Heltec
Heltec Vision Master T190 ESP32 + LoRa development board with 1.9-inch TFT
Pickup available at 2251 NW 41st Street
Usually ready in 1 hour
Vision Master T190 (HT-VMT190) is a development kit with ESP32-S3 and US 915 Mhz LoRa Module. The onboard 1.9-inch TFT-LCD display contains 170 (RGB)X320 dots and can display up to 262k colors.
Working with the sample programs and development tools we provide, users can operate the display via Bluetooth, Wi-Fi and LoRa. It also supports daily entry-level programming, and runs open source projects like Meshtastic (comes with Meshtastic installed).
Main Features
- ESP32-S3R8 MCU, support Wi-Fi and BLE.
- LoRa module is optional, compatible with Mashtastic.
- Low power consumption, 18uA in deep sleep.
- Onboard SH1.25-2 battery interface, integrated lithium battery management system (charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching).
- Powerful display function, onboard 1.9-inch TFT-LCD display contains 170 (RGB)X320 dots and can display up to 262k colors.
- Storage condition: -30 ~ 70℃, ≤45%RH.
- Optimal operating condition：-20~60℃, 55±10%RH.
- SH2.0-4P sensor interface is compatible with QuickLink series sensors.
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Compatible with Arduino, we provide development frameworks and libraries.
Specifications
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Pin Map
Dimension
Highly extensible
FAQ
The default configuration of T190 board is PCB antenna, and the 2.4GHz antenna is a spring antenna. There is an additional interface on the board for 2.4GHz wireless signals. When connecting an external antenna, the resistor needs to be rotated 90 degrees to the left.
Docs & Resource
- [Docs] — User Manual
- [Resource] — Heltec ESP (ESP32&ESP8266) framework
- [Resource] — NM Miner Project
- [Attachment] — Heltec ESP32 library
- [Attachment] — NM Miner Project
- [Attachment] — Datasheet
- [Attachment] — E-Ink Datasheet
- [Resource] — Related Resource
RAK LILYGO Heltec & Developer Board Warranty Policy – Rokland
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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