# Espressif's March 2021 newsletter introduces free circuit and PCB design reviews

DevFeed: [Espressif's March 2021 newsletter introduces free circuit and PCB design reviews](<https://devfeed.tech/articles/march-2021-13908.md>)

Original publisher: [Read original article](<https://developer.espressif.com/blog/march-2021/>)

Author: John Lee

Published: 2021-04-06T00:00:00Z

Content type: article

Language: en

Sources: [Blog on Developer Portal](<https://devfeed.tech/sources/blog-on-developer-portal.md>)

Topics: [Espressif](<https://devfeed.tech/topics/espressif.md>), [ESP32](<https://devfeed.tech/topics/esp32.md>), [ESP32-C3](<https://devfeed.tech/topics/esp32-c3.md>), [ESP8266](<https://devfeed.tech/topics/esp8266.md>), [Bluetooth](<https://devfeed.tech/topics/bluetooth.md>), [Wi-Fi](<https://devfeed.tech/topics/wi-fi.md>)

Tags: [blog](<https://devfeed.tech/tags/blog.md>), [bluetooth-le](<https://devfeed.tech/tags/bluetooth-le.md>), [development-board](<https://devfeed.tech/tags/development-board.md>), [esp32](<https://devfeed.tech/tags/esp32.md>), [esp32-c3](<https://devfeed.tech/tags/esp32-c3.md>), [esp8266](<https://devfeed.tech/tags/esp8266.md>), [espressif](<https://devfeed.tech/tags/espressif.md>), [monitor](<https://devfeed.tech/tags/monitor.md>), [newsletter](<https://devfeed.tech/tags/newsletter.md>), [sensors](<https://devfeed.tech/tags/sensors.md>), [tutorial](<https://devfeed.tech/tags/tutorial.md>), [wi-fi](<https://devfeed.tech/tags/wi-fi.md>)

## AI overview

Espressif's March 2021 newsletter announces free technical reviews of circuit schematics and PCB designs for products powered by its chips and modules. It also highlights the ESP32-C3-DevKitM-1, the NLC1242 data acquisition system, an ESP32 heart-rate monitoring tutorial, and an ESP8266-powered LED art project.

## Source excerpt

Hi everyone, Have you noticed the newest addition to our services? We are very excited about enriching our set of customer services with free-of-charge reviewing services for circuit diagrams and PCB designs of products powered by Espressif's chips and modules. We have added this to our existing customer services, in order to ensure the technical accuracy of Espressif-powered products and their conformity to our high-quality standards.