Heltec Wireless Paper

Name: Heltec Wireless Paper
Brand: Heltec Automation
Price: 16 USD

Official Active

ESP32-S3FN8 + SX1262 E-Ink development board with a 2.13-inch black-and-white display. USB-C power/programming and SH1.25 battery connector; compatible with Meshtastic/MeshCore.

~$16 approx (2026-06)

Product page ↗ Datasheet ↗

References: mesh-sn.de ↗

MCU: ESP32-S3
Radio: SX1262
Display: 2.13″ E-Paper
GPS: None
Battery: External
Connectivity: USB, BLE, Wi-Fi

Roles

CompanionRepeaterRoom ServerStandalone Ui

Transports

bleusbwifi

Variants

Purchasable options for this device

Revision	Variant	Band	SKU
—	433MHz	EU433 / CN	ZC-194-2-433
—	470~510MHz	CN470	ZC-194-2-470
—	863~870MHz	EU868	ZC-195-2-868
—	902~928MHz	US915 / AU915	ZC-195-2-915

Hardware

Radio

Technology: LORA
Chip: Semtech SX1262 ↗
Bands: EU433 / CN CN470 EU868 US915 / AU915
TX power: 21 dBm
TX efficiency: 0.59 mW/mA
Antenna: IPEX-1.0

Processor

Family: Espressif ESP32 series ↗
Model: Espressif ESP32-S3 ↗
Architecture: Xtensa LX
Flash: 8 MB
RAM: 512 KB

Display

Type: E-Paper
Size: 2.13″
Resolution: 250 × 122
Colors: Monochrome

Battery

Battery: External connector
Chemistry: LiPo
Built-in: No
Charging: Yes
Connector: SH1.25-2

Power

Power draw (idle): 0.02 mA
Power draw (TX): 215 mA

Physical

LEDs: White status LED
Dimensions: 88 × 88 × 25 mm
Board area: 77.4 cm²
Board volume: 193.6 cm³
Weight: 60 g
Shell: None
Operating temp: 0 to 50 °C

Connectivity

USB: USB-C
USB modes: Power, Serial, Flashing
Bluetooth: BLE 5.0
Wi-Fi: 802.11 b/g/n

Details

Kind: Dev Board
Lifecycle: Active
Family: heltec-wireless-paper
Firmware support: 4
Catalog completeness: 92 %
Also known as: Wireless Paper

Firmware support

Firmware	Type	Target	Status
MeshCore (Official)	Official	heltec_wireless_paper	✓ Supported
Meshcomod	Fork	—	✓ Supported
MeshCore Low-Power	Fork	—	✓ Supported
MeshCoreNG	Fork	heltec_wireless_paper	✓ Supported