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Ikoka Handheld

ndoo (Community)

868 MHz 915 MHz SX1262 nRF52840 22 dBm
DIY Modules Handheld

Open-source DIY handheld device by community developer ndoo (Singapore), based on the Seeed XIAO nRF52840 and EBYTE E22-900M22S LoRa module. Enhanced successor to the Ikoka Nano with a socketed XIAO board (interchangeable depending on MCU requirements), 0.96'' OLED display (SSD1306), and LiPo battery. LoRa pins are identical to those of the officially supported Seeed XIAO nRF52840 kit. MeshCore Companion firmware version 1.11.0 or higher. All KiCad files are available as open source on GitHub.

Hardware Specifications

MCU

nRF52840

RAM

256 KB

Flash

1 MB

Display

OLED (0.96'' 128x64)

Button Count

2

Has LEDs

true

Weight

20 g

Dimensions

80 x 35 x 15

LoRa Specifications

LoRa Chip

SX1262

Frequency Band

868 MHz, 915 MHz

Max. TX Power

22 dBm

Antenna Type

Integrierte PCB-Antenne (EBYTE E22)

Typical Range

12 km

Connectivity

WiFi

false

Bluetooth

true

GPS

false

Power

USB Type

USB-C

Battery Connector

LiPo-Pouch extern (JST PicoBlade 1.25mm)

Solar Support

false

Power Consumption (Idle)

6 mA

Power Consumption (TX)

85 mA

Firmware Support

meshcore-dev/MeshCore Official
BLE Companion v1.16.0 30.11.2025 Release

Release notes: https://blog.meshcore.io/2026/06/06/release-1-16-0

USB Companion v1.16.0 30.11.2025 Release

Release notes: https://blog.meshcore.io/2026/06/06/release-1-16-0

MichTronics/MeshCoreNG Community
BLE Companion v1.0.1 17.05.2026 Release

Full Changelog: https://github.com/MichTronics/MeshCoreNG/compare/bridge-tcp-v1.0.5...companion-v1.0.1

USB Companion v1.0.1 17.05.2026 Release

Full Changelog: https://github.com/MichTronics/MeshCoreNG/compare/bridge-tcp-v1.0.5...companion-v1.0.1

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