Principal crítica positiva para Placa de desenvolvimento, display OLED em Banggood Brazil|Fazer compras Brasil

2pcs LILYGO® TTGO LORA32 868 MHz ESP32 LoRa OLED 0,96 polegadas Blue Display bluetooth WIFI ESP-32 Módulo de placa de desenvolvimento com Antena

23% OFF 2pcs LILYGO® TTGO LORA32 868 MHz ESP32 LoRa OLED 0,96 polegadas Blue Display bluetooth WIFI ESP-32 Módulo de placa de desenvolvimento com Antena US$45.99 US$59.99 View It

Geral:

vidas66 26/09/2020

Good LoRa transmitter and receiver. The product arrived fast enough. I haven't tested the transmission distance yet. An excellent salesman.

Comentários (1)

Enviar

BG381752505 Iwrite complete review in which I described that these 868MHz modules are factory defective because they did not pack the output filter properly. 1 capacitor is wrong (they put 33pF instead of 3.3pF) and the filter instead of being at 868MHz it is at 277MHz. The result is an output power of just 3dbm (1.8mW) and an extremely short range! By replacing the capacitor with another correct value the output power increases to 19dbm (80mW).
I documented everything nicely, the scheme, pictures, measurements, but ...
Resposta 08/04/2021

Enviar

Sobre crachás

Os crachás estão relacionados à comunidade e os usuários ganham crachás criando conteúdo de qualidade, completando missões ou participando de atividades especiais. Pessoas específicas também terão seu crachá exclusivo.

Crachá do CEO

O Distintivo do CEO pertence apenas ao chefe da Banggood.

Os crachás que pode ganhar está chegando em breve

About Badges

Badges are related to the community, and users earn badges by creating quality content, completing missions, or by participating in special activities.

Helpful Badges

The Badge is awarded to users who are subscribed to the Invite Answer email and signifies their gratitude to help others. The badge appearance upgrades as the user helps more people.

You are the expert,can you help?

We sincerely invite you to subscribe to the Invite Answer email!

If you subscribe, we will invite you via email to answer questions people have about products. By subscribing you'll also earn the "Helpful Badge"! You can unsubscribe at any time on the privacy settings page.

Help others and be happier!

Thank you! Your answer will help ###name### and ###num### other people!

Subscribe to "Invite Answer" emails and use your knowledge to help more people with product questions. By subscribing you'll also earn the "Helpful Badge"!

Sobre crachás

Crachá do CEO

O Distintivo do CEO pertence apenas ao chefe da Banggood.

Os crachás que pode ganhar está chegando em breve

About Badges

Badges are related to the community, and users earn badges by creating quality content, completing missions, or by participating in special activities.

Helpful Badges

The Badge is awarded to users who are subscribed to the Invite Answer email and signifies their gratitude to help others. The badge appearance upgrades as the user helps more people.

You are the expert,can you help?

We sincerely invite you to subscribe to the Invite Answer email!

Help others and be happier!

Thank you! Your answer will help ###name### and ###num### other people!

Subscribe to "Invite Answer" emails and use your knowledge to help more people with product questions. By subscribing you'll also earn the "Helpful Badge"!

Loja todas as categorias

Sobre crachás

About Badges

Helpful Badges

You are the expert,can you help?

Sobre crachás

About Badges

Helpful Badges

You are the expert,can you help?