Description M5Stack Cardputer Mesh Kit for Meshtastic (M5-K152) is a ready-to-use Meshtastic handheld built around Cardputer-Adv and the Cap LoRa-1262 expansion module. It combines an ESP32-S3 controller, SX1262 LoRa, GNSS positioning, a built-in keyboard, screen, battery, speaker, microphone, and expansion interfaces in one compact platform, so you can start building or deploying a portable LoRa Meshtastic node much faster. This kit is especially suitable for users who want a more integrated Meshtastic device instead of building from separate boards. The combination of Cardputer, LoRa, and GPS/GNSS makes it a practical option for off-grid messaging, portable field communication, position-aware Meshtastic nodes, and rapid prototyping for M5Stack and ESP32-S3 projects. If you want to start with the Meshtastic ecosystem right away, this M5Stack Cardputer Mesh Kit gives you the essential hardware in one package. If you need to reflash or update firmware later, you can also use the Meshtastic Web Flasher. Features Meshtastic-ready handheld kit based on M5Stack Cardputer-Adv and Cap LoRa-1262. ESP32-S3FN8 dual-core controller for M5Stack, LoRa, and embedded development. SX1262 LoRa radio with 868 to 923 MHz support, up to +22 dBm transmit power, and receive sensitivity down to -147 dBm. Integrated GNSS support with GPS / QZSS / BD2 / BD3 / GAL / GLO for position-aware Meshtastic deployments. 1.14-inch 240 x 135 display and 56-key keyboard for a true standalone Cardputer experience. 1750mAh battery, speaker, microphone, IR emitter, and microSD storage expansion for mobile Meshtastic usage. HY2.0-4P and EXT 2.54-14P expansion interfaces for sensors, prototyping, and hardware customization. Supports Arduino, UiFlow2, ESP-IDF, and PlatformIO. Specifications Specification Parameter SoC ESP32-S3FN8, dual-core Xtensa LX7, up to 240MHz Flash 8MB External Storage microSD Display ST7789V2, 1.14 inch, 240 x 135 Keyboard 56 keys (4 x 14), 160gf actuation force Expansion Interface HY2.0-4P + EXT 2.54-14P IR 1 x infrared emitter Audio Codec ES8311 Speaker NS4150B amplifier + 8 ohm / 1W speaker Microphone MEMS microphone, SNR 65dB IMU BMI270 Battery Capacity 1750mAh Operating Temperature 0 to 40°C Operating Current DC 4.2V @ 120.2mA LoRa Module SX1262 LoRa Frequency Range 868 to 923 MHz LoRa Programmable Bit Rate Up to 300kbps LoRa Antenna 108 x 9.3mm, RP-SMA female, 3dBi LoRa Transmit Power +22dBm LoRa Receive Sensitivity -147dBm (low data rate mode) LoRa Operating Current DC 5V @ 163.4mA Supported Modulation FSK / GFSK / MSK / LoRa / OOK GPS Module ATGM336H-6N @ AT6668 GPS Communication Interface UART, default 115200bps @ 8N1 Supported GNSS Systems GPS / QZSS / BD2 / BD3 / GAL / GLO GPS Channels 50 channels GPS Positioning Accuracy < 1.5m (CEP50) GPS Update Rate Up to 10Hz GPS Time to First Fix Cold start 23s, hot start 1s Product Size Cardputer-Adv: 84.0 x 54.0 x 19.6mmCap LoRa-1262: 84.0 x 24.0 x 15.2mm Product Weight 77.2g Package Size 103.0 x 90.0 x 25.0mm Gross Weight 127.2g Applications Meshtastic handheld messaging for off-grid communication and portable node deployment. LoRa GPS tracker projects where GNSS positioning matters. Field operations, outdoor events, camping, hiking, emergency preparedness, and remote coordination. M5Stack and ESP32-S3 rapid prototyping for portable communication terminals. Learning and experimenting with Meshtastic, LoRa, embedded UI, and mobile hardware interaction. Standalone portable projects that benefit from a screen, keyboard, battery, audio, and radio in one compact device. Product List 1 x Cardputer-Adv (Green Back Shell Version) 1 x Cap LoRa-1262 1 x LoRa Rubber Duck Antenna (RP-SMA Connector) 2 x M2 x 4mm cap head machine screw 1 x Hex Key L-Shape 1.5mm (for M2 screw) 1 x Safety Warning Sticker Other Content Assembly: The Cap LoRa-1262 connects to the Cardputer-Adv through the EXT 2.54-14P interface. After attaching the expansion module, tighten the included screws and install the RP-SMA antenna before using LoRa communication. Charging Note: Switch the power switch to ON before charging. Download Mode: Set the side power switch to OFF, hold the G0 key, then power on the device. Release the key after boot to enter download mode. LoRa Antenna Note: Before using Meshtastic or other LoRa applications, make sure the RP-SMA antenna is securely installed. When not in use, removing the antenna can help protect the connector. Cardputer-Adv EXT 2.54-14P Pin Map Left Function GPIO Pin Pin GPIO / Power Right Function RESET G3 1 2 5VIN INT G4 3 4 GND BUSY G6 5 6 5VOUT SCK G40 7 8 G8 I2C_SDA MOSI G14 9 10 G9 I2C_SCL MISO G39 11 12 G13 UART_RX CS G5 13 14 G15 UART_TX This pin map is useful if you want to expand the M5Stack Cardputer beyond standard Meshtastic use and build custom ESP32-S3 or LoRa accessories. Resources M5Stack Cardputer Mesh Kit official documentation Cardputer-Adv schematic PDF Cap LoRa-1262 schematic PDF Cardputer-Adv structure files on GitHub M5Cardputer GitHub repository Cap LoRa-1262 UiFlow / MicroPython reference Meshtastic official website Meshtastic firmware flashing guide Meshtastic Web Flasher OpenELAB Meshtastic page OpenELAB article: Meshtastic positioning and location settings OpenELAB article: Meshtastic LoRa configuration OpenELAB article: What Meshtastic is and what it can do OpenELAB article: M5Stack Cardputer overview FAQ What makes M5-K152 a good Meshtastic device?This kit combines ESP32-S3, SX1262 LoRa, GNSS, a display, keyboard, battery, and expansion interfaces in one compact M5Stack Cardputer form factor. That makes it easier to deploy a portable Meshtastic handheld without piecing together separate radio, controller, and UI hardware. Does this M5Stack Cardputer Mesh Kit support GPS or GNSS?Yes. The official specification lists the ATGM336H-6N GNSS module and support for GPS / QZSS / BD2 / BD3 / GAL / GLO, which is helpful for location-aware Meshtastic setups. What is the difference between M5-K152 and the standard M5Stack Cardputer?The M5Stack Cardputer v1.1 is a compact card computer platform. M5-K152 goes further by adding the Cap LoRa-1262 radio expansion, antenna, and Meshtastic-friendly hardware stack, so it is a much better choice if your priority is LoRa mesh communication. What is the difference between M5-K152 and Cardputer-Adv by itself?The Cardputer-Adv gives you the ESP32-S3 handheld platform, but M5-K152 adds the SX1262 LoRa and GNSS hardware needed for a more complete Meshtastic build. What if I want to compare more Meshtastic hardware before buying?You can also browse the OpenELAB Meshtastic page for other LoRa and Meshtastic options, or read MeshCore vs Meshtastic if you are still deciding which mesh ecosystem fits your project better.
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