Good products, delayed a little but satisfied.

estan bien los productos, demoró un poco pero satisfecho.

Good products, delayed a little but satisfied.

Paid USD 1.53 - a total bargain as postage included. Ordered 02-04-2018 delivered to my UK address 13-04-2018 (11 days order to receipt). Module has 6 pins labelled with board printing on underside as follows: 1. 5V 2. VCC 3. 3V3 4. TXD 5. RXD 6. GND A shorting jumper was supplied with the module - but as supplied it was shorting pins 4 (TXD) and 5 (RXD). I note that the module shown in the main description photo shows the jumper shorting pins 2 (VCC) and 3 (3V3). I assume that the position of the shorting jumper is used to change between 3.3V and 5V operation. The entire board is coated with a transparent heat shrink sleeve giving the board a certain level of insulation/protection from external entities. I have yet to power up this module and put it to work (reflashing Sonoff modules with Tasmota firmware) - but at present confidence level is high!

Paid USD 1.53 - a total bargain as postage included. Ordered 02-04-2018 delivered to my UK address 13-04-2018 (11 days order to receipt). Module has 6 pins labelled with board printing on underside as follows: 1. 5V 2. VCC 3. 3V3 4. TXD 5. RXD 6. GND A shorting jumper was supplied with the module - but as supplied it was shorting pins 4 (TXD) and 5 (RXD). I note that the module shown in the main description photo shows the jumper shorting pins 2 (VCC) and 3 (3V3). I assume that the position of the shorting jumper is used to change between 3.3V and 5V operation. The entire board is coated with a transparent heat shrink sleeve giving the board a certain level of insulation/protection from external entities. I have yet to power up this module and put it to work (reflashing Sonoff modules with Tasmota firmware) - but at present confidence level is high!

Paid USD 1.53 - a total bargain as postage included. Ordered 02-04-2018 delivered to my UK address 13-04-2018 (11 days order to receipt). Module has 6 pins labelled with board printing on underside as follows: 1. 5V 2. VCC 3. 3V3 4. TXD 5. RXD 6. GND A shorting jumper was supplied with the module - but as supplied it was shorting pins 4 (TXD) and 5 (RXD). I note that the module shown in the main description photo shows the jumper shorting pins 2 (VCC) and 3 (3V3). I assume that the position of the shorting jumper is used to change between 3.3V and 5V operation. The entire board is coated with a transparent heat shrink sleeve giving the board a certain level of insulation/protection from external entities. I have yet to power up this module and put it to work (reflashing Sonoff modules with Tasmota firmware) - but at present confidence level is high!

Good product. Works well. Very useful the possibility to choose the signal to 3.3 or 5 V

Buon prodotto. Funziona bene. Molto utile la possibilità di scegliere il segnale a 3,3 o a 5 V

Good product. Works well. Very useful the possibility to choose the signal to 3.3 or 5 V

because I have this little gadget now I don't have to butcher my Arduino nano anymore for communicating to the devices, another nice thing is that this board already has two voltages 3.3V & 5V built in that you can select with a jumper so I don't need the voltage shifter board in between. This saves me a lot of hassle. I tested it of course and it works fine.

because I have this little gadget now I don't have to butcher my Arduino nano anymore for communicating to the devices, another nice thing is that this board already has two voltages 3.3V & 5V built in that you can select with a jumper so I don't need the voltage shifter board in between. This saves me a lot of hassle. I tested it of course and it works fine.

because I have this little gadget now I don't have to butcher my Arduino nano anymore for communicating to the devices, another nice thing is that this board already has two voltages 3.3V & 5V built in that you can select with a jumper so I don't need the voltage shifter board in between. This saves me a lot of hassle. I tested it of course and it works fine.

Working well. Good product for the price.

Working well. Good product for the price.

Working well. Good product for the price.

Kleines Gerät mit viel Leistung. Ist mit Windows 10 kompatibel und läuft sogar mit einen USB 3 Port gut zusammen.

Kleines Gerät mit viel Leistung. Ist mit Windows 10 kompatibel und läuft sogar mit einen USB 3 Port gut zusammen.

Kleines Gerät mit viel Leistung. Ist mit Windows 10 kompatibel und läuft sogar mit einen USB 3 Port gut zusammen.

The device has arrived very soon. It works very well

The device has arrived very soon. It works very well

The device has arrived very soon. It works very well

I did not need to install a driver for windows 11 computer automatically identify the card. I will use the card for my microprocessor experiments and programming and for thesw kind of job CH340G well known car for serial communication.

I did not need to install a driver for windows 11 computer automatically identify the card. I will use the card for my microprocessor experiments and programming and for thesw kind of job CH340G well known car for serial communication.

I did not need to install a driver for windows 11 computer automatically identify the card. I will use the card for my microprocessor experiments and programming and for thesw kind of job CH340G well known car for serial communication.

good thank you

good thank you

good thank you

100% working. Good price and fast delivery.

100% working. Good price and fast delivery.

100% working. Good price and fast delivery.