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DORJI

1,685 orders since Jun 06, 2013

Shenzhen, Guangdong, China

Ships from China.

Custom Work Available

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Wireless solution platform!

Overall Rating:

Review Breakdown

5
15 4
19 3
11 2
3 1
1

View All Reviews

Average Ratings

Product: (4.55)

Documentation: (3.57)

Shipping: (4.45)

Communication: (4.24)

All Reviews

Duane | March 4, 2020

Absolutely the best radios I've found for the price.

For 868MHz 915MHz 22dBm sx1262 UART TTL module

I have six of these now and they are the best LoRa units I have found at this price point.
Also they have unbelievable glitch free range and are fairly easy to set up.

I feel the only downside is that more Arduino example sketches would be helpful.

Excellent product at an excellent price equals a five star rating.

Sergey | June 26, 2017

everything is ok

For Semtech LoRa SX1278 Data Radio Modem DRF1278DM

Everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!
everything is ok!

Eka | Dec. 27, 2016

Still learning

For Semtech LoRa SX1278 Data Radio Modem DRF1278DM

Still learning how to use it. But it is work just fine. Packing is acceptable. It will be better to provide alternatives for the postal service.

Richard | July 21, 2016

Really Good Little Product

For 868MHz 915MHz SX1276 data radio modem DRF1276DM

Fantastic Little Product very impressed with it, no issues with the seller supplied as stated Richard Herdsy

Andrew | March 18, 2016

Simple Straight forward I2c &Rh and Temperature

For si7005Temperature & humidity sensor module DSTH01

Default 12 bit &Rh and 14 bit temperature easy to resolve and number crunch even using a himple 08M2 picaxe
4 resiters to tinker... one control and two read h and l byte registers
This module is easy to use picaxe basic math on to get high resolution result to a decimal place
~ Andrew

Vinayak | March 14, 2016

DRF1278 DM module

For Semtech LoRa SX1278 Data Radio Modem DRF1278DM

Received 2 DRF1278 DM modules with USB to UART converter board. The items were very well packed .
The documentation is very minimal & took some research to figure out how things work.
It will be better if they provide heat shield as provided on other modules.


Benjamin | Feb. 24, 2016

Good product

For 868MHz 915MHz SX1276 data radio modem DRF1276DM

Ordered 3, got them in time (France), all working perfectly well. In the first testings, using pre-set mode (max power and almost max sensitivity), got 500m range through several buildings until the signal gets blocked by the hill the receiver is on top.
Expect "high" latency when used with high sensitivity/low baudrate (1 to 2 sec at -135dB/0.5kbps).

The usb-serial module provided use a CP2104, which works perfectly with some softwares (like CoolTerm) but not at all with the c++ serial library QSerialPort and all Android apps I tested. FTDI works well in all conditions.

Marco | Feb. 11, 2016

Good but could be better

For si7005Temperature & humidity sensor module DSTH01

The sensor module works well and the measures provided by the IC are correct.
Somethings worth improving:
- you should provide a schematic of the module to know what components are on it. E.g. I had no clue if pull up resistors are present on the module and what is their value (they indeed are on the module and the value is 10k).
-most of the information provided in the datasheet are just a repetition of what already in the SI7005, so they are basically useless.

Ronald | Nov. 25, 2015

Excellent product, very cheap, shipped relatively fast

For High power ASK transmitter ASK modules--2 pairs

Very good product, used for wireless connection of programmable microchips; picaxe. There was no documentation included, but that's no problem. If you order these, you know how they work, and the manufacturer's webside has all information and datasheets available.
The products were received in perfect condition and they work very well. And they were very inexpensive ! 6 dollars for two transmitters and two receivers, and hardly any costs of shipping: perfect !
Thanks.

Torben | Sept. 18, 2015

Using 3 transmitters, 2 receivers and 4 x tr/rx

For High power ASK transmitter ASK modules--2 pairs

Using them in 4 feelers (tx/rx) that communicate with a central system that controls water flow in 4 channels: 2 in front of the house and 2 in the back of the house. The second transmitter in the central system controls the system. Review Image

Steve | Oct. 17, 2014

Great little transmitter/receivers

For High power ASK transmitter ASK modules--2 pairs

Bought these for use with Picaxe processors. They work like a dream - even with a simple wire antenna I got >500m range with clear line of sight.
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