US $4.27 incl. shipping 
$6.99 with free shipping. Module appears to be HPDTek HPD13A.
Breadboard friendly, 5V-safe, with voltage regulator and level shifter.
(Less low-power friendly than without regulator and level shifter but 5V friendly.)
.
With pads for mounting an IPEX/U.FL antenna connector.
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Relatively expensive for AliExpress shipping and only a small package.
(e.g. LilyGo charges +/- €3.75 some others even less).
6,28 from China. ? If I would send it to you in NL I pay more … but I think the product price could be 25% lower 
With ESP32-WROVER module with 4MB Flash and 4MB PSRAM, audio, microSD slot and 19 WS2812B RGB leds. An additional OLED display in the center of the LED’s (and evenly spread LED’s) would make it complete.
On LilyGo GitHub is an example for this device that uses an Android phone (via BT) as UI for the device.
It has 19 RGB LED’s, something for @Charles maybe? 
Oh and thats listing for 20-40 day not the 12-15 And they charge another €6,28 shipping costs for a €4,34 LoRa whip antenna (not included).
(A small wire coil antenna is included.)
Sent RAK a message through AliExpress they often “adjust” shipping…
Actually I rarely pay the listed prices of anything on Ali… doesn’t hurt to ask and sellers actually like making the contact.
How in such case do you make the correct adjusted payment?
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Dual-pitch prototyping PCB shield for Arduino Uno (and compatibles)
Can be used for adding LoRa modules with 2mm pitch (RFM95W, SX1276, HPD13A) and components with regular 2.54mm pitch (OLED display, sensors, buttons, etc.).
For a version with standard male headers (cheaper) check here.
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You go through the usual “Buy” but then chose “Other payment methods” in the payment screen and press “Confirm & Pay”.
The order will then appear as confirmed but waiting for payment the seller is then able to adjust the price. Once they do you can pay as normal (all payment methods work)
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My WaveShare 1.54" e-Paper Module arrived today (ordered via AliExpress).
Super fast delivery: 8 days. Perfect packaging. Cable, brass hex spacers and screws included.
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