Heltec
Heltec Mesh Node T114 with optional 1.14 inch TFT display
Pickup currently unavailable at 2251 NW 41st Street
Mesh Node T114 is a Low Power Consumption development board based on nRF52840 and SX1262, supports LoRa and Bluetooth 5.0 with integrated various power interfaces (5V USB, lithium battery and solar panel) optional 1.14 inch TFT display, and has powerful long-distance communication capabilities, scalability, and low power design.
Non-GPS version with Meshtastic firmware. GPS version available soon.
With Heltec nRF52 development environment and libraries. you can use it for LoRa/LoRaWAN development work, and also use it to run some open source projects, such as Meshtastic.
Main Features
- MCU nRF52840 (Bluetooth), LoRa chipset SX1262.
- Powerful display function (optional), onboard 1.14 inch TFT-LCD display contains 135(H)RGB x240(V) dots and can display up to 262k colors.
- Low power consumption, 11 uA in deep sleep.
- Operation condition: -20 ~ 70℃, 90%RH(No condensing).
- Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures.
- Compatible with Arduino, we provide development frameworks and libraries.
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Various Interfaces: 1.25*2P LiPo connector, 1.25*2P Solar panel connector, 1.25*8P GNSS module connector, which greatly increase the extensibility of the board.
Specifications
Pin Map
Product Inclusion
| Mesh Node T114 | x1 |
| LoRa Antenna | x1 |
| SH1.25×2 Battery Connector | x2 |
| 2.54 *13 Header Pin | x2 |
| L76K GNSS (Available when GPS selected) | x1 |
| Protect Shell and Transfer LoRa antenna (Available when Shell selected) | x1 |
Docs & Resource
- [Docs] — User Manual
- [Resource] —Heltec nRF52 framework and Lib
- [Resource] —SnapEmu IoT Platform
- [Attachment] — Schematic diagram
- [Attachment] — Datasheet
- [Attachment] — TFT-LCD Datasheet
- [Resource] — Related Resources
Dev board return policy
Development boards are specialty items that generally cannot be resold on return, especially if the firmware has been flashed. Defective boards can be replaced or returned for refund within 30 days of purchase. Non-defective boards can be returned in the same time frame if in like-new condition with a 20 percent restocking fee applied. If the board has had altered firmware or became bricked due to a non-standard firmware flash, the board may not be eligible for return.
Sales tax is required in many states and will be added at checkout if applicable to your delivery state. Tax exempt forms can be sent to our support department.
Shipping & Returns
We are in Florida and ship to: USA, Australia, Austria, Canada, France, Germany, Israel, Netherlands, the United Kingdom, and other countries (see full list in cart).
Local pickup available in Gainesville, FL
Expedited shipping orders placed before 3PM EST weekdays will ship that day. Standard shipping orders ship within 1 business day.
Sales tax: shipments shipped to states in which we are registered to collect tax will have appropriate tax added at checkout. Tax exempt forms can be sent to our support staff who can activate exemption status.
Lost packages and insurance
International Shipping:
Shipping options are visible in cart by using the shipping estimator. Transit times posted are estimates. International packages are subject to customs holds and duty payment may be required by your government on delivery. The cost of duty is not reimbursable. Internatonal shipping charges are not refundable in the event of a return.
Returns
See item description for product specific return policies, and return policies vary by item.
Bulk/High Value Order Returns
Due to the labor required to package and ship bulk orders, as well as cost and stock issues involved in replenishing items, bulk orders of 5 pieces or more are not returnable unless the equipment is defective or mis-advertised, or a return period is prenegotiated. For non-defective returns over $500, a restocking fee may be deducted from the refund to cover bank or card processing fees.
Backorder/Preorder
Items on backorder or preorder will ship as estimated on the item page. You can cancel an order any time up until shipment. Orders with expedited shipping will arrive in the advertised time after the order ships, not after the order is placed.
Cancellations
If you want to cancel an order, please email or call us at (352) 372-9902. If your item has not been shipped, we will cancel the order and provide a full refund.
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