PC such as HDMI, USB 3.2 ports, Gigabit Ethernet, and so on. We’ve previously written about M5Stack Core and Atom controllers based on ESP32 microcontrollers, an optional 2.0-inch display, and a few GPIOs. The company has now decided to provide a similar solution with a jump in performance and interfaces with the CM4Stack development kit. CM4Stack specifications: SoM – Raspberry Pi CM4 (CM4104032) with SoC – Broadcom BCM2711 quad-core Cortex-A72 processor @ 1.5 GHz System Memory – 4GB RAM Storage – 32GB eMMC flash Wireless module with 802.11 b/g/n/ac WiFi 5 and Bluetooth 5.0 Integrated display – 2.0-inch LCD with ST7789V2 controller, touchscreen function Video Output – HDMI […]
M5Stamp S3 WiFi and BLE IoT module offers up to 23 GPIOs through 2.54mm and 1.27mm pitch holes
M5Stamp S3, aka M5Stamp ESP32S2 or Stamp S3, is a tiny ESP32-S3 WiFi & Bluetooth LE (BLE) IoT module with a USB Type-C port, over 20 I/Os available through 2.54mm and 1.27mm pitch headers and castellated holes, and a heat-resistant cover. Many of the “new” ESP32-S3 hardware platforms launches these days are often updates from an ESP32 design, and the M5Stack’s M5Stamp S3 is no exception building on the original M5Stamp Pico, and its ESP32-C3 variants, namely M5Stamp C3 and C3U. M5Stamp S3 specifications: WiSoC – Espressif Systems ESP32-S3FN8 dual-core 32-bit Xtensa LX7 microcontroller with AI vector instructions up to 240MHz, RISC-V ULP co-processor, 512KB SRAM, 2.4GHz WiFi 4 (802.11b/g/n), Bluetooth 5.0 BLE + Mesh, 8MB flash as found in the M5Stack ATOMS3 (Lite). Connectivity 2.4 GHz WiFi 4, 20 MHz and 40 MHz bandwidth, IEEE 802.11 b/g/n protocol, up to 150 Mbps Bluetooth 5, Bluetooth Mesh, with supports for […]
M5Stack ATOMS3 Lite is a tiny ESP32-S3 IoT controller with WiFi, Bluetooth, and an infrared transmitter
ATOMS3 Lite is the latest ESP32-S3 IoT platform from the M5Stack Atom series wireless programmable controllers, doing without the 0.85-inch display and IMU sensor found in the ATOM S3 development kit simply using an RGB LED instead. M5Stack ATOM S3 Lite features the ESP32-S3FN8 WiFi and Bluetooth SoC with 8MB SPI flash, an infrared transmitter, a USB-C port for power and programming, a few I/O pins, user and reset buttons all in just a 24x24x9.5mm housing. ATOMS3 Lite specifications: Wireless MCU – Espressif Systems ESP32-S3FN8 dual-core 32-bit Xtensa LX7 microcontroller with AI vector instructions up to 240MHz, RISC-V ULP co-processor, 512KB SRAM, 2.4GHz WiFi 4 (802.11b/g/n), Bluetooth 5.0 BLE + Mesh, 8MB flash Antenna – Internal “3D” antenna Expansion 9x pins with G5, G6, G7, G8, G38, and G39 GPIOs, 5V, 3.3V, and GND 4-pin Grove connector Misc IR LED (infrared transmitter/blaster) WS2812B-2020 RGB LED Reset and user buttons M.2 […]
M5Stack T-Lite Wi-Fi thermal camera integrates 1.14-inch color display
M5Stack T-Lite is a Wi-Fi thermal imager with the same MLX90640 IR array thermal camera found in the M5Stack Thermal Camera 2 Unit plus a 1.14-inch color display to visualize the results on the device itself. Based on the ESP32-PICO-D4 system-in-package with WiFi and Bluetooth, the solution allows the user to access the 32×24 pixels thermal image either on the built-in display, or streamed to the local network or the cloud. M5Stack T-Lite specifications: SiP – ESP32-PICO-D4 system-in-package with ESP32 dual-core Tensilica LX6 microcontroller with 448 KB ROM and 520 KB SRAM, 2.4 GHz WiFi 4 and Bluetooth 4.2, and a 4MB SPI flash Thermal camera – Melexis MLX90640 infrared (IR) sensor with 32×24 pixels IR array, range: -40°C to 300°C with +/-1.5°C resolution, FoV: 110°x75° (See datasheet) Display – 1.14 inch color TFT LCD with 240×135 resolution, ST7789v2 driver Expansion – 4-pin Grove HY2.0-4P interface (“Port A”) with I2C, […]
M5Stack Thermal Camera 2 Unit combines ESP32 WiSoC with MLX90640 thermal camera
