# Esp32 C2 Published articles for Esp32 C2. This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Optimizing RAM Usage on ESP32-C2 DevFeed: [Optimizing RAM Usage on ESP32-C2]() Original publisher: [Read original article]() Author: John Lee Published: 2025-11-28T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [ESP-IDF](), [Optimization]() Tags: [ble](), [blog](), [esp-idf](), [esp32](), [esp32-c2](), [how-to](), [memory-management](), [memory-optimization](), [optimization](), [practitioner](), [wi-fi]() ### AI overview This article explains how to optimize RAM usage on the ESP32-C2 with ESP-IDF v5.5. It describes the chip's memory layout, methods for measuring memory consumption, and configuration changes that can free more than 100 KB of additional memory in suitable applications. ### Source excerpt ESP32-C2 has 256 KB of physical RAM, but with default configurations, only 24 KB remains free in typical Wi-Fi + BLE scenarios. This article explores comprehensive memory optimization strategies that can free up over 100 KB of RAM, making complex applications viable on this cost-effective chip. ## ESP32-C2 (ESP8684) Upgrade: More Memory, Storage, and Performance DevFeed: [ESP32-C2 (ESP8684) Upgrade: More Memory, Storage, and Performance]() Original publisher: [Read original article]() Author: John Lee Published: 2025-03-07T10:38:28Z Content type: release Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [ESP-IDF](), [Espressif](), [Hardware]() Tags: [blog](), [esp-idf](), [esp32](), [esp32-c2](), [espressif](), [logging](), [memory](), [ota](), [performance](), [storage](), [upgrade]() ### AI overview Espressif describes an ESP32-C2 (ESP8684) upgrade that adds memory and Flash storage and improves performance and efficiency. It recommends that developers and manufacturers update to the latest ESP-IDF minor version for compatibility and stability. ### Source excerpt To fully leverage the improved capabilities of the ESP32-C2, we recommend that all developers and manufacturers update to use the latest ESP-IDF minor version as soon as possible. Espressif has upgraded the ESP32-C2 (ESP8684) to enhance its performance and efficiency. This update provides additional memory and Flash storage, enabling developers to build more complex applications while ensuring long-term stability and support. ## Using ESP-BSP with DevKits DevFeed: [Using ESP-BSP with DevKits]() Original publisher: [Read original article]() Author: John Lee Published: 2024-09-27T00:00:00Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [Espressif](), [Development](), [m5stack](), [Filesystems]() Tags: [blog](), [bsp](), [development](), [devkit](), [display](), [driver](), [embedded-systems](), [esp32](), [esp32-c2](), [esp32-s2](), [esp32-s3](), [espressif](), [examples](), [gpio](), [how-to](), [i2c](), [lcd](), [led](), [m5stack](), [spi](), [spiffs]() ### AI overview This tutorial explains how to use Espressif's ESP-BSP with DevKits. It describes the Generic and DevKit BSP options, configurable buttons, LEDs, filesystems, displays, touch interfaces, and example projects. ### Source excerpt Introduction# The BSP (Board Support Package) from Espressif is ready to use package for selected boards (usually for Espressif's and M5Stack boards). This package contains main initialization functions for features, which the board contains. For example display and touch initialization, file system initialization, audio if available, LEDs and buttons. This is the easy way, how to start developing with your board. Except initialization functions, there are examples for selected board too. ## DIY Smart Electric Toothbrush using ESP32-C2 and RainMaker DevFeed: [DIY Smart Electric Toothbrush using ESP32-C2 and RainMaker]() Original publisher: [Read original article]() Author: John Lee Published: 2024-08-22T09:00:17Z Content type: tutorial Language: en Sources: [Blog on Developer Portal]() Topics: [ESP32](), [Esp32 C2](), [Esp Rainmaker](), [FIRST](), [Wi-Fi](), [Embedded Software Dev](), [USB]() Tags: [battery](), [blog](), [build](), [circuit](), [components](), [connectivity](), [data](), [devices](), [display](), [diy](), [esp](), [esp-rainmaker](), [esp32](), [esp32-c2](), [firmware](), [interface](), [lcd](), [motor](), [network](), [rainmaker](), [spi](), [toothbrush]() ### AI overview This article presents the ESP-Toothbrush, a smart electric toothbrush powered by Espressif's ESP32-C2. It describes the LCD, ultrasonic motor, buzzer, Wi-Fi and ESP-RainMaker integration, smartphone configuration, USB Type-C connectivity, firmware updates, charging, and supported power modes. ### Source excerpt Introduction# For most people, one of the first tasks of the day is toothbrushing. This task is usually done by a conventional nylon toothbrush, invented in 1938 but used in different forms and materials even before. Today, you can easily find electronic toothbrushes and some start toothbrushes that helps you to keep track how you are brushing your tooth. ## What's New with ESP ZeroCode DevFeed: [What's New with ESP ZeroCode]() Original publisher: [Read original article]() Author: John Lee Published: 2024-04-28T00:00:00Z Content type: release Language: en Sources: [Blog on Developer Portal]() Topics: [Matter](), [ESP32](), [Internet of things](), [MQTT]() Tags: [blog](), [esp32](), [esp32-c2](), [esp32-h2](), [espressif](), [firmware](), [interest](), [iot](), [launch](), [mqtt](), [ota](), [works-with-home-assistant](), [zero-code](), [zerocode]() ### AI overview Espressif reviews updates to ESP ZeroCode after eight months, reporting user activity, Matter-certified devices, expanded automated quality testing, new single-chip and two-chip solution types, and broader ecosystem partnerships. ### Source excerpt The Fastest Way to Launch Matter-enabled Products It's been about 8 months since we launched ESP ZeroCode. For all these months, continuous interest and customer activity has kept us busy. Let's look at some of the highlights of what's new with ESP ZeroCode. Customer Interest# Over 11,000 users across 125 countries have visited ESP ZeroCode, building various kinds of Matter-enabled products. Every week we get numerous queries and requests for samples or product-related queries. ## Espressif to Showcase ESP32-C2 and ESP32-C3 at GILE DevFeed: [Espressif to Showcase ESP32-C2 and ESP32-C3 at GILE]() Original publisher: [Read original article]() Author: John Lee Published: 2022-08-07T00:00:00Z Content type: news Language: en Sources: [Blog on Developer Portal]() Topics: [Espressif](), [ESP32](), [Esp32 C2](), [ESP32-C3](), [Esp Rainmaker](), [Matter](), [RISC-V](), [Amazon Web Services](), [Serverless]() Tags: [aws](), [blog](), [esp-rainmaker](), [esp32](), [esp32-c2](), [esp32-c3](), [espressif](), [instagram](), [matter](), [newsletter](), [rainmaker](), [serverless]() ### AI overview Espressif announces its participation in the Guangzhou International Lighting Exhibition from 3 to 6 August 2022, where it will showcase the ESP32-C2 and ESP32-C3 SoCs, ESP RainMaker, and a Matter solution for smart-lighting and connected-product development. ### Source excerpt Hi everyone, From 3 until 6 August 2022, Espressif is taking part in the Guangzhou International Lighting Exhibition (GILE), which is the most highly regarded platform for the LED and lighting industry, as it provides a unique chance for all industry players to communicate, cooperate and create valuable business opportunities. You can find Espressif's delegation in Zone B, Hall 10.2, booth D48. Please scan the QR code in the picture below, to register and get your ticket. ## Espressif reports ESP32-C2 production ramp-up and related April 2022 projects DevFeed: [Espressif reports ESP32-C2 production ramp-up and related April 2022 projects]() Original publisher: [Read original article]() Author: John Lee Published: 2022-05-01T00:00:00Z Content type: article Language: en Sources: [Blog on Developer Portal]() Topics: [Esp32 C2](), [ESP32](), [Bluetooth](), [Internet of things](), [Microcontroller](), [Wi-Fi](), [ESP-IDF](), [Esp Rainmaker](), [Security]() Tags: [blog](), [bluetooth](), [devices](), [esp-idf](), [esp-rainmaker](), [esp32](), [esp32-c2](), [instagram](), [iot](), [newsletter](), [security](), [wi-fi]() ### AI overview Espressif reports receiving production wafers for ESP32-C2, progressing verification and production ramp-up despite logistics problems during Shanghai's COVID-19 lockdown. The article also describes the chip's connectivity, IoT focus, security features, and related ESP32 projects. ### Source excerpt Hi everyone, As many of you may have already heard, Shanghai is currently undergoing a major lockdown due to COVID-19. In the midst of this lockdown, we received our production wafers of ESP32-C2, and proceeded with verification. Quarantine rules have caused us some logistics problems, but gradually we managed to find solutions and go ahead with ramping up the design and production of this chip. ## ESP32-C2: A Wi-Fi and BLE Chip for High-Volume IoT Applications DevFeed: [ESP32-C2: A Wi-Fi and BLE Chip for High-Volume IoT Applications]() Original publisher: [Read original article]() Author: John Lee Published: 2022-04-18T00:00:00Z Content type: article Language: en Sources: [Blog on Developer Portal]() Topics: [Esp32 C2](), [Internet of things](), [ESP-IDF](), [Flash Encryption](), [Secure Boot]() Tags: [blog](), [ceo-blog](), [esp-idf](), [esp32](), [esp32-c2](), [esp32-c6](), [espressif](), [flash-encryption](), [iot](), [secure-boot]() ### AI overview ESP32-C2 is a Wi-Fi and Bluetooth Low Energy chip designed for simple, high-volume, low-data-rate IoT applications. The article describes its compact package, ESP-IDF support, security features, and RF performance. ### Source excerpt As many would have heard, Shanghai is now undergoing a major lockdown and quarantine due to COVID-19. In the midst of this lockdown, we received our production wafers of ESP32-C2, and proceeded with the verifications. Due to the quarantine, we have faced some logistics problems, but slowly, we have improvised, worked out solutions and continue to move ahead with the ramp up of this product.