Description The LILYGO T-Echo Lite Kit is a compact nRF52840 LoRa development kit with an SX1262 LoRa transceiver, 1.22 inch SPI e-paper display, TCA8418 keyboard support, audio, vibration motor, and optional L76K GNSS positioning. The kit is available as 830-945MHz [K279], 400-520MHz [K279-01], or Keyboard Shield Only [H792]. This T-Echo Lite Kit is designed for low-power LoRa messaging, portable mesh nodes, GNSS-enabled prototypes, and handheld wireless user interfaces. It is useful when a project needs nRF52840 Bluetooth 5, Thread, ANT, LoRa, e-paper status display, and tactile keyboard control in one small hardware platform. Features nRF52840 MCU with 1MB flash and 256kB RAM for low-power wireless firmware. SX1262 LoRa transceiver for long-range, low-power communication. Two LoRa band options: 830-945MHz [K279] and 400-520MHz [K279-01]. 1.22 inch SPI e-paper display with 176 x 192 resolution. TCA8418 keyboard, audio function, and vibration motor for handheld interaction. Optional L76K GNSS positioning support with GPS, GLONASS, BeiDou, and QZSS. Keyboard Shield Only [H792] option for customers who only need the shield accessory. Specifications Product Name LILYGO T-Echo Lite Kit OpenELAB SKUs LILYGO-K279, LILYGO-K279-01, LILYGO-H792 Official Variant SKUs K279, K279-01, H792 MCU NRF52840 Flash / RAM 1MB flash, 256kB RAM Programming Platform Arduino IDE, VS Code Wireless Connectivity Bluetooth 5, Thread, ANT; battery measurement control IO 0.31; ADC IO 0.2 New Functions TCA8418 keyboard, audio, motor LoRa Transceiver SX1262, long range, low power Support Bands 400-520MHz, 830-945MHz Display 1.22 inch SPI e-paper display, 176 x 192, GDEM0122T61 GNSS Module L76K multi-system positioning; GPS, GLONASS, BeiDou, QZSS; internal optional function Size 102 x 41 x 22mm Battery Charging 5V 500mA Official Product Weight 0.20kg for kit variants; shield weight estimated at 0.12kg Applications Portable LoRa mesh node and Meshtastic-style wireless projects. GNSS-enabled field prototypes with e-paper status display. Handheld IoT terminals with keyboard, audio, motor feedback, and low-power wireless control. Comparison and prototyping alongside related LILYGO LoRa hardware such as the LILYGO T-ECHO Meshtastic LoRa module. Product List For 830-945MHz [K279] or 400-520MHz [K279-01]: T-Echo Lite Kit x1, lanyard x1, antenna x1. For Keyboard Shield Only [H792]: T-Echo Lite Key Shield x1, lanyard x1, GPS antenna x1. Other Content Choose 830-945MHz [K279] or 400-520MHz [K279-01] according to the LoRa frequency range required by your local deployment. Select Keyboard Shield Only [H792] only when you need the shield accessory for a compatible T-Echo Lite setup. The LILYGO T-Echo Lite Kit combines LoRa, e-paper, keyboard input, audio feedback, motor feedback, and optional GNSS in a portable form factor for field and maker projects. The official pinmap helps confirm LoRa, e-paper, keyboard, audio, motor, and optional GNSS pin assignments on the LILYGO T-Echo Lite Kit.The official package-list image shows the included parts for the kit variants and the keyboard-shield variant.Resources Official LILYGO T-Echo Lite GitHub repository LILYGO GitHub support community FAQ What are the available T-Echo Lite Kit variants? The product has 830-945MHz [K279], 400-520MHz [K279-01], and Keyboard Shield Only [H792] options. Does the T-Echo Lite Kit include GNSS? The hardware supports optional L76K GNSS positioning with GPS, GLONASS, BeiDou, and QZSS according to the official specification. Which MCU does this LoRa kit use? The LILYGO T-Echo Lite Kit uses the Nordic nRF52840 with 1MB flash and 256kB RAM. Is H792 a complete T-Echo Lite Kit? No. LILYGO-H792 is the Keyboard Shield Only variant, not the full LoRa kit. What display is used? It uses a 1.22 inch SPI e-paper display with 176 x 192 resolution.
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