We’ve already seen the ESP32 used with a thermal camera (Flir Lepton 3.5) in the tCam-Mini IR board, but M5Stack Thermal Camera 2 Unit offers a more affordable ESP32 thermal camera solution thanks to the MLX90640 IR array thermal camera with a 32×24 resolution. Based on the ESP32-PICO-D4 system-in-package (SiP) with a dual-core microcontroller offering WiFi and Bluetooth connectivity, the camera module offers a field of view of 110°x75°, and a temperature measurement range of -40°C to 300°C. M5Stack Thermal Camera 2 Unit specifications: SiP – ESP32-PICO-D4 system-in-package with ESP32 dual-core Tensilica LX6 cores, 448 KB ROM, 520 KB SRAM, 4MB SPI flash, 2.4 GHz WiFi 4 and Bluetooth 4.2 IR camera – Melexis MLX90640 Infrared (IR) sensor with 32×24 pixels IR array, range: -40°C to 300°C with +/-1.5°C resolution, FoV: 110°x75° (See datasheet) Expansion – Grove I2C HY2.0-4P interface (“Port A”) Misc – Reset button, passive buzzer, user RGB […]
Sensirion SCD40 CO2 sensor units for makers: M5Stack UNIT CO2 and TeHyBug ESP8285 device
We just wrote about the Infineon XENSIV PAS CO2 Shield2Go board to measure carbon dioxide (CO2) levels last week, but I’ve just come across two more hardware with a CO2 sensor designed for makers, but based on Sensirion SCD40 sensor instead, and mostly designed to monitor indoor CO2 levels since high concentrations may impact your health negatively. The first one is the M5Stack UNIT CO2 that’s designed to be connected to one of the company’s Core modules through an I2C interface, and TeHyBug portable mini sensor device equipped with ESP8285 WiFi microcontroller, as well as optional AHT10 temperature & humidity sensor and BMP280 pressure sensor, besides the SCD40 sensor. M5Stack UNIT CO2 Specifications: Sensirion SCD40 sensor CO2 Measurement range – 400 ~ 2000 ppm CO2 Sampling accuracy – ±(50 ppm + 5% of reading) Temperature range – -10 – 60°C with 0.8°C accuracy Humidity range – 0 – 95% RH […]
myBuddy 280 dual arm robot features Raspberry Pi 4 SBC and ESP32 controllers
Elephants Robotics myBuddy 280, aka myBuddy 280 Pi, is a dual-arm collaborative robot for education with a 7-inch display powered by Raspberry Pi 4 SBC, and also features three ESP32-based M5Stack core modules that help with the internal communication between the motors and the Raspberry Pi board. It builds upon the earlier myCobot 280 Pi robot with a single arm, with the same 280mm working range, but the new robot offers two arms, and a total of 13 degrees of freedom (DoF). The robot is also equipped with two 2MP HD cameras for computer vision, a standard 3.3V expansion I/O interface, a LEGO expansion interface, and can be fitted with a variety of adapters such as suction pumps, grippers, little hands (see below), etc… myBuddy 280 specifications: SBC – Raspberry Pi 4 (2GB or 4GB RAM) single board computer to control the display and communicate with the ESP32 modules IoT […]
M5Stack ATOM Display Lite adds HDMI output to ESP32 module
M5Stack ATOM Display Lite is a kit based on GOWIN Gowin GW1NR-9C FPGA and LT8618SX RGB to HDMI chip designed to add HDMI output up to 720p to the company’s ESP32-based M5Stack ATOM Lite module. The ATOM Lite sees the ATOM Display Lite kit as an SPI display, but the solution outputs the data to an HDMI monitor or TV with up to 1280×720 resolution and can be used for information display, menu board, and more. ATOM Display Lite specifications: Wireless IoT modules – M5Stack ATOM Lite ESP32-PICO-D4 based module with 240MHz dual-core CPU, 520KB SRAM, 4MB flash, Wi-Fi 4 and Bluetooth connectivity FPGA – Gowin GW1NR-9C (PDF datasheet) FPGA with 8,640 LUTs used to simulate SPI TFT-LCD data output, HDMI bridge – Lontium Semi LT8618SX RGB to HDMI chip with 24-bit color depth up to 1280×720 output @ 60 fps (optimized frame rate up to 12 ~ 16FPS) Misc- […]